35 search results - page 3 / 7 » WOL: A Language for Database Transformations and Constraints |
DBPL
2001
Springer
13 years 11 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...
ER
2000
Springer
13 years 10 months ago
2000
Springer
A business process model represents the basic building block for a workflow-enabled enterprise information system. Generally, a process model evolves through numerous changes durin...
VLDB
1993
ACM
13 years 11 months ago
1993
ACM
The enforcement of semantic integrity constraints in data and knowledge bases constitutea a major performance bottleneck. Integrity constraint simplification methods aim at reduci...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
We present a technique for refining the design of relational storage for XML data based on XML key propagation. Three algorithms are presented: one checks whether a given function...
ICST
2008
IEEE
14 years 1 months ago
2008
IEEE
Testing remains a major challenge for model transformation development. Test models that are used as test data for model transformations, are constrained by various sources of kno...