464 search results - page 61 / 93 » Authorisation Using Attributes from Multiple Authorities |
195
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
The ability to store and query uncertain information is of great benefit to databases that infer values from a set of observations, including databases of moving objects, sensor r...
108
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ICNP
2006
IEEE
15 years 3 months ago
2006
IEEE
— Peer-to-peer (P2P) systems have been widely used for exchange of voluminous information and resources among thousands or even millions of users. Since shared data are normally ...
KDD
2002
ACM
15 years 10 months ago
2002
ACM
The task of object identification occurs when integrating information from multiple websites. The same data objects can exist in inconsistent text formats across sites, making it ...
ER
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...
ICDE
2011
IEEE
14 years 1 months ago
2011
IEEE
— Many real-world applications deal with uncertain or missing data, prompting a surge of activity in the area of probabilistic databases. A shortcoming of prior work is the assum...