550 search results - page 67 / 110 » An Expressive Language for Linear Spatial Database Queries |
DBSEC
2009
13 years 9 months ago
2009
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 in an access control ...
WIDM
2003
ACM
14 years 1 months ago
2003
ACM
Storage techniques and queries over XML databases are being widely studied. Most works store XML documents in traditional DBMSs in order to take advantage of a well established te...
VLDB
1995
ACM
14 years 7 days ago
1995
ACM
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, l...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
In a publish-subscribe system based on filtering of XML documents, subscribers specify their interests with profiles expressed in the XPath language. The system processes a stre...
LATIN
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. We present a probability logic (essentially a first order language extended with quantifiers that count the fraction of elements in a model that satisfy a first order ...