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VLDB
1999
ACM
140views Database» more  VLDB 1999»
14 years 3 months ago
Combining Histograms and Parametric Curve Fitting for Feedback-Driven Query Result-size Estimation
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
Arnd Christian König, Gerhard Weikum
SIGMOD
1998
ACM
117views Database» more  SIGMOD 1998»
14 years 3 months ago
The Pyramid-Technique: Towards Breaking the Curse of Dimensionality
In this paper, we propose the Pyramid-Technique, a new indexing method for high-dimensional data spaces. The PyramidTechnique is highly adapted to range query processing using the...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
VLDB
1998
ACM
192views Database» more  VLDB 1998»
14 years 3 months ago
Algorithms for Mining Distance-Based Outliers in Large Datasets
This paper deals with finding outliers (exceptions) in large, multidimensional datasets. The identification of outliers can lead to the discovery of truly unexpected knowledge in ...
Edwin M. Knorr, Raymond T. Ng
SIGMOD
1997
ACM
127views Database» more  SIGMOD 1997»
14 years 3 months ago
Fast Parallel Similarity Search in Multimedia Databases
Most similarity search techniques map the data objects into some high-dimensional feature space. The similarity search then corresponds to a nearest-neighbor search in the feature...
Stefan Berchtold, Christian Böhm, Bernhard Br...
EURODAC
1994
IEEE
209views VHDL» more  EURODAC 1994»
14 years 3 months ago
MOS VLSI circuit simulation by hardware accelerator using semi-natural models
- The accelerator is destined to circuit-level simulation of digital and analog/digital MOS VLSI'c containing of up to 100 thousand transistors (with 16 Mb RAM host-machine). ...
Victor V. Denisenko