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157
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AAAI
2004
15 years 7 months ago
2004
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...
147
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LEGE
2004
15 years 7 months ago
2004
In this paper we discuss the TestTool system as an established testing system model, the one that is being used in real educational settings and supports self-assessment as well as...
139
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COLING
2000
15 years 7 months ago
2000
We present an al)proach to the increnmntal accrual of lexical int'ornmtion fl)r unknown words t;hat is consl;raint-based and conll)atil)le with s(.andard unification-liased g...
160
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COGSCI
2010
15 years 6 months ago
2010
Computational models of meaning trained on naturally occurring text successfully model human performance on tasks involving simple similarity measures, but they characterize meani...
143
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DCG
2008
15 years 6 months ago
2008
We prove Helly-type theorems for line transversals to disjoint unit balls in Rd . In particular, we show that a family of n 2d disjoint unit balls in Rd has a line transversal if,...