1617 search results - page 197 / 324 » Recommender Systems |
146
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DEXA
2007
Springer
15 years 10 months ago
2007
Springer
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
129
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CSCW
2006
ACM
15 years 10 months ago
2006
ACM
A tagging community’s vocabulary of tags forms the basis for social navigation and shared expression. We present a user-centric model of vocabulary evolution in tagging communit...
139
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DSS
2007
15 years 4 months ago
2007
Online communities that allow their users to express their personal preferences, such as the members they trust and the products they appreciate, are becoming increasingly popular...
147
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JSS
2007
15 years 4 months ago
2007
To efficiently make use of information and services available in ubiquitous environments, mobile users need novel means for locating relevant content, where relevance has a user-s...
159
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JISE
2007
15 years 4 months ago
2007
This paper presents an interactive query expansion method with association thesaurus, which is mined from the ‘selected web pages’ of users in the query logs. The ‘selected w...