SEARCHING DOCUMENT COLLECTIONS USING SEMANTIC ROLES OF KEYWORDS
First Claim
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1. A computer-implemented method for searching a collection of documents, comprising:
- providing a search interface in which a user specifies a search query including a first keyword;
providing one or more suggested keywords in the search interface, the suggested keywords being included in first ones of the documents in which the first keyword is also included, each of the suggested keywords having a predetermined semantic relationship with the first keyword in one or more of the first documents, each of the suggested keywords having one or more associated semantic roles explicitly identified in the search interface; and
providing a mechanism in the search interface by which the user refines the search query by selecting one of the suggested keywords in a particular semantic role.
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Abstract
Methods and apparatus are described for facilitating discovery of information of interest in a document collection. A document model is proposed in which important terms and their semantic roles are represented. This document model is then used to facilitate searching and/or browsing of the document collection.
10 Citations
19 Claims
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1. A computer-implemented method for searching a collection of documents, comprising:
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providing a search interface in which a user specifies a search query including a first keyword; providing one or more suggested keywords in the search interface, the suggested keywords being included in first ones of the documents in which the first keyword is also included, each of the suggested keywords having a predetermined semantic relationship with the first keyword in one or more of the first documents, each of the suggested keywords having one or more associated semantic roles explicitly identified in the search interface; and providing a mechanism in the search interface by which the user refines the search query by selecting one of the suggested keywords in a particular semantic role. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer-implemented method for searching a collection of documents, each of the documents having an associated semantic representation in which each of a subset of the terms in the associated document has a corresponding semantic role, the method comprising:
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receiving a first keyword from a user device; identifying first ones of the semantic representations including the first keyword; identifying one or more suggested keywords having predetermined semantic relationships with the first keyword with reference to the first semantic representations; and transmitting the suggested keywords to the user device. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A system for searching a collection of documents, comprising:
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system memory having a semantic representation of each of the documents stored therein in which each of a subset of the terms in the corresponding document has a corresponding semantic role; and one or more computing devices configured to; receive a first keyword from a user device; identify first ones of the semantic representations including the first keyword; identify one or more suggested keywords having predetermined semantic relationships with the first keyword with reference to the first semantic representations; and transmit the suggested keywords to the user device. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification