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PODS
2008
ACM
141views Database» more  PODS 2008»
16 years 1 months ago
On the complexity of deriving schema mappings from database instances
We introduce a theoretical framework for discovering relationships between two database instances over distinct and unknown schemata. This framework is grounded in the context of ...
Pierre Senellart, Georg Gottlob
BMCBI
2007
120views more  BMCBI 2007»
15 years 1 months ago
Quantitative sequence-function relationships in proteins based on gene ontology
Background: The relationship between divergence of amino-acid sequence and divergence of function among homologous proteins is complex. The assumption that homologs share function...
Vineet Sangar, Daniel J. Blankenberg, Naomi Altman...
IJMMS
2007
142views more  IJMMS 2007»
15 years 1 months ago
Using OWL to model biological knowledge
Much has been written of the facilities for ontology building and reasoning offered for ontologies expressed in the Web Ontology Language (OWL). Less has been written about how th...
Robert Stevens, Mikel Egaña Aranguren, Katy...
SLP
1994
77views more  SLP 1994»
15 years 2 months ago
Modal Event Calculus
We consider a hierarchy of modal event calculi to represent and reason about partially ordered events. These calculi are based on the model of time and change of Kowalski and Sergo...
Iliano Cervesato, Luca Chittaro, Angelo Montanari
CIDR
2009
136views Algorithms» more  CIDR 2009»
15 years 2 months ago
The Role of Schema Matching in Large Enterprises
To date, the principal use case for schema matching research has been as a precursor for code generation, i.e., constructing mappings between schema elements with the end goal of ...
Ken Smith, Michael Morse, Peter Mork, Maya Hao Li,...