4616 search results - page 510 / 924 » Beyond relational databases |
238
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
Scientific WorkFlows (SWFs) need to utilize components and applications in order to satisfy the requirements of specific workflow tasks. Technology trends in software development ...
297
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SIGMOD
2006
ACM
16 years 7 months ago
2006
ACM
Ontologies are increasingly used to represent the intended real-world semantics of data and services in information systems. Unfortunately, different data sources often do not rel...
268
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Web Service Technology has been developing rapidly as it provides a flexible application-to-application interaction mechanism. Several ongoing research efforts focus on various as...
271
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
167
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...