Use case
Semantic search
Find documents by meaning rather than by keyword, so a search for "how do I cancel" finds the page titled "ending your subscription".
What it takes
In the order you would adopt them. Every step opens in the knowledge graph.
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Dense numeric vector representing the meaning of a piece of text.
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Open-source vector database with hybrid keyword and vector search built in.
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Encoder-only Transformer pre-trained with masked language modelling.
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Second-stage ordering of retrieved candidates by a more accurate scoring model.