1004 search results - page 84 / 201 » Safe Constraint Queries |
SAC
2004
ACM
14 years 2 months ago
2004
ACM
Integrity constraints are valuable tools for enforcing consistency of data in a database. Global integrity constraints ensure integrity and consistency of data spanning multiple d...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
We present ACXESS (Access Control for XML with Enhanced Security Specifications), a system for specifying and enforcing enhanced security constraints on XML via virtual "secu...
SOCO
2010
Springer
13 years 3 months ago
2010
Springer
Abstract When searching for information about historical events, queries are naturally formulated using temporal constraints. However, the structured temporal information needed to...
SDM
2004
SIAM
13 years 10 months ago
2004
SIAM
Semi-supervised clustering uses a small amount of supervised data to aid unsupervised learning. One typical approach specifies a limited number of must-link and cannotlink constra...