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DOLAP
2004
ACM
15 years 10 months ago
Physical modeling of data warehouses using UML
During the few last years, several approaches have been proposed to model different aspects of a Data Warehouse (DW), such as the conceptual model of the DW, the design of the ET...
Sergio Luján-Mora, Juan Trujillo
ER
2009
Springer
79views Database» more  ER 2009»
15 years 11 months ago
Modeling Domain Variability in Requirements Engineering with Contexts
Various characteristics of the problem domain define the context in which the system is to operate and thus impact heavily on its requirements. However, most requirements specifica...
Alexei Lapouchnian, John Mylopoulos
GEOINFO
2003
15 years 6 months ago
Efficient Query Processing on the Relational Quadtree
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
KCAP
2009
ACM
15 years 11 months ago
Sharing and reusing aligned ontologies with cupboard
This demo presents the Cupboard online system for sharing and reusing ontologies linked together with alignments, and that are attached to rich metadata and reviews. Categories an...
Mathieu d'Aquin, Jérôme Euzenat, Chan...
SIGMOD
2011
ACM
218views Database» more  SIGMOD 2011»
14 years 7 months ago
A data-oriented transaction execution engine and supporting tools
Conventional OLTP systems assign each transaction to a worker thread and that thread accesses data, depending on what the transaction dictates. This thread-to-transaction work ass...
Ippokratis Pandis, Pinar Tözün, Miguel B...