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EDBT
2011
ACM
199views Database» more  EDBT 2011»
12 years 9 months ago
Finding closed frequent item sets by intersecting transactions
Most known frequent item set mining algorithms work by enumerating candidate item sets and pruning infrequent candidates. An alternative method, which works by intersecting transa...
Christian Borgelt, Xiaoyuan Yang, Rubén Nog...
TKDE
2012
253views Formal Methods» more  TKDE 2012»
11 years 7 months ago
Horizontal Aggregations in SQL to Prepare Data Sets for Data Mining Analysis
—Preparing a data set for analysis is generally the most time consuming task in a data mining project, requiring many complex SQL queries, joining tables and aggregating columns....
Carlos Ordonez, Zhibo Chen 0002
AVI
2004
13 years 6 months ago
CircleView: a new approach for visualizing time-related multidimensional data sets
This paper introduces a new approach for visualizing multidimensional time-referenced data sets, called Circle View. The Circle View technique is a combination of hierarchical vis...
Daniel A. Keim, Jörn Schneidewind, Mike Sips
GIS
2005
ACM
14 years 6 months ago
Automatic extraction of road intersections from raster maps
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
Yao-Yi Chiang, Craig A. Knoblock, Ching-Chien Chen
VMV
2004
165views Visualization» more  VMV 2004»
13 years 6 months ago
Fast and Accurate Ray-Voxel Intersection Techniques for Iso-Surface Ray Tracing
Visualizing iso-surfaces of volumetric data sets is becoming increasingly important for many practical applications. One crucial task in iso-surface ray tracing is to find the cor...
Gerd Marmitt, Andreas Kleer, Ingo Wald, Heiko Frie...