1529 search results - page 72 / 306 » Querying for meta knowledge |
169
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ACMICEC
2006
ACM
2006
ACM
A semantic-based fully visual application for matchmaking and query refinement in B2C e-marketplaces
15 years 10 months ago
This paper presents a visual application in the framework of semantic-enabled e-marketplaces aimed at fully exploiting semantics of supply/demand descriptions in B2C and C2C e-mar...
154
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AAAI
2004
15 years 7 months ago
2004
Knowledge-based question-answering systems have become quite competent and robust at answering a wide range of questions in different domains, however in order to ask questions co...
179
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DMKD
2003
ACM
15 years 11 months ago
2003
ACM
An inference problem exists in a multilevel database if knowledge of some objects in the database allows information with a higher security level to be inferred. Many such inferen...
166
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CIKM
2010
Springer
15 years 4 months ago
2010
Springer
In advertising and content relevancy prediction it is important to understand whether, over time, information that reaches one demographic group spreads to others. In this paper w...
146
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WIKIS
2006
ACM
16 years 8 days ago
2006
ACM
In this paper we ask to what extent collective cognition can be supported and sustained in classroom practices. One major challenge for learning in technology-rich, collaborative ...