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191
Voted
ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...
186
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CCS
2007
ACM
16 years 1 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
205
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VLDB
2004
ACM
16 years 6 days ago
2004
ACM
The Web is becoming a universal information dissemination medium, due to a number of factors including its support for content dynamicity. A growing number of Web information prov...
189
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COOPIS
2003
IEEE
16 years 5 days ago
2003
IEEE
Ontologies as means for formally specifying the vocabulary and relationship of concepts are seen playing a key role on the Semantic Web. However, the Web’s distributed nature mak...
204
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SSPR
1998
Springer
15 years 11 months ago
1998
Springer
Abstract. The increase in accessability to on-line visual data has promoted the interest in browsing and retrieval of images from Image Databases. Current approaches assume either ...