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» Managing Expressions as Data in Relational Database Systems
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KSEM
2009
Springer
16 years 1 months ago
On Optimization of Predictions in Ontology-Driven Situation Awareness
Systems supporting situation awareness in large-scale control systems, such as, e. g., encountered in the domain of road traffic management, pursue the vision of allowing human ope...
Norbert Baumgartner, Wolfgang Gottesheim, Stefan M...
DASFAA
2004
IEEE
158views Database» more  DASFAA 2004»
15 years 10 months ago
A Cost Model for Spatial Intersection Queries on RI-Trees
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
EXPDB
2006
ACM
16 years 26 days ago
Performance Study of Rollout for Multi Dimensional Clustered Tables in DB2
In data warehousing applications, the ability to efficiently delete large chunks of data from a table is very important. This feature is also known as Rollout. Rollout is generall...
Bishwaranjan Bhattacharjee
WWW
2010
ACM
16 years 5 days ago
Data summaries for on-demand queries over linked data
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
Andreas Harth, Katja Hose, Marcel Karnstedt, Axel ...
PODS
2006
ACM
137views Database» more  PODS 2006»
16 years 7 months ago
Data exchange: computing cores in polynomial time
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
Georg Gottlob, Alan Nash