Siming Zhu

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This paper described the real-time search system we built for TREC 2013 microblog track. We focused on query expansion and ranking algorithm and employed different strategies. For query expansion, we implied pseudo-relevance feedback using WAF algorithms and a refined í µí±¡í µí±“ * í µí±–í µí±‘í µí±“ formula. For re-ranking part, our system makes use of(More)
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