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ICTIR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. It is well known that pseudo-relevance feedback (PRF) improves the retrieval performance of Information Retrieval (IR) systems in general. However, a recent study by Cao ...
JASIS
2010
13 years 6 months ago
2010
Common measures of term importance in information retrieval (IR) rely on counts of term frequency; rare terms receive higher weight in document ranking than common terms receive. ...
CIKM
2001
Springer
14 years 13 days ago
2001
Springer
The success of personal information agents depends on their ability to provide task-relevant information. This paper presents WordSieve, a new algorithm that generates context des...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Information retrieval systems conventionally assess document relevance using the bag of words model. Consequently, relevance scores of documents retrieved for different queries a...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Diversity has been heavily motivated in the information retrieval literature as an objective criterion for result sets in search and recommender systems. Perhaps one of the most w...