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<li class="toctree-l1 has-children"><a class="reference internal" href="lumen_ai/index.html">Lumen AI</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l2 has-children"><a class="reference internal" href="lumen_ai/getting_started/index.html">Getting Started</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
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<li class="toctree-l2 has-children"><a class="reference internal" href="lumen_ai/how_to/index.html">How to Guides</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="lumen_ai/how_to/custom_agents.html">Custom Agents</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lumen_ai/how_to/custom_tools.html">Custom Tools</a></li>
<li class="toctree-l3"><a class="reference internal" href="lumen_ai/how_to/model_prompts.html">Model Prompts</a></li>
<li class="toctree-l3"><a class="reference internal" href="lumen_ai/how_to/template_prompts.html">Template Prompts</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="lumen_spec/index.html">Lumen Spec</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l2 has-children"><a class="reference internal" href="lumen_spec/getting_started/index.html">Getting Started</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="lumen_spec/getting_started/build_dashboard.html"><svg aria-hidden="true" class="sd-octicon sd-octicon-tools sd-mr-1" height="2.0em" version="1.1" viewbox="0 0 24 24" width="2.0em"><path d="M7.875 2.292a.114.114 0 0 0-.032.018A7.239 7.239 0 0 0 4.75 8.25a7.248 7.248 0 0 0 3.654 6.297c.57.327.982.955.941 1.682v.002l-.317 6.058a.75.75 0 1 1-1.498-.078l.317-6.062v-.004c.006-.09-.047-.215-.188-.296A8.749 8.749 0 0 1 3.25 8.25a8.738 8.738 0 0 1 3.732-7.169 1.547 1.547 0 0 1 1.709-.064c.484.292.809.835.809 1.46v4.714a.25.25 0 0 0 .119.213l2.25 1.385c.08.05.182.05.262 0l2.25-1.385a.25.25 0 0 0 .119-.213V2.478c0-.626.325-1.169.81-1.461a1.547 1.547 0 0 1 1.708.064 8.741 8.741 0 0 1 3.732 7.17 8.747 8.747 0 0 1-4.41 7.598c-.14.081-.193.206-.188.296v.004l.318 6.062a.75.75 0 1 1-1.498.078l-.317-6.058v-.002c-.041-.727.37-1.355.94-1.682A7.247 7.247 0 0 0 19.25 8.25a7.239 7.239 0 0 0-3.093-5.94.114.114 0 0 0-.032-.018l-.01-.001c-.003 0-.014 0-.031.01-.036.022-.084.079-.084.177V7.19c0 .608-.315 1.172-.833 1.49l-2.25 1.385a1.75 1.75 0 0 1-1.834 0l-2.25-1.384A1.752 1.752 0 0 1 8 7.192V2.477c0-.098-.048-.155-.084-.176a.068.068 0 0 0-.031-.011l-.01.001Z"></path></svg> Build a dashboard</a></li>
<li class="toctree-l3"><a class="reference internal" href="lumen_spec/getting_started/core_concepts.html"><svg aria-hidden="true" class="sd-octicon sd-octicon-mortar-board sd-mr-1" height="2.0em" version="1.1" viewbox="0 0 24 24" width="2.0em"><path d="M12.292 2.06v-.001l11.25 4.75a.749.749 0 0 1 0 1.382L19 10.108V15a.75.75 0 0 1-.11.391h-.001a2.84 2.84 0 0 1-.392.482c-.249.256-.625.58-1.163.896-1.08.638-2.776 1.23-5.334 1.23-.673 0-1.286-.041-1.846-.113a.75.75 0 0 1 .192-1.487c.492.063 1.042.1 1.654.1 2.317 0 3.746-.533 4.572-1.021.31-.178.596-.397.849-.65l.079-.085V10.74l-5.208 2.2a.75.75 0 0 1-.584 0L5.75 10.424v3.17c.502.129.96.391 1.327.758.579.578.923 1.41.923 2.428v4.5a.761.761 0 0 1-.345.634 2.157 2.157 0 0 1-.21.117 3.923 3.923 0 0 1-.52.213A6.121 6.121 0 0 1 5 22.532a6.092 6.092 0 0 1-1.925-.288 4.065 4.065 0 0 1-.52-.213 1.816 1.816 0 0 1-.22-.124.757.757 0 0 1-.335-.624v-4.5c0-1.02.344-1.85.923-2.43a2.904 2.904 0 0 1 1.327-.757V9.793L.458 8.19a.75.75 0 0 1 0-1.38l11.25-4.75a.75.75 0 0 1 .584 0ZM12 11.436 21.322 7.5 12 3.564 2.678 7.5ZM5 15c-.377 0-.745.141-1.017.413-.265.265-.483.7-.483 1.368v4.022c.299.105.797.228 1.5.228s1.201-.123 1.5-.228V16.78c0-.669-.218-1.103-.483-1.368A1.433 1.433 0 0 0 5 15Z"></path></svg> Core Concepts</a></li>
<li class="toctree-l3"><a class="reference internal" href="lumen_spec/getting_started/pipelines.html"><svg aria-hidden="true" class="sd-octicon sd-octicon-git-commit sd-mr-1" height="2.0em" version="1.1" viewbox="0 0 24 24" width="2.0em"><path d="M16.944 11h4.306a.75.75 0 0 1 0 1.5h-4.306a5.001 5.001 0 0 1-9.888 0H2.75a.75.75 0 0 1 0-1.5h4.306a5.001 5.001 0 0 1 9.888 0Zm-1.444.75a3.5 3.5 0 1 0-7 0 3.5 3.5 0 0 0 7 0Z"></path></svg> Building a data pipeline</a></li>
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<li class="toctree-l2 has-children"><a class="reference internal" href="lumen_spec/how_to/index.html">How to Guides</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3 has-children"><a class="reference internal" href="lumen_spec/how_to/data_intake/index.html">Data Intake</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_intake/files.html">Access Files</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_intake/cache.html">Cache Data</a></li>
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<li class="toctree-l3 has-children"><a class="reference internal" href="lumen_spec/how_to/data_processing/index.html">Data Processing</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_processing/pipeline_python.html">Build Pipelines with Python</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_processing/branch_pipeline.html">Branch a Pipeline</a></li>
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<li class="toctree-l3 has-children"><a class="reference internal" href="lumen_spec/how_to/data_visualization/index.html">Visualize and Deploy</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_visualization/views.html">Define Views</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_visualization/dashboard_python.html">Visualize Dashboards with Python</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_visualization/deploy.html">Deploy</a></li>
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<li class="toctree-l3 has-children"><a class="reference internal" href="lumen_spec/how_to/validation/index.html">Validation</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/validation/validate.html">Validate Specification</a></li>
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<li class="toctree-l3 has-children"><a class="reference internal" href="lumen_spec/how_to/data_output/index.html">Data Output</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/data_output/download_data.html">Enable Data Download</a></li>
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<li class="toctree-l3 has-children"><a class="reference internal" href="lumen_spec/how_to/advanced/index.html">Advanced Topics</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/advanced/local_components.html">Access Custom Components</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/advanced/auth.html">Configure Authentication</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/advanced/variables_and_references.html">Reference Variables</a></li>
<li class="toctree-l4"><a class="reference internal" href="lumen_spec/how_to/advanced/callbacks.html">Declare Callbacks</a></li>
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</ul>
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<li class="toctree-l1 has-children"><a class="reference internal" href="gallery/index.html">Gallery</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l2"><a class="reference internal" href="gallery/precip.html">Precipitation</a></li>
<li class="toctree-l2"><a class="reference internal" href="gallery/penguins.html">Penguins</a></li>
<li class="toctree-l2"><a class="reference internal" href="gallery/nyc_taxi.html">NYC Taxi Trips</a></li>
<li class="toctree-l2"><a class="reference internal" href="gallery/bikes.html">London Bike Points</a></li>
<li class="toctree-l2"><a class="reference internal" href="gallery/seattle.html">Seattle Weather</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="reference/index.html">Reference</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l2 has-children"><a class="reference internal" href="reference/agent/index.html">Agent</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/SourceAgent.html">SourceAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/ChatAgent.html">ChatAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/TableListAgent.html">TableListAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/LumenBaseAgent.html">LumenBaseAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/AnalystAgent.html">AnalystAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/SQLAgent.html">SQLAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/BaseViewAgent.html">BaseViewAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/AnalysisAgent.html">AnalysisAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/hvPlotAgent.html">hvPlotAgent</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/agent/VegaLiteAgent.html">VegaLiteAgent</a></li>
</ul>
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<li class="toctree-l2 has-children"><a class="reference internal" href="reference/coordinator/index.html">Coordinator</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="reference/coordinator/DependencyResolver.html">DependencyResolver</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/coordinator/Planner.html">Planner</a></li>
</ul>
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<li class="toctree-l2 has-children"><a class="reference internal" href="reference/tool/index.html">Tool</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="reference/tool/Tool.html">Tool</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/tool/FunctionTool.html">FunctionTool</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/tool/DocumentLookup.html">DocumentLookup</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/tool/TableLookup.html">TableLookup</a></li>
</ul>
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<li class="toctree-l2 has-children"><a class="reference internal" href="reference/ui/index.html">UI</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="reference/ui/ChatUI.html">ChatUI</a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/ui/ExplorerUI.html">ExplorerUI</a></li>
</ul>
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<li class="toctree-l2 has-children"><a class="reference internal" href="reference/variable/index.html">Variable</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
<li class="toctree-l3"><a class="reference internal" href="reference/variable/Constant.html">Constant <span class="sd-sphinx-override sd-badge sd-bg-primary sd-bg-text-primary">type: constant</span></a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/variable/EnvVariable.html">EnvVariable <span class="sd-sphinx-override sd-badge sd-bg-primary sd-bg-text-primary">type: env</span></a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/variable/Widget.html">Widget <span class="sd-sphinx-override sd-badge sd-bg-primary sd-bg-text-primary">type: widget</span></a></li>
<li class="toctree-l3"><a class="reference internal" href="reference/variable/Parameter.html">Parameter <span class="sd-sphinx-override sd-badge sd-bg-primary sd-bg-text-primary">type: param</span></a></li>
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<li class="toctree-l2 has-children"><a class="reference internal" href="reference/source/index.html">Source</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul>
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<section id="welcome-to-lumen">
<h1>Welcome to Lumen!<a class="headerlink" href="#welcome-to-lumen" title="Link to this heading">#</a></h1>
<img src="./_static/ai-diagram.png" alt="Lumen AI Diagram" width="100%"/>
<p>Lumen is a fully open-source and extensible agent based framework for chatting with data and for retrieval augmented generation (RAG). The declarative nature of Lumen’s data model make it possible for LLMs to easily generate entire data transformation pipelines, visualizations and other many other types of output. Once generated the data pipelines and visual output can be easily serialized, making it possible to share them, to continue the analysis in a notebook and/or build entire dashboards.</p>
<ul class="simple">
<li><p><strong>Generate SQL</strong>: Generate data pipelines on top of local or remote files, SQL databases or your data lake.</p></li>
<li><p><strong>Provide context and embeddings</strong>: Give Lumen access to your documents to give the LLM the context it needs.</p></li>
<li><p><strong>Visualize your data</strong>: Generate everything from charts to powerful data tables or entire <strong>dashboards</strong> using natural language.</p></li>
<li><p><strong>Inspect, validate and edit results</strong>: All LLM outputs can easily be inspected for mistakes, refined, and manually edited if needed.</p></li>
<li><p><strong>Summarize results and key insights</strong>: Have the LLM summarize key results and extract important insights.</p></li>
<li><p><strong>Custom analyses, agents and tools</strong>: Extend Lumen custom agents, tools, and analyses to generate deep insights tailored to your domain.</p></li>
</ul>
<p>Lumen sets itself apart from other agent based frameworks in that it focuses on being fully open and extensible. With powerful internal primitives for expressing complex data transformations the LLM can gain insights into your datasets out-of-the box and can be further tailored with custom agents, analyses and tools to empower even non-programmers to perform complex analyses without having to code. The customization makes it possible to generate any type of output, allow the user and the LLM to perform analyses tailored to your domain and look up additional information and context easily. Since Lumen is built on <a class="reference external" href="https://panel.holoviz.org">Panel</a> it can render almost any type of output with little to no effort, ensuring that even the most esoteric usecase is easily possible.</p>
<p>The declarative Lumen data model further sets it apart from other tools, making it easy for LLMs to populate custom components and making it easy for the user to share the results. Entire multi-step data transformation pipelines be they in SQL or Python can easily be captured and used to drive custom visualizations, interactive tables and more. Once generated the declarative nature of the Lumen specification allows them to be shared, reproducing them in a notebook or composing them through a drag-and-drop interface into a dashboard.</p>
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<h2>Getting Started<a class="headerlink" href="#getting-started" title="Link to this heading">#</a></h2>
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<p class="sd-card-text">Install Lumen in a few easy steps</p>
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<a class="sd-stretched-link sd-hide-link-text reference internal" href="installation.html"><span class="doc">Installation</span></a></div>
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<p class="sd-card-text">How to explore your data with Lumen AI.</p>
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<a class="sd-stretched-link sd-hide-link-text reference internal" href="lumen_ai/getting_started/using_lumen_ai.html"><span class="doc"> Using Lumen AI</span></a></div>
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<p class="sd-card-text">How to explore your data with Lumen AI.</p>
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<a class="sd-stretched-link sd-hide-link-text reference internal" href="lumen_ai/getting_started/configuring_lumen_ai.html"><span class="doc"> Configuring Lumen AI</span></a></div>
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<p class="sd-card-text">How to build a Lumen dashboard</p>
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<a class="sd-stretched-link sd-hide-link-text reference internal" href="lumen_spec/getting_started/build_dashboard.html"><span class="doc"> Build a dashboard</span></a></div>
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<p class="sd-card-text">Get an overview of the core concepts of Lumen</p>
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<a class="sd-stretched-link sd-hide-link-text reference internal" href="lumen_spec/getting_started/core_concepts.html"><span class="doc"> Core Concepts</span></a></div>
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<p class="sd-card-text">A quick introduction to data transformations with Lumen Piplines.</p>
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<a class="sd-stretched-link sd-hide-link-text reference internal" href="lumen_spec/getting_started/pipelines.html"><span class="doc"> Building a data pipeline</span></a></div>
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