251 search results - page 1 / 51 » Analyzing the Effect of Query Class on Document Retrieval Pe... |
69
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AUSAI
2004
Springer
15 years 4 months ago
2004
Springer
Abstract. Analysis of queries posed to open-domain question-answering systems indicates that particular types of queries are dominant, e.g., queries about the identity of people, a...
118
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IR
2010
14 years 8 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...
105
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ECIR
2009
Springer
14 years 8 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...
PDPTA
1996
15 years 2 days ago
1996
The problem of eciently retrieving and ranking documents from a huge collection according to their relevance to a research topic is addressed. A broad class of queries is de ned a...
SIGIR
2000
ACM
15 years 2 months ago
2000
ACM
The effects of out-of-vocabulary (OOV) items in spoken document retrieval (SDR) are investigated. Several sets of transcriptions were created for the TREC-8 SDR task using a speec...