2164 search results - page 194 / 433 » Learning to rank for information retrieval |
182
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CLEF
2006
Springer
15 years 10 months ago
2006
Springer
Geographic Information Retrieval (GIR) community has generally accepted the thesis that both thematic and geographic aspect of documents may be useful for GIR. This paper describe...
148
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SIGIR
2010
ACM
15 years 6 months ago
2010
ACM
Logs of users' searches on Web health topics can exhibit signs of escalation of medical concerns, where initial queries about common symptoms are followed by queries about se...
135
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Information retrieval systems are compared using evaluation metrics, with researchers commonly reporting results for simple metrics such as precision-at-10 or reciprocal rank toge...
194
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MIR
2005
ACM
16 years 1 days ago
2005
ACM
Concept drifting is an important and challenging research issue in the field of machine learning. This paper mainly addresses the issue of semantic concept drifting in time series...
145
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MLDM
1999
Springer
15 years 10 months ago
1999
Springer
Content-based image retrieval methods based on the Euclidean metric expect the feature space to be isotropic. They suer from unequal dierential relevance of features in comput...