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» Typed Query Languages for Databases Containing Queries
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CCS
2008
ACM
13 years 10 months ago
A formal framework for reflective database access control policies
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...
Lars E. Olson, Carl A. Gunter, P. Madhusudan
JASIS
2002
75views more  JASIS 2002»
13 years 8 months ago
A typed text retrieval query language for XML documents
Dario Colazzo, Carlo Sartiani, Antonio Albano, Pao...
PODS
2010
ACM
159views Database» more  PODS 2010»
13 years 10 months ago
On probabilistic fixpoint and Markov chain query languages
We study highly expressive query languages such as datalog, fixpoint, and while-languages on probabilistic databases. We generalize these languages such that computation steps (e....
Daniel Deutch, Christoph Koch, Tova Milo
MMDB
2003
ACM
178views Multimedia» more  MMDB 2003»
14 years 1 months ago
Video query processing in the VDBMS testbed for video database research
The increased use of video data sets for multimedia-based applications has created a demand for strong video database support, including efficient methods for handling the content...
Walid G. Aref, Moustafa A. Hammad, Ann Christine C...
ICDE
2011
IEEE
263views Database» more  ICDE 2011»
13 years 12 days ago
Adding regular expressions to graph reachability and pattern queries
—It is increasingly common to find graphs in which edges bear different types, indicating a variety of relationships. For such graphs we propose a class of reachability queries ...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Ying...