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VLDB
2011
ACM
245views Database» more  VLDB 2011»
13 years 5 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
CPAIOR
2007
Springer
14 years 4 months ago
Generalizations of the Global Cardinality Constraint for Hierarchical Resources
Abstract. We propose generalizations of the Global Cardinality Constraint (gcc) in which a partition of the variables is given. In the context of resource allocation problems, such...
Alessandro Zanarini, Gilles Pesant
ECAI
2004
Springer
14 years 3 months ago
A General Recursive Schema for Argumentation Semantics
Abstract. In argumentation theory, Dung’s abstract framework provides a unifying view of several alternative semantics based on the notion of extension. Recently, a new semantics...
Pietro Baroni, Massimiliano Giacomin
ICTAI
1994
IEEE
14 years 2 months ago
A Knowledge Representation System for Integration of General and Case-Specific Knowledge
Combining various knowledge types - and reasoning methods - in knowledge-based systems is a challenge to the knowledge representation task. The paper describes an object-oriented,...
Agnar Aamodt
NETWORKS
2006
13 years 10 months ago
A bidirected generalization of network matrices
We define binet matrices, which furnish a direct generalization of totally unimodular network matrices and arise from the node-edge incidence matrices of bidirected graphs in the ...
Gautam Appa, Balázs Kotnyek