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IFIP12
2008
15 years 8 months ago
A Study with Class Imbalance and Random Sampling for a Decision Tree Learning System
Sampling methods are a direct approach to tackle the problem of class imbalance. These methods sample a data set in order to alter the class distributions. Usually these methods ar...
Ronaldo C. Prati, Gustavo E. A. P. A. Batista, Mar...
146
Voted
ATAL
2005
Springer
15 years 8 months ago
Usability of dial-a-ride systems
A case study of usability of dial-a-ride bus systems is reported. We conduct a social simulation to compare efficiencies of the dial-a-ride bus systems, one of possible multiagent...
Itsuki Noda, Masayuki Ohta, Yoichiro Kumada, Kousu...
CSE
2009
IEEE
16 years 1 months ago
Socio-semantic Dynamics in a Blog Network
—The blogosphere can be construed as a knowledge network made of bloggers who are interacting through a social network to share, exchange or produce information. We claim that th...
Jean-Philippe Cointet, Camille Roth
KDD
2008
ACM
147views Data Mining» more  KDD 2008»
16 years 7 months ago
Mobile call graphs: beyond power-law and lognormal distributions
We analyze a massive social network, gathered from the records of a large mobile phone operator, with more than a million users and tens of millions of calls. We examine the distr...
Mukund Seshadri, Sridhar Machiraju, Ashwin Sridhar...
CSCW
2010
ACM
16 years 3 months ago
What's it worth to you?: the costs and affordances of CMC tools to asian and american users
In recent years, a growing number of studies examining how culture shapes computer-mediated communication (CMC) have appeared in the CHI and CSCW literature. Findings from these s...
Leslie D. Setlock, Susan R. Fussell