UMass at TREC 2010 web track: Term dependence, spam filtering and quality bias
|UMass at TREC 2010 web track: Term dependence, spam filtering and quality bias|
|Author(s)||Bendersky M., Fisher D., Croft W.B.|
|Published in||NIST Special Publication|
|Keyword(s)||Unknown (Extra: Content qualities, Document collection, High quality, Low qualities, Pseudo relevance feedback, Query expansion, Ranking methods, Retrieval performance, Retrieved documents, Spam filtering, Web collections, Wikipedia, Internet, Information retrieval)|
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UMass at TREC 2010 web track: Term dependence, spam filtering and quality bias is a 2010 conference paper written in English by Bendersky M., Fisher D., Croft W.B. and published in NIST Special Publication.
Many existing retrieval approaches treat all the documents in the collection equally, and do not take into account the content quality of the retrieved documents. In our submissions for TREC 2010 Web Track, we utilize quality-biased ranking methods that are aimed to promote documents that potentially contain high-quality content, and penalize spam and low-quality documents. Our experiments with the ad hoc web topics from TREC 2010 show that features such as the spamminess of the document (as computed by the Waterloo team ) and the readability of the document (modeled by the fraction of stopwords in the document) are very important for improving the precision at the top ranks. Promotion of the high-quality Wikipedia pages leads to further retrieval performance improvements. In addition, we found that using Wikipedia as a high-quality document collection for query expansion can ameliorate some of the negative effects of performing pseudo-relevance feedback from a noisy web collection such as ClueWeb09.
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