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EMISA
2010
Springer
14 years 8 months ago
Investigating the Process of Process Modeling with Cheetah Experimental Platform
Abstract. When assessing the usability of BPM technologies enterprises have to rely on vendor promises or qualitative data rather than on empirical or experimental research. To add...
Jakob Pinggera, Stefan Zugal, Barbara Weber
ML
2010
ACM
147views Machine Learning» more  ML 2010»
14 years 8 months ago
An ensemble uncertainty aware measure for directed hill climbing ensemble pruning
This paper proposes a new measure for ensemble pruning via directed hill climbing, dubbed Uncertainty Weighted Accuracy (UWA), which takes into account the uncertainty of the decis...
Ioannis Partalas, Grigorios Tsoumakas, Ioannis P. ...
AAAI
2011
14 years 1 months ago
Pushing the Power of Stochastic Greedy Ordering Schemes for Inference in Graphical Models
We study iterative randomized greedy algorithms for generating (elimination) orderings with small induced width and state space size - two parameters known to bound the complexity...
Kalev Kask, Andrew Gelfand, Lars Otten, Rina Decht...
SIGIR
2004
ACM
15 years 7 months ago
A formal study of information retrieval heuristics
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...
Hui Fang, Tao Tao, ChengXiang Zhai
GECCO
2007
Springer
235views Optimization» more  GECCO 2007»
15 years 7 months ago
Expensive optimization, uncertain environment: an EA-based solution
Real life optimization problems often require finding optimal solution to complex high dimensional, multimodal problems involving computationally very expensive fitness function e...
Maumita Bhattacharya