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RSCTC
2000
Springer
185views Fuzzy Logic» more  RSCTC 2000»
13 years 11 months ago
A Comparison of Several Approaches to Missing Attribute Values in Data Mining
: In the paper nine different approaches to missing attribute values are presented and compared. Ten input data files were used to investigate the performance of the nine methods t...
Jerzy W. Grzymala-Busse, Ming Hu
KAIS
2006
110views more  KAIS 2006»
13 years 7 months ago
Multi-step density-based clustering
Abstract. Data mining in large databases of complex objects from scientific, engineering or multimedia applications is getting more and more important. In many areas, complex dista...
Stefan Brecheisen, Hans-Peter Kriegel, Martin Pfei...
TIFS
2008
129views more  TIFS 2008»
13 years 7 months ago
On Empirical Recognition Capacity of Biometric Systems Under Global PCA and ICA Encoding
Performance of biometric-based recognition systems depends on various factors: database quality, image preprocessing, encoding techniques, etc. Given a biometric database and a se...
Natalia A. Schmid, Francesco Nicolo
DASFAA
2007
IEEE
208views Database» more  DASFAA 2007»
14 years 2 months ago
Probabilistic Nearest-Neighbor Query on Uncertain Objects
Nearest-neighbor queries are an important query type for commonly used feature databases. In many different application areas, e.g. sensor databases, location based services or fac...
Hans-Peter Kriegel, Peter Kunath, Matthias Renz
VLDB
2006
ACM
490views Database» more  VLDB 2006»
15 years 7 months ago
The New Casper: Query Processing for Location Services without Compromising Privacy
This paper tackles a major privacy concern in current location-based services where users have to continuously report their locations to the database server in order to obtain the ...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref