Many different utilities improve the results of a retrieval strategy. Most utilities add or remove terms from the initial query in an attempt to refine the query. Others simply refine the focus of the query by using subdocuments or passages instead of whole documents. The key is that each of these utilities (although rarely presented as such) are plug-and-play utilities that operate with any arbitrary retrieval strategy.
KeywordsInformation Retrieval Relevant Document Relevance Feedback Semantic Network Vector Space Model
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