K. Kwok, L. Grunfeld, H. Sun and P. Deng. REC 2004 Robust Track Experiments Using PIRCS. In Proceedings of the 13thText REtrieval Conference (TREC2004). Gaithersburg, MD. November, 2004.
Kwow et. al. applied the SupportVectorRegression (SVR) for the Query Performance Prediction. The prediction process involves a set of pre-retrieval, post-retrieval and Web-assist query features, including the most informative terms in the query, co-occurence of query terms in the top-ranked documents, and query length for the regression.
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