Semantic search using a single-source semantic model

  • US 8,775,442 B2
  • Filed: 05/15/2012
  • Issued: 07/08/2014
  • Est. Priority Date: 05/15/2012
  • Status: Active Grant
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First Claim
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1. A method, comprising:

  • providing a data store including documents;

    providing a semantic model including a plurality of concepts, wherein the semantic model is derived at least in part from a reference source that includes content not included in the data store;

    determining at least one similarity metric for each document of the plurality of documents, wherein each respective similarity metric represents a similarity between a respective document of the plurality of documents and a respective concept of the plurality of concepts in the semantic model;

    receiving a search query;

    computing at least one relevance metric of the search query, wherein each relevance metric represents a relevance of the search query to a respective concept of the plurality of concepts represented in the semantic model; and

    determining a ranking of at least a subset of the plurality of documents with respect to the search query using at least the at least one similarity metric and the at least one relevance metric.

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