Sciweavers

11 search results - page 1 / 3
» Physical Data Independence, Constraints, and Optimization wi...
Sort
View
VLDB
1999
ACM
89views Database» more  VLDB 1999»
13 years 9 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
VLDB
1994
ACM
152views Database» more  VLDB 1994»
13 years 8 months ago
The GMAP: A Versatile Tool for Physical Data Independence
Physical data independence is touted as a central feature of modern database systems. Both relational and object-oriented systems, however, force users to frame their queries in t...
Odysseas G. Tsatalos, Marvin H. Solomon, Yannis E....
BDA
2004
13 years 6 months ago
Tree Graph Views: On Efficient Evaluation of XQuery in an XML Mediator
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
Tuyet-Tram Dang-Ngoc, Georges Gardarin, Nicolas Tr...
STOC
2009
ACM
167views Algorithms» more  STOC 2009»
14 years 5 months ago
Universally utility-maximizing privacy mechanisms
A mechanism for releasing information about a statistical database with sensitive data must resolve a trade-off between utility and privacy. Publishing fully accurate information ...
Arpita Ghosh, Tim Roughgarden, Mukund Sundararajan
BXML
2004
13 years 6 months ago
Telephony Interface of the ExtraPlanT Multi-agent Production Planning System
: ExtraPlanT system is a multi-agent production planning system designed for small factories, which needs to react quickly on market changes. To deal with this requirement, ExtraPl...
Petr Becvár, Michal Pechoucek, Lubos Sm&iac...