789 search results - page 67 / 158 » Supporting User Query Relaxation in a Recommender System |
138
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SWAP
2007
15 years 5 months ago
2007
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
134
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IR
2000
15 years 4 months ago
2000
: Previous research in conceptual indexing methods of images has furnished us with refined theoretical frameworks characterising various aspects of images that could and should be ...
126
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VLDB
2001
ACM
15 years 9 months ago
2001
ACM
Complex similarity queries, i.e., multi-feature multi-object queries, are needed to express the information need of a user against a large multimedia repository. Even if a user in...
161
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EDBTW
2004
Springer
15 years 10 months ago
2004
Springer
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
300
Voted
DLOG
2011
14 years 8 months ago
2011
In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...