495 search results - page 2 / 99 » Data exchange: computing cores in polynomial time |
ICDT
2012
ACM
11 years 8 months ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
FSTTCS
2005
Springer
13 years 12 months ago
2005
Springer
Abstract. We consider exchange economies where the traders’ preferences are expressed in terms of the extensively used constant elasticity of substitution (CES) utility functions...
CNHPCA
2009
Springer
14 years 27 days ago
2009
Springer
A scalable parallel solver is developed to simulate the Earth’s core convection. With the help from the “multiphysics” data structure and the restricted additive Schwarz prec...
PDCAT
2009
Springer
14 years 26 days ago
2009
Springer
Abstract— In symbolic computation, polynomial multiplication is a fundamental operation akin to matrix multiplication in numerical computation. We present efficient implementati...
SIGMOD
2009
ACM
14 years 6 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...