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</a>
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</li>
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<span class="md-ellipsis">
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Model Guide
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</span>
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</a>
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</li>
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<li class="md-nav__item md-nav__item--active md-nav__item--nested">
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<a href="./" class="md-nav__link md-nav__link--active">
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<span class="md-ellipsis">
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Embeddings
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</span>
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</a>
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<span class="md-nav__icon md-icon"></span>
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<ul class="md-nav__list" data-md-scrollfix>
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Configuration
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<span class="md-nav__icon md-icon"></span>
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ANN
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Cloud
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<li class="md-nav__item">
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<a href="configuration/database/" class="md-nav__link">
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<span class="md-ellipsis">
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Database
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</a>
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<li class="md-nav__item">
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<a href="configuration/general/" class="md-nav__link">
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<span class="md-ellipsis">
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General
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="configuration/graph/" class="md-nav__link">
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<span class="md-ellipsis">
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Graph
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="configuration/scoring/" class="md-nav__link">
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<span class="md-ellipsis">
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Scoring
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="configuration/vectors/" class="md-nav__link">
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<span class="md-ellipsis">
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Vectors
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item">
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<a href="format/" class="md-nav__link">
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<span class="md-ellipsis">
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Index Format
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="indexing/" class="md-nav__link">
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<span class="md-ellipsis">
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Index Guide
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="methods/" class="md-nav__link">
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Methods
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</a>
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<li class="md-nav__item">
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<a href="query/" class="md-nav__link">
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<span class="md-ellipsis">
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Query Guide
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</span>
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</a>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_7" >
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<div class="md-nav__link md-nav__container">
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<a href="../agent/" class="md-nav__link ">
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<span class="md-ellipsis">
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Agent
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</span>
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</a>
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<label class="md-nav__link " for="__nav_7" id="__nav_7_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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</div>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_7_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_7">
|
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<span class="md-nav__icon md-icon"></span>
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Agent
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../agent/configuration/" class="md-nav__link">
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<span class="md-ellipsis">
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Configuration
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</span>
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</a>
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<li class="md-nav__item">
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<a href="../agent/methods/" class="md-nav__link">
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<span class="md-ellipsis">
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Methods
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</span>
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</nav>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8" >
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<div class="md-nav__link md-nav__container">
|
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<a href="../pipeline/" class="md-nav__link ">
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<span class="md-ellipsis">
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Pipeline
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</span>
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</a>
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<label class="md-nav__link " for="__nav_8" id="__nav_8_label" tabindex="0">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
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|
|
</div>
|
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|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_8_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_8">
|
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<span class="md-nav__icon md-icon"></span>
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Pipeline
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_2" >
|
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|
|
<label class="md-nav__link" for="__nav_8_2" id="__nav_8_2_label" tabindex="0">
|
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<span class="md-ellipsis">
|
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Audio
|
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</span>
|
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|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_2_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_8_2">
|
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<span class="md-nav__icon md-icon"></span>
|
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|
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|
|
Audio
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../pipeline/audio/audiomixer/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Audio Mixer
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/audio/audiostream/" class="md-nav__link">
|
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|
<span class="md-ellipsis">
|
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|
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Audio Stream
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="../pipeline/audio/microphone/" class="md-nav__link">
|
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|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Microphone
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="../pipeline/audio/texttoaudio/" class="md-nav__link">
|
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|
|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Text To Audio
|
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/audio/texttospeech/" class="md-nav__link">
|
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|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
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|
Text To Speech
|
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="../pipeline/audio/transcription/" class="md-nav__link">
|
|
|
|
|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Transcription
|
|
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</span>
|
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_3" >
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<label class="md-nav__link" for="__nav_8_3" id="__nav_8_3_label" tabindex="0">
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<span class="md-ellipsis">
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Data
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</span>
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<span class="md-nav__icon md-icon"></span>
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</label>
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_3_label" aria-expanded="false">
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<label class="md-nav__title" for="__nav_8_3">
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<span class="md-nav__icon md-icon"></span>
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Data
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
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<a href="../pipeline/data/filetohtml/" class="md-nav__link">
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<span class="md-ellipsis">
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File To HTML
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/data/htmltomd/" class="md-nav__link">
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<span class="md-ellipsis">
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HTML To Markdown
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/data/segmentation/" class="md-nav__link">
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<span class="md-ellipsis">
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Segmentation
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/data/tabular/" class="md-nav__link">
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<span class="md-ellipsis">
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Tabular
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/data/textractor/" class="md-nav__link">
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<span class="md-ellipsis">
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Textractor
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/data/tokenizer/" class="md-nav__link">
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<span class="md-ellipsis">
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Tokenizer
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/data/urlretrieve/" class="md-nav__link">
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<span class="md-ellipsis">
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URL Retrieve
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_4" >
|
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<label class="md-nav__link" for="__nav_8_4" id="__nav_8_4_label" tabindex="0">
|
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<span class="md-ellipsis">
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Image
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</span>
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_4_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_8_4">
|
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<span class="md-nav__icon md-icon"></span>
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Image
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
|
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<a href="../pipeline/image/caption/" class="md-nav__link">
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<span class="md-ellipsis">
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Caption
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/image/imagehash/" class="md-nav__link">
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<span class="md-ellipsis">
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Image Hash
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/image/objects/" class="md-nav__link">
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<span class="md-ellipsis">
|
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Objects
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_5" >
|
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|
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<label class="md-nav__link" for="__nav_8_5" id="__nav_8_5_label" tabindex="0">
|
|
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|
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<span class="md-ellipsis">
|
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LLM
|
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</span>
|
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|
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|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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|
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_5_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_8_5">
|
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<span class="md-nav__icon md-icon"></span>
|
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LLM
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../pipeline/llm/llm/" class="md-nav__link">
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<span class="md-ellipsis">
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LLM
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/llm/rag/" class="md-nav__link">
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<span class="md-ellipsis">
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RAG
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_6" >
|
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|
|
<label class="md-nav__link" for="__nav_8_6" id="__nav_8_6_label" tabindex="0">
|
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<span class="md-ellipsis">
|
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Text
|
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</span>
|
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|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
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|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_6_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_8_6">
|
|
<span class="md-nav__icon md-icon"></span>
|
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|
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|
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Text
|
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../pipeline/text/entity/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Entity
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/text/labels/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
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Labels
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/text/reranker/" class="md-nav__link">
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<span class="md-ellipsis">
|
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Reranker
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/text/similarity/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
Similarity
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/text/summary/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
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|
Summary
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/text/translation/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Translation
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
|
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|
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|
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_8_7" >
|
|
|
|
|
|
<label class="md-nav__link" for="__nav_8_7" id="__nav_8_7_label" tabindex="0">
|
|
|
|
|
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|
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<span class="md-ellipsis">
|
|
|
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Train
|
|
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|
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</span>
|
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|
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|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
|
|
|
|
<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_8_7_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_8_7">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
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Train
|
|
|
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../pipeline/train/hfonnx/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
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HF ONNX
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/train/lemur/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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LEMUR Trainer
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../pipeline/train/mlonnx/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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ML ONNX
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</span>
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</a>
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</li>
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<li class="md-nav__item">
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<a href="../pipeline/train/trainer/" class="md-nav__link">
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<span class="md-ellipsis">
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Trainer
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</span>
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</a>
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</li>
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</ul>
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</nav>
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</li>
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</ul>
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9" >
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<div class="md-nav__link md-nav__container">
|
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<a href="../workflow/" class="md-nav__link ">
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<span class="md-ellipsis">
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Workflow
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</span>
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</a>
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<label class="md-nav__link " for="__nav_9" id="__nav_9_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
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</label>
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</div>
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<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_9_label" aria-expanded="false">
|
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<label class="md-nav__title" for="__nav_9">
|
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<span class="md-nav__icon md-icon"></span>
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Workflow
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</label>
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<ul class="md-nav__list" data-md-scrollfix>
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<li class="md-nav__item">
|
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<a href="../workflow/schedule/" class="md-nav__link">
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<span class="md-ellipsis">
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Schedule
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</span>
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</a>
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</li>
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<li class="md-nav__item md-nav__item--nested">
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<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_9_3" >
|
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<div class="md-nav__link md-nav__container">
|
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<a href="../workflow/task/" class="md-nav__link ">
|
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<span class="md-ellipsis">
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Tasks
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</span>
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</a>
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<label class="md-nav__link " for="__nav_9_3" id="__nav_9_3_label" tabindex="0">
|
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<span class="md-nav__icon md-icon"></span>
|
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</label>
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</div>
|
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<nav class="md-nav" data-md-level="2" aria-labelledby="__nav_9_3_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_9_3">
|
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<span class="md-nav__icon md-icon"></span>
|
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Tasks
|
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</label>
|
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<ul class="md-nav__list" data-md-scrollfix>
|
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<li class="md-nav__item">
|
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<a href="../workflow/task/console/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Console
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../workflow/task/export/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Export
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../workflow/task/file/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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File
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../workflow/task/image/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Image
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../workflow/task/retrieve/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Retrieve
|
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../workflow/task/service/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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Service
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</span>
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</a>
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</li>
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<li class="md-nav__item">
|
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<a href="../workflow/task/storage/" class="md-nav__link">
|
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<span class="md-ellipsis">
|
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|
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|
|
Storage
|
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</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../workflow/task/template/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
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|
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|
Template
|
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="../workflow/task/url/" class="md-nav__link">
|
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|
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<span class="md-ellipsis">
|
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Url
|
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</span>
|
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</a>
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</li>
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<li class="md-nav__item">
|
|
<a href="../workflow/task/workflow/" class="md-nav__link">
|
|
|
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|
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|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Workflow
|
|
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</span>
|
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|
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</a>
|
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</li>
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</ul>
|
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</nav>
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</li>
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</ul>
|
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</nav>
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</li>
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<li class="md-nav__item md-nav__item--nested">
|
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|
|
<input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_10" >
|
|
|
|
|
|
<div class="md-nav__link md-nav__container">
|
|
<a href="../api/" class="md-nav__link ">
|
|
|
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|
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|
|
<span class="md-ellipsis">
|
|
|
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|
|
API
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|
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|
|
</span>
|
|
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|
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</a>
|
|
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|
|
<label class="md-nav__link " for="__nav_10" id="__nav_10_label" tabindex="0">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
</label>
|
|
|
|
</div>
|
|
|
|
<nav class="md-nav" data-md-level="1" aria-labelledby="__nav_10_label" aria-expanded="false">
|
|
<label class="md-nav__title" for="__nav_10">
|
|
<span class="md-nav__icon md-icon"></span>
|
|
|
|
|
|
API
|
|
|
|
|
|
</label>
|
|
<ul class="md-nav__list" data-md-scrollfix>
|
|
|
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|
|
|
|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../api/cluster/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Cluster
|
|
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</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../api/configuration/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Configuration
|
|
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|
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|
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</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../api/customization/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Customization
|
|
|
|
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|
|
</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../api/methods/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Methods
|
|
|
|
|
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|
|
</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../api/mcp/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Model Context Protocol
|
|
|
|
|
|
|
|
</span>
|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../api/openai/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
OpenAI
|
|
|
|
|
|
|
|
</span>
|
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</a>
|
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</li>
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|
<li class="md-nav__item">
|
|
<a href="../api/security/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Security
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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|
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|
|
</ul>
|
|
</nav>
|
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</li>
|
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|
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|
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|
|
<li class="md-nav__item">
|
|
<a href="../cloud/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Cloud
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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|
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|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../examples/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Examples
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
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|
|
</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../faq/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
FAQ
|
|
|
|
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|
|
</span>
|
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|
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</a>
|
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</li>
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<li class="md-nav__item">
|
|
<a href="../observability/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Observability
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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<li class="md-nav__item">
|
|
<a href="../poweredby/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Powered by txtai
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
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|
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|
|
|
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|
|
<li class="md-nav__item">
|
|
<a href="../further/" class="md-nav__link">
|
|
|
|
|
|
|
|
<span class="md-ellipsis">
|
|
|
|
|
|
Further Reading
|
|
|
|
|
|
|
|
</span>
|
|
|
|
|
|
|
|
</a>
|
|
</li>
|
|
|
|
|
|
|
|
</ul>
|
|
</nav>
|
|
</div>
|
|
</div>
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Build
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More examples
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<h1 id="embeddings">Embeddings</h1>
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<p><img alt="embeddings" src="../images/embeddings.png#only-light" />
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<img alt="embeddings" src="../images/embeddings-dark.png#only-dark" /></p>
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<p>Embeddings databases are the engine that delivers semantic search. Data is transformed into embeddings vectors where similar concepts will produce similar vectors. Indexes both large and small are built with these vectors. The indexes are used to find results that have the same meaning, not necessarily the same keywords.</p>
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<p>The following code snippet shows how to build and search an embeddings index.</p>
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<div class="highlight"><pre><span></span><code><span class="kn">from</span><span class="w"> </span><span class="nn">txtai</span><span class="w"> </span><span class="kn">import</span> <span class="n">Embeddings</span>
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<span class="c1"># Create embeddings model, backed by sentence-transformers & transformers</span>
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<span class="n">embeddings</span> <span class="o">=</span> <span class="n">Embeddings</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="s2">"sentence-transformers/nli-mpnet-base-v2"</span><span class="p">)</span>
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<span class="n">data</span> <span class="o">=</span> <span class="p">[</span>
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<span class="s2">"US tops 5 million confirmed virus cases"</span><span class="p">,</span>
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<span class="s2">"Canada's last fully intact ice shelf has suddenly collapsed, "</span> <span class="o">+</span>
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<span class="s2">"forming a Manhattan-sized iceberg"</span><span class="p">,</span>
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<span class="s2">"Beijing mobilises invasion craft along coast as Taiwan tensions escalate"</span><span class="p">,</span>
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<span class="s2">"The National Park Service warns against sacrificing slower friends "</span> <span class="o">+</span>
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<span class="s2">"in a bear attack"</span><span class="p">,</span>
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<span class="s2">"Maine man wins $1M from $25 lottery ticket"</span><span class="p">,</span>
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<span class="s2">"Make huge profits without work, earn up to $100,000 a day"</span>
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<span class="p">]</span>
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<span class="c1"># Index the list of text</span>
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<span class="n">embeddings</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
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<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="s1">'Query'</span><span class="si">:</span><span class="s2">20</span><span class="si">}</span><span class="s2"> Best Match"</span><span class="p">)</span>
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<span class="nb">print</span><span class="p">(</span><span class="s2">"-"</span> <span class="o">*</span> <span class="mi">50</span><span class="p">)</span>
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<span class="c1"># Run an embeddings search for each query</span>
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<span class="k">for</span> <span class="n">query</span> <span class="ow">in</span> <span class="p">(</span><span class="s2">"feel good story"</span><span class="p">,</span> <span class="s2">"climate change"</span><span class="p">,</span> <span class="s2">"public health story"</span><span class="p">,</span> <span class="s2">"war"</span><span class="p">,</span>
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<span class="s2">"wildlife"</span><span class="p">,</span> <span class="s2">"asia"</span><span class="p">,</span> <span class="s2">"lucky"</span><span class="p">,</span> <span class="s2">"dishonest junk"</span><span class="p">):</span>
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<span class="c1"># Extract uid of first result</span>
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<span class="c1"># search result format: (uid, score)</span>
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<span class="n">uid</span> <span class="o">=</span> <span class="n">embeddings</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="mi">1</span><span class="p">)[</span><span class="mi">0</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span>
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<span class="c1"># Print text</span>
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<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">query</span><span class="si">:</span><span class="s2">20</span><span class="si">}</span><span class="s2"> </span><span class="si">{</span><span class="n">data</span><span class="p">[</span><span class="n">uid</span><span class="p">]</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
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</code></pre></div>
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<h2 id="build">Build</h2>
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<p>An embeddings instance is <a href="configuration">configuration-driven</a> based on what is passed in the constructor. Vectors are stored with the option to also <a href="configuration/database#content">store content</a>. Content storage enables additional filtering and data retrieval options.</p>
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<p>The example above sets a specific embeddings vector model via the <a href="configuration/vectors/#path">path</a> parameter. An embeddings instance with no configuration can also be created.</p>
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<div class="highlight"><pre><span></span><code><span class="n">embeddings</span> <span class="o">=</span> <span class="n">Embeddings</span><span class="p">()</span>
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</code></pre></div>
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<p>In this case, when loading and searching for data, the <a href="https://huggingface.co/sentence-transformers/all-MiniLM-L6-v2">default transformers vector model</a> is used to vectorize data. See the <a href="../models">model guide</a> for current model recommentations.</p>
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<h2 id="index">Index</h2>
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<p>After creating a new embeddings instance, the next step is adding data to it.</p>
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<div class="highlight"><pre><span></span><code><span class="n">embeddings</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">rows</span><span class="p">)</span>
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</code></pre></div>
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<p>The index method takes an iterable and supports the following formats for each element.</p>
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<ul>
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<li><code>(id, data, tags)</code> - default processing format</li>
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</ul>
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<table>
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<thead>
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<tr>
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<th>Element</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>id</td>
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<td>unique record id</td>
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</tr>
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<tr>
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<td>data</td>
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<td>input data to index, can be text, a dictionary or object</td>
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</tr>
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<tr>
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<td>tags</td>
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<td>optional tags string, used to mark/label data as it's indexed</td>
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</tr>
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</tbody>
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</table>
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<ul>
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<li><code>(id, data)</code></li>
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</ul>
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<p>Same as above but without tags.</p>
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<ul>
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<li><code>data</code></li>
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</ul>
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<p>Single element to index. In this case, unique id's will automatically be generated. Note that for generated id's, <a href="methods/#txtai.embeddings.base.Embeddings.upsert">upsert</a> and <a href="methods/#txtai.embeddings.base.Embeddings.delete">delete</a> calls require a separate search to get the target ids.</p>
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<p>When the data field is a dictionary, text is passed via the <code>text</code> key, binary objects via the <code>object</code> key. Note that <a href="configuration/database#content">content</a> must be enabled to store metadata and <a href="configuration/database#objects">objects</a> to store binary object data. The <code>id</code> and <code>tags</code> keys will be extracted, if provided.</p>
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<p>The input iterable can be a list or generator. <a href="https://wiki.python.org/moin/Generators">Generators</a> help with indexing very large datasets as only portions of the data is in memory at any given time.</p>
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<p>More information on indexing can be found in the <a href="indexing">index guide</a>.</p>
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<h2 id="search">Search</h2>
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<p>Once data is indexed, it is ready for search.</p>
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<div class="highlight"><pre><span></span><code><span class="n">embeddings</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">query</span><span class="p">,</span> <span class="n">limit</span><span class="p">)</span>
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</code></pre></div>
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<p>The search method takes two parameters, the query and query limit. The results format is different based on whether <a href="configuration/database#content">content</a> is stored or not.</p>
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<ul>
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<li>List of <code>(id, score)</code> when content is <em>not</em> stored</li>
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<li>List of <code>{**query columns}</code> when content is stored</li>
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</ul>
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<p>Both natural language and SQL queries are supported. More information can be found in the <a href="query">query guide</a>.</p>
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<h2 id="resource-management">Resource management</h2>
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<p>Embeddings databases are context managers. The following blocks automatically <a href="methods/#txtai.embeddings.base.Embeddings.close">close</a> and free resources upon completion.</p>
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<div class="highlight"><pre><span></span><code><span class="c1"># Create a new Embeddings database, index data and save</span>
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<span class="k">with</span> <span class="n">Embeddings</span><span class="p">()</span> <span class="k">as</span> <span class="n">embeddings</span><span class="p">:</span>
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<span class="n">embeddings</span><span class="o">.</span><span class="n">index</span><span class="p">(</span><span class="n">rows</span><span class="p">)</span>
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<span class="n">embeddings</span><span class="o">.</span><span class="n">save</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
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<span class="c1"># Search a saved Embeddings database</span>
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<span class="k">with</span> <span class="n">Embeddings</span><span class="p">()</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="k">as</span> <span class="n">embeddings</span><span class="p">:</span>
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<span class="n">embeddings</span><span class="o">.</span><span class="n">search</span><span class="p">(</span><span class="n">query</span><span class="p">)</span>
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</code></pre></div>
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<p>While calling <code>close</code> isn't always necessary (resources will be garbage collected), it's best to free shared resources like database connections as soon as they aren't needed.</p>
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<h2 id="more-examples">More examples</h2>
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<p>See <a href="../examples/#semantic-search">this link</a> for a full list of embeddings examples.</p>
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