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SAC
2006
ACM
16 years 20 days ago
Discretization from data streams: applications to histograms and data mining
Abstract. In this paper we propose a new method to perform incremental discretization. The basic idea is to perform the task in two layers. The first layer receives the sequence o...
João Gama, Carlos Pinto
189
Voted
DASFAA
1999
IEEE
90views Database» more  DASFAA 1999»
15 years 11 months ago
Spatial Presentation and Aggregation of Georeferenced Data
In this paper, we will introduce a method of spatial presentation of georeferenced data in a three-dimensional space. Photographs, Quicktime VR's, videos, and computer graphi...
Kengo Koiso, Takahiro Matsumoto, Katsumi Tanaka
PAKDD
2007
ACM
140views Data Mining» more  PAKDD 2007»
16 years 25 days ago
A Hybrid Multi-group Privacy-Preserving Approach for Building Decision Trees
In this paper, we study the privacy-preserving decision tree building problem on vertically partitioned data. We made two contributions. First, we propose a novel hybrid approach, ...
Zhouxuan Teng, Wenliang Du
ICDE
2007
IEEE
172views Database» more  ICDE 2007»
16 years 1 months ago
A New Data Cube for Integrating Data Mining and OLAP
Recently there is much need of discovering useful knowledge from massive log-data which are generated by Webbased information systems. Such log-data have multiple attributes about...
Tadashi Ohmori, Masahide Naruse, Mamoru Hoshi
PPPJ
2003
ACM
15 years 12 months ago
A Java implemented key collision attack on the data encryption standard (DES)
A Java implementation of a key collision attack on DES suggested by Eli Biham, [1], is discussed. Storage space minimization and fast searching techniques to speed up the attack a...
John Loughran, Tom Dowling