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KCAP
2011
ACM
14 years 4 months ago
An analysis of open information extraction based on semantic role labeling
Open Information Extraction extracts relations from text without requiring a pre-specified domain or vocabulary. While existing techniques have used only shallow syntactic featur...
Janara Christensen, Mausam, Stephen Soderland, Ore...
KDD
2009
ACM
159views Data Mining» more  KDD 2009»
16 years 2 months ago
Adapting the right measures for K-means clustering
Clustering validation is a long standing challenge in the clustering literature. While many validation measures have been developed for evaluating the performance of clustering al...
Junjie Wu, Hui Xiong, Jian Chen
AVI
2008
15 years 3 months ago
Exploring the role of individual differences in information visualization
In this paper, we describe a user study aimed at evaluating the effectiveness of two different data visualization techniques developed for describing complex environmental changes...
Cristina Conati, Heather Maclaren
TSE
2011
144views more  TSE 2011»
14 years 8 months ago
Genetic Algorithms for Randomized Unit Testing
—Randomized testing is an effective method for testing software units. Thoroughness of randomized unit testing varies widely according to the settings of certain parameters, such...
James H. Andrews, Tim Menzies, Felix Chun Hang Li
JDCTA
2010
131views more  JDCTA 2010»
14 years 8 months ago
Segmentation for Eyed Typhoon Cloud Image by Curvature and Fractal Feature
An efficient method to segment eyed typhoon from a satellite cloud image is proposed. First, original satellite cloud image is enhanced by gray transform. Second, in order to redu...
Changjiang Zhang, Xiang Zhang, Bo Yang, Ying Li