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» Aggregate Evaluability in Statistical Databases
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ADC
2008
Springer
135views Database» more  ADC 2008»
14 years 2 months ago
Faster Path Indexes for Search in XML Data
This article describes how to implement efficient memory resident path indexes for semi-structured data. Two techniques are introduced, and they are shown to be significantly fas...
Nils Grimsmo
ICDE
2010
IEEE
195views Database» more  ICDE 2010»
13 years 8 months ago
Statistics-driven workload modeling for the Cloud
— A recent trend for data-intensive computations is to use pay-as-you-go execution environments that scale transparently to the user. However, providers of such environments must...
Archana Ganapathi, Yanpei Chen, Armando Fox, Randy...
SIGMOD
2005
ACM
220views Database» more  SIGMOD 2005»
14 years 8 months ago
Sampling Algorithms in a Stream Operator
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
Theodore Johnson, S. Muthukrishnan, Irina Rozenbau...
DOLAP
2006
ACM
14 years 1 months ago
Towards a logical multidimensional model for spatial data warehousing and OLAP
Decision support systems (DSS) may be enhanced qualitatively if they are able to also deal with spatial dimensions and measures. Regardless the evident importance of using data wa...
Marcus Costa Sampaio, Andre Gomes de Sousa, Cl&aac...
SSDBM
2006
IEEE
140views Database» more  SSDBM 2006»
14 years 1 months ago
A Dynamic Mobility Histogram Construction Method Based on Markov Chains
With the recent progress of spatial information technologies and communication technologies, it has become easier to track positions of a large number of moving objects in real-ti...
Yoshiharu Ishikawa, Yoji Machida, Hiroyuki Kitagaw...