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» Phenomenal Data Mining: From Data to Phenomena
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SAC
2011
ACM
14 years 8 months ago
A quasi-Newton acceleration for high-dimensional optimization algorithms
Abstract In many statistical problems, maximum likelihood estimation by an EM or MM algorithm suffers from excruciatingly slow convergence. This tendency limits the application of ...
Hua Zhou, David Alexander, Kenneth Lange
SEMWEB
2010
Springer
14 years 11 months ago
Auto-experimentation of KDD Workflows Based on Ontological Planning
One of the problems of Knowledge Discovery in Databases (KDD) is the lack of user support for solving KDD problems. Current Data Mining (DM) systems enable the user to manually des...
Floarea Serban
ICWSM
2009
14 years 11 months ago
You Are Where You Edit: Locating Wikipedia Contributors through Edit Histories
Whether knowingly or otherwise, Wikipedia contributors reveal their interests and expertise through their contribution patterns. An analysis of Wikipedia edit histories shows that...
Michael D. Lieberman, Jimmy Lin
COLING
2010
14 years 8 months ago
A Logistic Regression Model of Determiner Omission in PPs
The realization of singular count nouns without an accompanying determiner inside a PP (determinerless PP, bare PP, Preposition-Noun Combination) has recently attracted some inter...
Tibor Kiss, Katja Keßelmeier, Antje Mül...
CORR
2011
Springer
175views Education» more  CORR 2011»
14 years 5 months ago
Heuristic Algorithm for Interpretation of Non-Atomic Categorical Attributes in Similarity-based Fuzzy Databases - Scalability Ev
- In this work we are analyzing scalability of the heuristic algorithm we used in the past [1-4] to discover knowledge from multi-valued symbolic attributes in fuzzy databases. The...
M. Shahriar Hossain, Rafal A. Angryk