1286 search results - page 109 / 258 » Scalable Package Queries in Relational Database Systems |
154
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ICDE
2003
IEEE
15 years 11 months ago
2003
IEEE
Data mining applications analyze large collections of set data and high dimensional categorical data. Search on these data types is not restricted to the classic problems of minin...
141
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
Abstract. We propose a mediator model for providing integrated and unified access to multiple taxonomy-based sources. Each source comprises a taxonomy and a database that indexes o...
VLDB
1994
ACM
15 years 2 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
CCS
2007
ACM
15 years 4 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 ...
162
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Directions search returns the shortest path from a source to a destination on a road network. However, the search interests of users may be exposed to the service providers, thus r...