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CORR
2007
Springer
134views Education» more  CORR 2007»
15 years 6 months ago
Web data modeling for integration in data warehouses
In a data warehousing process, the data preparation phase is crucial. Mastering this phase allows substantial gains in terms of time and performance when performing a multidimensio...
Sami Miniaoui, Jérôme Darmont, Omar B...
GD
2004
Springer
15 years 12 months ago
3D Visualization of Semantic Metadata Models and Ontologies
Abstract. We propose an algorithm for the 3D visualization of general ontology models used in many applications, such as semantic web, entity-relationship diagrams and other databa...
Charalampos Papamanthou, Ioannis G. Tollis, Martin...
ICCS
2007
Springer
16 years 22 days ago
Pushing Frequency Constraint to Utility Mining Model
Traditional association rules mining (ARM) only concerns the frequency of itemsets, which may not bring large amount of profit. Utility mining only focuses on itemsets with high ut...
Jing Wang, Ying Liu, Lin Zhou, Yong Shi, Xingquan ...
IDEAS
2009
IEEE
232views Database» more  IDEAS 2009»
16 years 1 months ago
RDFKB: efficient support for RDF inference queries and knowledge management
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...
James P. McGlothlin, Latifur R. Khan
IDEAS
2005
IEEE
80views Database» more  IDEAS 2005»
16 years 5 days ago
Dynamic Histograms for Non-Stationary Updates
In this paper, we address the problem of incrementally maintaining a histogram in response to a non-stationary update process. In relational database systems, this problem can occ...
Elizabeth Lam, Kenneth Salem