3456 search results - page 386 / 692 » Semantics in Spatial Databases |
252
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
196
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PODS
2008
ACM
16 years 6 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
224
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CIDR
2011
14 years 10 months ago
2011
Data state in a data management system such as a database is the result of the transactions performed on that data management system. Approaches such as single-message transaction...
198
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
In spite of the omnipresence of parallel (multi-core) systems, the predominant strategy to evaluate window-based stream joins is still strictly sequential, mostly just straightfor...
186
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
This paper investigates how the vision of the Semantic Web can be carried over to the realm of email. We introduce a general notion of semantic email, in which an email message co...