5130 search results - page 18 / 1026 » Constraint Query Languages |
JCSS
2000
13 years 7 months ago
2000
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...
ECOOP
1998
Springer
13 years 11 months ago
1998
Springer
Three nontrivial limitations of the existing JavaT M technology are considered from the viewpoint of object-oriented database technology. The limitations are: lack of support for o...
DBPL
2001
Springer
13 years 12 months ago
2001
Springer
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
ECIR
2009
Springer
13 years 5 months ago
2009
Springer
Abstract. The structural heterogeneity and complexity of XML repositories makes query formulation challenging for users who have little knowledge of XML. To assist its users, an XM...
JMLC
1997
Springer
13 years 11 months ago
1997
Springer
Abstract. We describe a system designed to provide database programming support for Oberon programmers. The system is based on a generic object-oriented data model which supports r...