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SIGMOD
1999
ACM
135views Database» more  SIGMOD 1999»
15 years 8 months ago
Improving OLTP Data Quality Using Data Warehouse Mechanisms
Research and products for the integration of heterogeneous legacy source databases in data warehousing have addressed numerous data quality problems in or between the sources. Suc...
Matthias Jarke, Christoph Quix, Guido Blees, Dirk ...
CORR
2002
Springer
187views Education» more  CORR 2002»
15 years 3 months ago
Answer Sets for Consistent Query Answering in Inconsistent Databases
A relational database is inconsistent if it does not satisfy a given set of integrity constraints. Nevertheless, it is likely that most of the data in it is consistent with the co...
Marcelo Arenas, Leopoldo E. Bertossi, Jan Chomicki
COMGEO
2010
ACM
15 years 1 months ago
A new paradigm for integrated environmental monitoring
The vision of an integrated Earth observation system to help protect and sustain the planet and its inhabitants is significant and timely, and thus has been identified recently by...
Kevin Montgomery, Carsten W. Mundt
PIMRC
2008
IEEE
15 years 10 months ago
Opportunistic interference alignment in MIMO interference channels
Abstract—We present two interference alignment techniques such that an opportunistic point-to-point multiple input multiple output (MIMO) link can reuse, without generating any a...
Samir Medina Perlaza, Mérouane Debbah, Sams...
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SDM
2008
SIAM
140views Data Mining» more  SDM 2008»
15 years 5 months ago
Creating a Cluster Hierarchy under Constraints of a Partially Known Hierarchy
Although clustering under constraints is a current research topic, a hierarchical setting, in which a hierarchy of clusters is the goal, is usually not considered. This paper trie...
Korinna Bade, Andreas Nürnberger