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VLDB
2004
ACM
118views Database» more  VLDB 2004»
15 years 11 months ago
Object Fusion in Geographic Information Systems
Given two geographic databases, a fusion algorithm should produce all pairs of corresponding objects (i.e., objects that represent the same real-world entity). Four fusion algorit...
Catriel Beeri, Yaron Kanza, Eliyahu Safra, Yehoshu...
CDC
2009
IEEE
161views Control Systems» more  CDC 2009»
15 years 11 months ago
Network structure preserving model reduction with weak a priori structural information
— This paper extends a state projection method for structure preserving model reduction to situations where only a weaker notion of system structure is available. This weaker not...
Enoch Yeung, Jorge M. Goncalves, Henrik Sandberg, ...
MFDBS
1991
125views Database» more  MFDBS 1991»
15 years 10 months ago
A Relational Algebra for Complex Objects Based on Partial Information
We study an approach to relational databases which treats relations not as subsets of a Cartesian product but as subsets of some domain { a partially ordered space of descriptions...
Leonid Libkin
RIAO
2007
15 years 7 months ago
Using Markov Chains to Exploit Word Relationships in Information Retrieval
Document expansion and query expansion aim to add related terms into document and query representations in order to make them more complete. However, most previous studies are lim...
Guihong Cao, Jian-Yun Nie, Jing Bai
FUIN
2007
85views more  FUIN 2007»
15 years 6 months ago
Entropies and Co-Entropies of Coverings with Application to Incomplete Information Systems
Different generalizations to the case of coverings of the standard approach to entropy applied to partitions of a finite universe X are explored. In the first approach any cover...
Daniela Bianucci, Gianpiero Cattaneo, Davide Ciucc...