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SIGMOD
2005
ACM
99views Database» more  SIGMOD 2005»
16 years 4 months ago
Query answering exploiting structural properties
We review the notion of hypertree width, a measure of the degree of cyclicity of hypergraphs that is useful for identifying and solving efficiently easy instances of hard problems...
Francesco Scarcello
ICDE
2010
IEEE
268views Database» more  ICDE 2010»
16 years 3 months ago
Techniques for Efficiently Searching in Spatial, Temporal, Spatio-temporal, and Multimedia Databases
This tutorial provides a comprehensive and comparative overview of general techniques to efficiently support similarity queries in spatial, temporal, spatio-temporal, and multimedi...
Hans-Peter Kriegel, Matthias Renz, Peer Kröge...
VLDB
2005
ACM
110views Database» more  VLDB 2005»
15 years 9 months ago
U-DBMS: A Database System for Managing Constantly-Evolving Data
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...
Reynold Cheng, Sarvjeet Singh, Sunil Prabhakar
ISMIR
2003
Springer
107views Music» more  ISMIR 2003»
15 years 9 months ago
Effectiveness of HMM-based retrieval on large databases
We have investigated the performance of a hidden Markov model QBH retrieval system on a large musical database. The database is synthetic, generated from statistics gleaned from o...
Jonah Shifrin, William P. Birmingham
DEBU
2008
63views more  DEBU 2008»
15 years 4 months ago
Quality of Service-enabled Management of Database Workloads
Database administrators struggle when managing workloads that have widely different performance requirements. For example, the same database may support short-running OLTP queries...
Stefan Krompass, Andreas Scholz, Martina-Cezara Al...