283 search results - page 2 / 57 » A study of the effect of term proximity on query expansion |
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
CIKM
2005
Springer
13 years 10 months ago
2005
Springer
Language Modeling (LM) has been successfully applied to Information Retrieval (IR). However, most of the existing LM approaches only rely on term occurrences in documents, queries...
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...
IR
2010
13 years 2 months ago
2010
The retrieval of sentences that are relevant to a given information need is a challenging passage retrieval task. In this context, the well-known vocabulary mismatch problem arises...
IPM
2007
13 years 4 months ago
2007
Interactive query expansion (IQE) (c.f. Efthimiadis, 1996) is a potentially useful technique to help searchers formulate improved query statements, and ultimately retrieve better ...