| 摘要 |
A computer identifies a document in response to a search request from a user, wherein the document includes content data and metadata and the search request includes one or more search keywords. The computer generates a hierarchical semantic model of the content data of the document by applying heuristics to the metadata of the document. The computer identifies a chunk within the document by scanning the hierarchical semantic model, wherein the identified chunk includes a subset of the content data that satisfies the search keywords and the corresponding metadata. The computer returns the identified chunk to the requesting user.
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