PASSAGE-BASED RETRIEVAL USING PARAMETERIZED FUZZY SET OPERATORS

We examined the use of parameterized fuzzy set operators in passage-based retrieval because these operators generalized some of the previous work in passage-based retrieval. Here, we examined the impact of the parameter values on the retrieval performance. The use of these fuzzy operators is justified on the basis of three principles, which are tested by comparing the retrieval effectiveness of different fuzzy operators for different principles. We used the TREC-6 English ad hoc retrieval test collection for evaluation and concluded that different fuzzy operators are useful for different retrieval contexts or requirements.

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