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FLAIRS
2000
14 years 11 months ago
2000
This paper presents a model for representing the pro ciency of users in a CALL system by recording their performance on speci c grammatical features. The model will be used both t...
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ICGI
2000
Springer
15 years 1 months ago
2000
Springer
A subpansive tree is a rooted tree that gives a partial order of nonterminal symbols of a context-free grammar. We formalize subpansive trees as background knowledge of CFGs, and i...
ACL
2000
14 years 11 months ago
2000
As an application of NLP to computer-assisted language learning(CALL) , we propose a diagnostic processing of Japanese being able to detect errors and inappropriateness of sentenc...
ACTA
2000
14 years 9 months ago
2000
We show in this paper that parsing with regular expressions instead of context-free grammars, when it is possible, is desirable. We present efficient algorithms for performing diff...
UAI
2000
14 years 11 months ago
2000
Techniques for plan recognition under uncertainty require a stochastic model of the plangeneration process. We introduce probabilistic state-dependent grammars (PSDGs) to represen...