1967 search results - page 87 / 394 » The Case for Determinism in Database Systems |
151
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GI
2005
Springer
15 years 11 months ago
2005
Springer
: In order to reduce transmission cost mobile information system clients often cache data retrieved in a context aware manner. In the case of updates it may happen that this data b...
171
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ESWS
2009
Springer
16 years 24 days ago
2009
Springer
This proposal explores the promotion of existing relational databases to Semantic Web Endpoints. It presents the benefits of ontologybased read and write access to existing relati...
153
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CIA
1997
Springer
15 years 9 months ago
1997
Springer
Abstract. Whenever agents deal with con dential information, it is important that they comply with a principled security policy. We show how the database concept of multi-level sec...
239
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
176
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...