Wikipedia-Based Semantic Enhancements for Information Nugget Retrieval
When the objective of an information retrieval task is to return a nugget rather than a document, query terms that exist in a document often will not be used in the most relevant nugget in the document for the query. In this thesis a new method of query expansion is proposed based on the Wikipedia l...
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| Language: | en |
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2008
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| Online Access: | http://hdl.handle.net/10012/3687 |