3524 search results - page 535 / 705 » Issues in Active Databases |
166
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VLDB
2007
ACM
16 years 16 days ago
2007
ACM
A top-k query retrieves the k highest scoring tuples from a data set with respect to a scoring function defined on the attributes of a tuple. The efficient evaluation of top-k q...
185
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VLDB
2005
ACM
15 years 12 months ago
2005
ACM
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...
199
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WILF
2009
Springer
15 years 11 months ago
2009
Springer
In this paper, an interactive image retrieval scheme using MPEG-7 visual descriptors is proposed. The performance of image retrieval systems is still limited due to semantic gap, w...
169
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ICEIS
2000
IEEE
15 years 10 months ago
2000
IEEE
This paper describes the development of Information System (IS) at Masaryk University in Brno. It supports full range of administrative and information functions in the study area,...
165
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EDBT
2000
ACM
15 years 10 months ago
2000
ACM
the research activities. This abstract is to introduce the approach of a data model - EP data model. Its data structure is able to store as a finite set of nodes arbitrary effectiv...