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183
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CIKM
2004
Springer
16 years 8 days ago
2004
Springer
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
218
Voted
ECIR
2007
Springer
15 years 8 months ago
2007
Springer
Retrieval accuracy can be improved by considering which document type should be filtered out and which should be ranked higher in the result list. Hence, document type can be used...
150
Voted
NAACL
2007
15 years 8 months ago
2007
Information retrieval systems are frequently required to handle long queries. Simply using all terms in the query or relying on the underlying retrieval model to appropriately wei...
211
Voted
DIAL
2004
IEEE
15 years 10 months ago
2004
IEEE
Large collections of scanned documents (books and journals) are now available in Digital Libraries. The most common method for retrieving relevant information from these collectio...
167
Voted
CIKM
2007
Springer
16 years 1 months ago
2007
Springer
It has been shown that using phrases properly in the document retrieval leads to higher retrieval effectiveness. In this paper, we define four types of noun phrases and present an...