2516 search results - page 3 / 504 » Integrity Constraints for XML |
AMW
2010
13 years 7 months ago
2010
We consider incomplete specifications of XML documents in the presence of schema information and integrity constraints. We show that integrity constraints such as keys and foreign ...
PODS
2001
ACM
14 years 5 months ago
2001
ACM
The paper investigates XML document speci cations with DTDs and integrity constraints, such as keysand foreign keys. We study the consistency problem of checking whether a given s...
WWW
2001
ACM
14 years 6 months ago
2001
ACM
Integrity constraints are an essential part of a modern schema definition language. They are useful for semantic specification, update consistency control, query optimization, inf...
EDBTW
2006
Springer
13 years 7 months ago
2006
Springer
The need for incremental constraint maintenance within collections of semi-structured documents has been ever increasing in the last years due to the widespread diffusion of XML. T...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...