4965 search results - page 47 / 993 » A Simple Abstraction for Data Modeling |
185
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MST
2002
15 years 5 months ago
2002
Abstract. Blockwise access to data is a central theme in the design of efficient external memory (EM) algorithms. A second important issue, when more than one disk is present, is f...
171
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SIGMOD
2000
ACM
15 years 9 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
130
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SSDBM
2003
IEEE
15 years 10 months ago
2003
IEEE
It is now common to encounter communities engaged in the collaborative analysis and transformation of large quantities of data over extended time periods. We argue that these comm...
137
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DBPL
2009
Springer
16 years 1 days ago
2009
Springer
Abstract. We propose a framework in which query sizes can be estimated from arbitrary statistical assertions on the data. In its most general form, a statistical assertion states t...
154
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SP
2007
IEEE
15 years 11 months ago
2007
IEEE
Information-flow security policies are an appealing way of specifying confidentiality and integrity policies in information systems. Most previous work on language-based securit...