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» Query Processing Using Ontologies
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ADC
2007
Springer
145views Database» more  ADC 2007»
15 years 11 months ago
Selectivity Estimation by Batch-Query based Histogram and Parametric Method
Histograms are used extensively for selectivity estimation and approximate query processing. Workloadaware dynamic histograms can self-tune itself based on query feedback without ...
Jizhou Luo, Xiaofang Zhou, Yu Zhang, Heng Tao Shen...
UML
2004
Springer
15 years 10 months ago
Query Models
The need for querying software artifacts is a new emerging design issue in modern software development. Novel techniques such as Model-Driven Architecture or Aspect-Oriented Softwa...
Dominik Stein, Stefan Hanenberg, Rainer Unland
SIGMOD
2006
ACM
170views Database» more  SIGMOD 2006»
16 years 4 months ago
Energy-efficient monitoring of extreme values in sensor networks
Monitoring extreme values (MAX or MIN) is a fundamental problem in wireless sensor networks (and in general, complex dynamic systems). This problem presents very different algorit...
Adam Silberstein, Jun Yang 0001, Kamesh Munagala
BNCOD
2007
151views Database» more  BNCOD 2007»
15 years 6 months ago
Compressed Materialised Views of Semi-Structured Data
Query performance issues over semi-structured data have led to the emergence of materialised XML views as a means of restricting the data structure processed by a query. However p...
Richard Gourlay, Brian Tripney, John N. Wilson
SAC
2008
ACM
15 years 4 months ago
Trajectory retrieval with latent semantic analysis
The problem of trajectory similarity has been recently attracted research interest considerably, due to its importance in diverse fields. In this work, we study trajectory similar...
Apostolos N. Papadopoulos