ICTNET at Web Track 2009 Ad-hoc task

Feng Guan, Xiaoming Yu, Zeying Peng, Hongbo Xu, Yu Liu, Linhai Song, Xueqi Cheng

Research output: Contribution to journalConference articlepeer-review


This paper is about the work done for ad-hoc task of TREC 2009 Web Track. We introduce three methods for this task, including two improved BM25 models and query expansion. The results of these models indicate that both minimum window and query expansion could improve BM25 model.

Original languageEnglish (US)
JournalNIST Special Publication
StatePublished - Dec 1 2009
Event18th Text REtrieval Conference, TREC 2009 - Gaithersburg, MD, United States
Duration: Nov 17 2009Nov 20 2009

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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