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A novel model for query expansion using pseudo-relevant web knowledge
Among the three weighting models, tf-itf scores each of the individual terms obtained from the web content, kNN-based cosine similarity scores the expansion terms to obtain the term-term relationship, and correlation score weighs the selected expansion terms with respect to the whole query.
A new approach for query expansion using Wikipedia and WordNet
We also analyzed the effect on retrieval effectiveness of the proposed technique by varying the number of expansion terms.
Query expansion techniques for information retrieval: A survey
With the ever increasing size of the web, relevant information extraction on the Internet with a query formed by a few keywords has become a big challenge.
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