8349 search results - page 260 / 1670 » Introduction to Information Retrieval |
201
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
Abstract—Most objects and data in the real world are interconnected, forming complex, heterogeneous but often semistructured information networks. However, many database research...
169
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
227
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KDD
2012
ACM
13 years 9 months ago
2012
ACM
Intelligence analysts grapple with many challenges, chief among them is the need for software support in storytelling, i.e., automatically ‘connecting the dots’ between dispar...
220
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Many techniques for improving search result quality have been proposed. Typically, these techniques increase average effectiveness by devising advanced ranking features and/or by...
166
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CLEF
2004
Springer
16 years 1 days ago
2004
Springer
Named entities in topics are a major factor contributing to the quality of retrieval results. In this paper, we report on an analysis on the correlation between the number of named...