8298 search results - page 330 / 1660 » Query-Free Information Retrieval |
155
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SIGIR
2004
ACM
15 years 10 months ago
2004
ACM
Answer patterns have been shown to improve the performance of open-domain factoid QA systems. Their use, however, requires either constructing the patterns manually or developing ...
133
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DEXAW
2000
IEEE
15 years 9 months ago
2000
IEEE
Situational aspects are very helpful to decide relevance but they have often been left aside by Information Retrieval models. The standard logical approach to Information Retrieva...
146
Voted
VISUAL
2000
Springer
15 years 8 months ago
2000
Springer
Abstract. Often in content-based image retrieval, a single image attribute may not have enough discriminative information for retrieval. On the other hand, when multiple features a...
145
Voted
CIKM
2005
Springer
15 years 7 months ago
2005
Springer
This paper presents a new pooling method for constructing the assessment sets used in the evaluation of retrieval systems. Our proposal is based on RankBoost, a machine learning v...
149
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CIKM
2010
Springer
15 years 16 hour ago
2010
Springer
The gap between the user's information need and query is expanding due to the pervasiveness of Web search. Multimedia question answering is restricted by disjoint infrastruct...