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Put forward a new information retrieval method based on the query specificity after analyzing the existing problems of information retrieval system. The experiments show that the system has better query performance. Avoid the similarity documents in the first few pages effectively, when the system return a larger set of query documents.
Prediction query performance (PQP) has been recognized by the IR (Information Retrieval) community as an important capability for IR systems. This paper put forward pseudo prediction query performance in the base of analyzing PQP. The authors design a new IR method. The experiment adopted testing data of TREC Web Track shows the method can improve the effectiveness of query.
Now the difficulty of information query on the Web is there is not matching between short, misty user query and the document of existing a great deal of redundancy and noise. Anew query method was brought forward based on first item clicked feedback under the analyzed excellent and disadvantage of relevance feedback and pseudo feedback.Present a measure of first item-clicked feedback. The experiment...
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