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2004

SJTU at TREC 2004: Web Track Experiments

9 years 12 months ago
SJTU at TREC 2004: Web Track Experiments
: This is the first year our lab to participate in Trec. We participate in Mixed-Query task for the Web track. All the runs we submitted are based on the modified Okapi weighting scheme. Besides, we used several heuristics as the re-rank method: site-merging, minimal span weight, and etc. Also, the PageRank of a document is combined with the similarity of the document with the query to obtain an overall ranking of documents. Especially for the mixed-query task, we try a simple classification method to estimate whether the query is topic distillation or entry-page finding.
Yiming Lu, Jian Hu, Fanyuan Ma
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2004
Where TREC
Authors Yiming Lu, Jian Hu, Fanyuan Ma
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