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» A Pattern Mining Approach Using QVT
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JDM
2007
99views more  JDM 2007»
14 years 11 months ago
Semantic Integration and Knowledge Discovery for Environmental Research
Environmental research and knowledge discovery both require extensive use of data stored in various sources and created in different ways for diverse purposes. We describe a new m...
Zhiyuan Chen, Aryya Gangopadhyay, George Karabatis...
ICDM
2003
IEEE
134views Data Mining» more  ICDM 2003»
15 years 5 months ago
Probabilistic User Behavior Models
We present a mixture model based approach for learning individualized behavior models for the Web users. We investigate the use of maximum entropy and Markov mixture models for ge...
Eren Manavoglu, Dmitry Pavlov, C. Lee Giles
NLDB
2007
Springer
15 years 5 months ago
Large-Scale Knowledge Acquisition from Botanical Texts
Free text botanical descriptions contained in printed floras can provide a wealth of valuable scientific information. In spite of this richness, these texts have seldom been anal...
François Role, Milagros Fernandez Gavilanes...
KDD
2007
ACM
191views Data Mining» more  KDD 2007»
16 years 4 days ago
Modeling relationships at multiple scales to improve accuracy of large recommender systems
The collaborative filtering approach to recommender systems predicts user preferences for products or services by learning past useritem relationships. In this work, we propose no...
Robert M. Bell, Yehuda Koren, Chris Volinsky
BMCBI
2010
144views more  BMCBI 2010»
14 years 12 months ago
Identifying overrepresented concepts in gene lists from literature: a statistical approach based on Poisson mixture model
Background: Large-scale genomic studies often identify large gene lists, for example, the genes sharing the same expression patterns. The interpretation of these gene lists is gen...
Xin He, Moushumi Sen Sarma, Xu Ling, Brant W. Chee...