BJUT at TREC 2015 Contextual Suggestion Track
Beijing University of Technology Beijing China
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In this paper we described our efforts for TREC contextual suggestion task. Our goal of this year is to evaluate the effectiveness of 1 predict user preferences of each scenic spot based on non-negtive matrix factorization, 2 automatic summarization method that leverages the information from multiple resources to generate the description for each candidate scenic spots and 3 hybrid recommendation method that combing a variety of factors to construct a system of hybrid recommendation system. Finally, we conduct extensive experiments to evaluate the proposed framework on TREC 2015 Contextual Suggestion dataset, and, as would be expected, the results demonstrate its generality and superior performance.