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CIKM
2004
Springer
14 years 2 months ago
Extending and inferring functional dependencies in schema transformation
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
Qi He, Tok Wang Ling
LATIN
2004
Springer
14 years 1 months ago
Approximating the Expressive Power of Logics in Finite Models
Abstract. We present a probability logic (essentially a first order language extended with quantifiers that count the fraction of elements in a model that satisfy a first order ...
Argimiro Arratia, Carlos E. Ortiz
CP
2003
Springer
14 years 1 months ago
Open Constraint Optimization
Constraint satisfaction has been applied with great success in closed-world scenarios, where all options and constraints are known from the beginning and fixed. With the internet,...
Boi Faltings, Santiago Macho-Gonzalez
ICDT
2003
ACM
150views Database» more  ICDT 2003»
14 years 1 months ago
Bioinformatics Adventures in Database Research
Informatics has helped launch molecular biology into the genomic era. It appears certain that informatics will remain a major contributor to molecular biology in the post-genome er...
Jinyan Li, See-Kiong Ng, Limsoon Wong
WECWIS
2002
IEEE
136views ECommerce» more  WECWIS 2002»
14 years 1 months ago
XML-based Advanced UDDI Search Mechanism for B2B Integration
Exploring an appropriate business application published as a Web Service in the UDDI registry is a critical issue. Search for such an application should be effective in terms of t...
Liang-Jie Zhang, Haifei Li, Henry Chang, Tian Chao