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» Performance Evaluation on a Real-Time Database
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SSD
1999
Springer
106views Database» more  SSD 1999»
15 years 8 months ago
XZ-Ordering: A Space-Filling Curve for Objects with Spatial Extension
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
Christian Böhm, Gerald Klump, Hans-Peter Krie...
EDBT
2011
ACM
199views Database» more  EDBT 2011»
14 years 7 months ago
Predicting completion times of batch query workloads using interaction-aware models and simulation
A question that database administrators (DBAs) routinely need to answer is how long a batch query workload will take to complete. This question arises, for example, while planning...
Mumtaz Ahmad, Songyun Duan, Ashraf Aboulnaga, Shiv...
BMCBI
2008
116views more  BMCBI 2008»
15 years 4 months ago
MScanner: a classifier for retrieving Medline citations
Background: Keyword searching through PubMed and other systems is the standard means of retrieving information from Medline. However, ad-hoc retrieval systems do not meet all of t...
Graham L. Poulter, Daniel L. Rubin, Russ B. Altman...
WWW
2003
ACM
16 years 4 months ago
High-performance spatial indexing for location-based services
Much attention has been accorded to Location-Based Services and location tracking, a necessary component in active, trigger-based LBS applications. Tracking the location of a larg...
Jussi Myllymaki, James H. Kaufman
132
Voted
JASIS
2008
121views more  JASIS 2008»
15 years 3 months ago
Experiments with transitive dictionary translation and pseudo-relevance feedback using graded relevance assessments
Research on cross-language information retrieval (CLIR) has typically been restricted to settings using binary relevance assessments. In this paper, we present evaluation results f...
Raija Lehtokangas, Heikki Keskustalo, Kalervo J&au...