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» A Foundational View on Integration Problems
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Publication
519views
14 years 3 days ago
The Finite Volume, Finite Difference, and Finite Elements Methods as Numerical Methods for Physical Field Problems
I. Introduction II. Foundations A. The Mathematical Structure of Physical Field Theories B. Geometric Objects and Orientation 1. Space-Time Object...
Claudio Mattiussi
PODS
1997
ACM
149views Database» more  PODS 1997»
15 years 6 months ago
Answering Recursive Queries Using Views
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
Oliver M. Duschka, Michael R. Genesereth
ICDE
1997
IEEE
166views Database» more  ICDE 1997»
16 years 3 months ago
Multiple View Consistency for Data Warehousing
A data warehouse stores integrated information from multiple distributed data sources. In effect, the warehouse stores materialized views over the source data. The problem of ensu...
Yue Zhuge, Hector Garcia-Molina, Janet L. Wiener
CAISE
2004
Springer
15 years 7 months ago
A Model-based Ontology of the Software Interoperability Problem: Preliminary Results
Interoperability usually refers to software system communication. Although there is no widely accepted definition, and therefore no common understanding of the context, there are m...
Vincent Rosener, Thibaud Latour, Eric Dubois
SODA
2003
ACM
133views Algorithms» more  SODA 2003»
15 years 3 months ago
Integrality ratio for group Steiner trees and directed steiner trees
The natural relaxation for the Group Steiner Tree problem, as well as for its generalization, the Directed Steiner Tree problem, is a flow-based linear programming relaxation. We...
Eran Halperin, Guy Kortsarz, Robert Krauthgamer, A...