620 search results - page 117 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
253
Voted
POPL
2004
ACM
16 years 4 months ago
2004
ACM
We aim to specify program transformations in a declarative style, and then to generate executable program transformers from such specifications. Many transformations require non-t...
162
Voted
XSYM
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. We propose a mapping from the Enhanced Entity Relationship conceptual model to the W3C XML Schema Language with the following properties: information and integrity constr...
128
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COMPSAC
2006
IEEE
15 years 10 months ago
2006
IEEE
This paper presents an approach for building consensus ontologies from the individual ontologies of a network of socially interacting agents. Each agent has its own conceptualizat...
162
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SPIRE
2004
Springer
15 years 10 months ago
2004
Springer
Abstract Searching information resources using mobile devices is affected by displays on which only a small fraction of the set of ranked documents can be displayed. In this study ...
158
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CIVR
2008
Springer
15 years 6 months ago
2008
Springer
Browsing and finding pictures in large-scale and heterogeneous collections is an important issue, most particularly for online photo sharing applications. Since such services know...