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» Index of Balanced Accuracy: A Performance Measure for Skewed...
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ICPR
2010
IEEE
13 years 4 months ago
The Balanced Accuracy and Its Posterior Distribution
—Evaluating the performance of a classification algorithm critically requires a measure of the degree to which unseen examples have been identified with their correct class lab...
Kay Henning Brodersen, Cheng Soon Ong, Klaas Enno ...
SDM
2007
SIAM
140views Data Mining» more  SDM 2007»
13 years 6 months ago
A General Framework for Mining Concept-Drifting Data Streams with Skewed Distributions
In recent years, there have been some interesting studies on predictive modeling in data streams. However, most such studies assume relatively balanced and stable data streams but...
Jing Gao, Wei Fan, Jiawei Han, Philip S. Yu
EUSFLAT
2009
133views Fuzzy Logic» more  EUSFLAT 2009»
13 years 2 months ago
On the Information Provided by Uncertainty Measures in the Classification of Remote Sensing Images
This paper investigates the potential information provided to the user by the uncertainty measures applied to the possibility distributions associated with the spatial units of an ...
Luisa M. S. Gonçalves, Cidália C. Fo...
WWW
2006
ACM
14 years 5 months ago
Optimizing scoring functions and indexes for proximity search in type-annotated corpora
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
Soumen Chakrabarti, Kriti Puniyani, Sujatha Das