1469 search results - page 1 / 294 » Query Expansion and Query Reduction in Document Retrieval |
ICTAI
2003
IEEE
13 years 9 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
RIAO
2007
13 years 5 months ago
2007
Document expansion and query expansion aim to add related terms into document and query representations in order to make them more complete. However, most previous studies are lim...
ECIR
2009
Springer
13 years 2 months ago
2009
Springer
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
CIKM
2007
Springer
13 years 10 months ago
2007
Springer
Searching answers to complex questions is a challenging IR task. In this paper, we examine the use of query templates with semantic slots to formulate slot-based queries. These qu...
CIKM
2010
Springer
13 years 2 months ago
2010
Springer
Traditional interactive information retrieval systems function by creating inverted lists, or term indexes. For every term in the vocabulary, a list is created that contains the d...