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AAAI
2004
14 years 9 days ago
SenseClusters - Finding Clusters that Represent Word Senses
SenseClusters is a freely available word sense discrimination system that takes a purely unsupervised clustering approach. It uses no knowledge other than what is available in a r...
Amruta Purandare, Ted Pedersen
AAAI
2004
14 years 9 days ago
Solving Generalized Semi-Markov Decision Processes Using Continuous Phase-Type Distributions
We introduce the generalized semi-Markov decision process (GSMDP) as an extension of continuous-time MDPs and semi-Markov decision processes (SMDPs) for modeling stochastic decisi...
Håkan L. S. Younes, Reid G. Simmons
AAAI
2004
14 years 9 days ago
A Robotic Wayfinding System for the Visually Impaired
We present an emerging indoor assisted navigation system for the visually impaired. The core of the system is a mobile robotic base with a sensor suite mounted on it. The sensor s...
Vladimir A. Kulyukin, Chaitanya Gharpure, Pradnya ...
AAAI
2004
14 years 9 days ago
An Instance-Based State Representation for Network Repair
We describe a formal framework for diagnosis and repair problems that shares elements of the well known partially observable MDP and cost-sensitive classification models. Our cost...
Michael L. Littman, Nishkam Ravi, Eitan Fenson, Ri...
AAAI
2004
14 years 9 days ago
The General Motors Variation-Reduction Adviser: Deployment Issues for an AI Application
The General Motors Variation-Reduction Adviser is a knowledge system built on case-based reasoning principles that is currently in use in a dozen General Motors Assembly Centers. ...
Alexander P. Morgan, John A. Cafeo, Kurt Godden, R...