7962 search results - page 149 / 1593 » Conceptions of information science |
169
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ICCV
2003
IEEE
15 years 11 months ago
2003
IEEE
Concept learning in content-based image retrieval (CBIR) systems is a challenging task. This paper presents an active concept learning approach based on mixture model to deal with...
172
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FSS
2007
15 years 5 months ago
2007
Formal concept analysis and rough set theory are two important tools in knowledge representation and knowledge discovery in relational information systems. The purpose of this pap...
152
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SEMCO
2007
IEEE
15 years 12 months ago
2007
IEEE
Semantic concepts cement the ability to correlate visual information to higher-level semantic concepts. Traditional image search leverages text associated with images, a lowlevel ...
156
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ICMCS
2006
IEEE
15 years 11 months ago
2006
IEEE
A novel framework is introduced for visual event detection. Visual events are viewed as stochastic temporal processes in the semantic concept space. In this concept-centered appro...
163
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CIS
2005
Springer
15 years 11 months ago
2005
Springer
Different from familiar clustering objects, text documents have sparse data spaces. A common way of representing a document is as a bag of its component words, but the semantic re...