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+This demo incorporates server-side semantic search into the [DevExtreme DataGrid](/Documentation/Guide/UI_Components/DataGrid/Overview/). Semantic search finds results based on meaning rather than exact wording, understanding the context and intent behind a question or phrase. This allows your DevExtreme-powered app to deliver more relevant answers by connecting related concepts, even if exact words differ.
+
+To review the benefits of this feature, search for dictionary entries and their descriptions and use synonyms or generic descriptions instead of exact search strings (such as "clothing" instead of a specific product name). You can fine-tune the search results: use the Similarity Factor editor to change the search precision.
+<!--split-->
+
+[note]
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+AI services used for this demo have been rate and data limited. As such, you may experience performance-related delays when exploring the capabilities of the DataGrid AI Assistant.
+
+When connected to your own AI model/service without rate and data limits, semantic search will perform seamlessly, without artificial delays. Note that DevExtreme does not offer an AI REST API and does not ship any built-in LLMs/SLMs.
+
+[/note]
+
+This demo configures semantic filtering on the server (using [AzureOpenAI embeddings](https://learn.microsoft.com/en-us/azure/foundry/openai/how-to/embeddings?tabs=csharp)). Each request returns filtered data using two parameters:
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+- A search value (entered in the built-in [search panel](/Documentation/ApiReference/UI_Components/dxDataGrid/Configuration/searchPanel/))
+- A similarity factor (adjusted using a custom [toolbar](/Documentation/ApiReference/UI_Components/dxDataGrid/Configuration/toolbar/) item)
+
+The DataGrid is configured to reload data after you enter a query in the search editor.
+
+Review the `DataGridSemanticSearchController.cs` tab in the [ASP.NET Core version](https://demos.devexpress.com/ASPNetCore/Demo/DataGrid/SemanticSearch) of this demo for backend implementation details.
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