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COOPIS
2003
IEEE
14 years 28 days ago
Ontology Based Query Processing in Database Management Systems
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
Chokri Ben Necib, Johann Christoph Freytag
ICDM
2009
IEEE
171views Data Mining» more  ICDM 2009»
13 years 5 months ago
Hybrid Clustering by Integrating Text and Citation Based Graphs in Journal Database Analysis
We propose a hybrid clustering strategy by integrating heterogeneous information sources as graphs. The hybrid clustering method is extended on the basis of modularity based Louva...
Xinhai Liu, Shi Yu, Yves Moreau, Frizo A. L. Janss...
ICDT
2012
ACM
251views Database» more  ICDT 2012»
11 years 10 months ago
Computing universal models under guarded TGDs
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
André Hernich
BNCOD
2009
97views Database» more  BNCOD 2009»
13 years 8 months ago
An XML-Based Model for Supporting Context-Aware Query and Cache Management
Abstract. Database systems (DBSs) can play an essential role in facilitating the query and cache management in context-aware mobile information systems (CAMIS). Two of the fundamen...
Essam Mansour, Hagen Höpfner
JVCIR
2010
147views more  JVCIR 2010»
13 years 6 months ago
Modeling, classifying and annotating weakly annotated images using Bayesian network
We propose a probabilistic graphical model to represent weakly annotated images1 . This model is used to classify images and automatically extend existing annotations to new image...
Sabine Barrat, Salvatore Tabbone