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» The Constellation Query Language
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CIKM
2004
Springer
15 years 10 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
15 years 10 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
15 years 10 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»
15 years 10 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»
15 years 10 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