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» An Approach to Relate Viewpoints and Modeling Languages
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VLDB
2005
ACM
165views Database» more  VLDB 2005»
15 years 5 months ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
Cong Yu, Lucian Popa
ECOOP
2010
Springer
15 years 4 months ago
Capabilities for Uniqueness and Borrowing
Abstract. An important application of unique object references is safe and efficient message passing in concurrent object-oriented programming. However, to prevent the ill effects...
Philipp Haller, Martin Odersky
ICALP
1990
Springer
15 years 3 months ago
Analytic Variations on the Common Subexpression Problem
Any tree can be represented in a max/ma//y compact form as a directed acyclic graph where common subtrees are factored and shared, being represented only once. Such a compaction ca...
Philippe Flajolet, Paolo Sipala, Jean-Marc Steyaer...
WISE
2003
Springer
15 years 5 months ago
Ontology Generation from Tables
At the heart of today’s information-explosion problems are issues involving semantics, mutual understanding, concept matching, and interoperability. Ontologies and the Semantic ...
Yuri A. Tijerino, David W. Embley, Deryle W. Lonsd...
GEOINFORMATICA
2011
14 years 6 months ago
Functional description of geoprocessing services as conjunctive datalog queries
Discovery of suitable web services is a crucial task in Spatial Data Infrastructures (SDI). In this work, we develop a novel approach to the discovery of geoprocessing services (WP...
Daniel Fitzner, Jörg Hoffmann, Eva Klien