16 search results - page 2 / 4 » Perm: Processing Provenance and Data on the Same Data Model ... |
PVLDB
2008
13 years 4 months ago
2008
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
DOLAP
2000
ACM
13 years 9 months ago
2000
ACM
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
ADBIS
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
VIS
2009
IEEE
14 years 6 months ago
2009
IEEE
Abstract-- Neurobiology investigates how anatomical and physiological relationships in the nervous system mediate behavior. Molecular genetic techniques, applied to species such as...
SIGMOD
2012
ACM
11 years 7 months ago
2012
ACM
It is often highly valuable for organizations to have their data analyzed by external agents. However, any program that computes on potentially sensitive data risks leaking inform...