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GI
2007
Springer
16 years 16 days ago
Ontology Based Data Validation and Cleaning: Restructuring Operations for Ontology Maintenance
: Data validation and cleaning are integral processes of the data quality management cycle. Domain specific knowledge is needed to detect and correct semantic errors. Ontologies c...
Stefan Brüggemann, Thomas Aden
IDEAS
2006
IEEE
99views Database» more  IDEAS 2006»
16 years 12 days ago
Securing the Borealis Data Stream Engine
As data stream management systems (DSMSs) become more and more popular, there is an increasing need to protect such systems from adversaries. In this paper we present an approach ...
Wolfgang Lindner, Jörg Meier
CORR
2010
Springer
138views Education» more  CORR 2010»
15 years 6 months ago
A Logical Temporal Relational Data Model
Time is one of the most difficult aspects to handle in real world applications such as database systems. Relational database management systems proposed by Codd offer very little ...
Nadeem Mahmood, Aqil Burney, Kamran Ahsan
DOLAP
2003
ACM
15 years 11 months ago
XCube: XML for data warehouses
Wolfgang Hümmer, Andreas Bauer 0004, Gunnar H...