2733 search results - page 506 / 547 » The Constellation Query Language |
SDB
1995
14 years 6 days ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
CCS
2008
ACM
13 years 10 months ago
2008
ACM
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
DEXA
2008
Springer
13 years 10 months ago
2008
Springer
Recently, a variety of workflow patterns has been proposed focusing on specific aspects like control flow, data flow, and resource assignments. Though these patterns are relevant f...
ESWS
2008
Springer
13 years 10 months ago
2008
Springer
Instant Messaging is in addition to Web and Email the most popular service on the Internet. With xOperator we demonstrate the implementation of a strategy which deeply integrates I...
ESWS
2008
Springer
13 years 10 months ago
2008
Springer
Instant Messaging (IM) is in addition to Web and Email the most popular service on the Internet. With xOperator we present a strategy and implementation which deeply integrates Ins...