210 search results - page 10 / 42 » Complex Group-By Queries for XML |
SIGMOD
2010
ACM
13 years 3 months ago
2010
ACM
Probabilistic processes appear naturally in various contexts, with applications to Business Processes, XML data management and more. Many models for specifying and querying such p...
WEBI
2001
Springer
14 years 1 months ago
2001
Springer
In the proposed data model for XML databases, an XML element is directly represented as a ground (variable-free) XML expression—a generalization of an XML element by incorporatio...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
XML database systems are expected to handle increasingly complex queries over increasingly large and highly structured XML databases. An important problem that needs to be solved ...
PODS
2010
ACM
14 years 1 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...