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WWW
2007
ACM
15 years 10 months ago
2007
ACM
Sequential patterns of d-gaps exist pervasively in inverted lists of Web document collection indices due to the cluster property. In this paper the information of d-gap sequential...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
In this paper, we show that most multiple term queries include more than one topic and users usually reformulate their queries by topics instead of terms. In order to provide empi...
KDD
2007
ACM
15 years 10 months ago
2007
ACM
Metasearch engine, Comparison-shopping and Deep Web crawling applications need to extract search result records enwrapped in result pages returned from search engines in response ...
ICEIS
2009
IEEE
15 years 4 months ago
2009
IEEE
In an information retrieval system, a thesaurus can be used for query expansion, i.e. adding words to queries in order to improve recall. We propose a semi-automatic and interactiv...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
When trained and evaluated on accurately labeled datasets, online email spam filters are remarkably effective, achieving error rates an order of magnitude better than classifie...