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NIPS
2001
15 years 5 months ago
The Infinite Hidden Markov Model
We show that it is possible to extend hidden Markov models to have a countably infinite number of hidden states. By using the theory of Dirichlet processes we can implicitly integ...
Matthew J. Beal, Zoubin Ghahramani, Carl Edward Ra...
MAICS
2003
15 years 5 months ago
Grounded Concept Development Using Introspective Atoms
In this paper we present a system that uses its underlying physiology, a hierarchical memory and a collection of memory management algorithms to learn concepts as cases and to bui...
Eric G. Berkowitz, Brian E. Mastenbrook
JMLR
2006
90views more  JMLR 2006»
15 years 4 months ago
Superior Guarantees for Sequential Prediction and Lossless Compression via Alphabet Decomposition
We present worst case bounds for the learning rate of a known prediction method that is based on hierarchical applications of binary context tree weighting (CTW) predictors. A heu...
Ron Begleiter, Ran El-Yaniv
EMNLP
2010
15 years 2 months ago
Unsupervised Induction of Tree Substitution Grammars for Dependency Parsing
Inducing a grammar directly from text is one of the oldest and most challenging tasks in Computational Linguistics. Significant progress has been made for inducing dependency gram...
Phil Blunsom, Trevor Cohn
ETS
2000
IEEE
141views Hardware» more  ETS 2000»
15 years 4 months ago
Web-Supported Emergent-Collaboration In Higher Education Courses
This study focused on the integration of a Web shell for supporting emergent-collaboration activities in six graduate courses (115 students) in the Tel-Aviv University School of E...
Rafi Nachmias, David Mioduser, Avigail Oren, Judit...