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» Probabilistic Ontologies and Relational Databases
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ICDE
2003
IEEE
145views Database» more  ICDE 2003»
14 years 8 months ago
PXML: A Probabilistic Semistructured Data Model and Algebra
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
Edward Hung, Lise Getoor, V. S. Subrahmanian
OWLED
2008
13 years 8 months ago
Enhancing Web Portals with Ontology-Based Data Access: The Case Study of South Africa's Accessibility Portal for People with Dis
Abstract. Web portal software is relatively easy to set up and populate from the perspective of the end-user, but it leaves the back-end database devoid of subject domain semantics...
C. Maria Keet, Ronell Alberts, Aurona Gerber, Gibs...
ADBIS
2007
Springer
171views Database» more  ADBIS 2007»
14 years 29 days ago
Quete: Ontology-Based Query System for Distributed Sources
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
Haridimos Kondylakis, Anastasia Analyti, Dimitris ...
MLDM
2007
Springer
14 years 27 days ago
Transductive Learning from Relational Data
Transduction is an inference mechanism “from particular to particular”. Its application to classification tasks implies the use of both labeled (training) data and unlabeled (...
Michelangelo Ceci, Annalisa Appice, Nicola Barile,...
ER
2005
Springer
134views Database» more  ER 2005»
14 years 9 days ago
Spatial Relations for Semantic Similarity Measurement
Measuring semantic similarity among concepts is the core method for assessing the degree of semantic interoperability within and between ontologies. In this paper, we propose to ex...
Angela Schwering, Martin Raubal