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KDD
1999
ACM
166views Data Mining» more  KDD 1999»
15 years 9 months ago
CACTUS - Clustering Categorical Data Using Summaries
Clustering is an important data mining problem. Most of the earlier work on clustering focussed on numeric attributes which have a natural ordering on their attribute values. Rece...
Venkatesh Ganti, Johannes Gehrke, Raghu Ramakrishn...
VTC
2010
IEEE
124views Communications» more  VTC 2010»
15 years 3 months ago
A Novel Sampling Method for the Spatial Frequencies of Sinusoid-Based Shadowing Models
Abstract—Careful modeling of the radio channel characteristics is an important issue for system level simulations. While a number of detailed path loss, shadowing and fast fading...
Siegfried Klein, Serkan Uygungelen, Christian M. M...
WECWIS
2003
IEEE
85views ECommerce» more  WECWIS 2003»
15 years 10 months ago
A Tractable Mechanism for Time Dependent Markets
Markets with time dependent goods are special cases of multi commodity markets.The design of large flexible markets with time dependent goods is a computational challenge. In thi...
Per Carlsson, Arne Andersson, Fredrik Ygge
CGA
2008
15 years 5 months ago
Legible Simplification of Textured Urban Models
Mesh simplification and discrete levels of detail (LOD) are wellstudied areas of research in computer graphics. However, until recently, most of the developed algorithms have focu...
Remco Chang, Thomas Butkiewicz, Caroline Ziemkiewi...
CEC
2008
IEEE
15 years 11 months ago
Improved Particle Swarm Optimization with low-discrepancy sequences
— Quasirandom or low discrepancy sequences, such as the Van der Corput, Sobol, Faure, Halton (named after their inventors) etc. are less random than a pseudorandom number sequenc...
Millie Pant, Radha Thangaraj, Crina Grosan, Ajith ...