A stochastic case frame approach for natural language understanding
A stochastic case frame approach for natural language understanding
复制标题
自然语言理解的随机案例框架方法
DOI:
10.1109/icslp.1996.607775
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发表时间:
1996
期刊:
影响因子:
--
通讯作者:
J. Gauvain
中科院分区:
文献类型:
--
作者:
W. Minker;S. Bennacef;J. Gauvain
A stochastically based approach for the semantic analysis component of a natural spoken language system for the ARPA Air Travel Information Services (ATIS) task has been developed. The semantic analyzer of the spoken language system already in use at LIMSI makes use of a rule-based case grammar. In this work, the system of rules for the semantic analysis is replaced with a relatively simple first-order hidden Markov model. The performances of the two approaches can be compared because they use identical semantic representations, despite their rather different methods for meaning extraction. We use an evaluation methodology that assesses performance at different semantic levels, including the database response comparison used in the ARPA ATIS paradigm.