20024 search results - page 420 / 4005 » Database Management Systems |
157
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PODS
2007
ACM
16 years 5 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...
142
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SWS
2004
ACM
15 years 10 months ago
2004
ACM
W3C Recommendations XML Encryption and XML-Digital Signature can be used to protect the confidentiality of and provide assurances about the integrity of XML documents transmitted...
132
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IRI
2007
IEEE
15 years 11 months ago
2007
IEEE
We describe a new framework for building a system that consists of tools and services for supporting Cyberinfrastructure based scientific research. This system, called the Semanti...
135
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ECIS
2001
15 years 6 months ago
2001
This paper argues for a return to fundamentals as we enter the new millennium. It argues that the field of Information Systems should no longer be distracted from its natural locu...
154
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BNCOD
1997
15 years 6 months ago
1997
Abstract. In this paper we present two improvements to the partitioning process: 1) A new dynamic bu er management strategy is employed to increase the average block size of I/O-tr...