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VLDB
1998
ACM
123views Database» more  VLDB 1998»
14 years 3 months ago
Diag-Join: An Opportunistic Join Algorithm for 1:N Relationships
Time of creation is one of the predominant (often implicit) clustering strategies found not only in Data Warehouse systems: line items are created together with their correspondin...
Sven Helmer, Till Westmann, Guido Moerkotte
DOLAP
2006
ACM
14 years 4 months ago
HYPE: mining hierarchical sequential patterns
Mining data warehouses is still an open problem as few approaches really take the specificities of this framework into account (e.g. multidimensionality, hierarchies, historized ...
Marc Plantevit, Anne Laurent, Maguelonne Teisseire
ACIVS
2008
Springer
14 years 5 months ago
Adaptive Metadata Management System for Distributed Video Content Analysis
Scientific advances in the development of video processing algorithms now allow various distributed and collaborative vision-based applications. However, the lack of recognised st...
C. Carincotte, Xavier Desurmont, A. Bastide
DKE
2002
107views more  DKE 2002»
13 years 10 months ago
View selection using randomized search
An important issue in data warehouse development is the selection of a set of views to materialize in order to accelerate OLAP queries, given certain space and maintenance time co...
Panos Kalnis, Nikos Mamoulis, Dimitris Papadias
DEBU
2000
108views more  DEBU 2000»
13 years 10 months ago
Data Cleaning: Problems and Current Approaches
We classify data quality problems that are addressed by data cleaning and provide an overview of the main solution approaches. Data cleaning is especially required when integratin...
Erhard Rahm, Hong Hai Do