natural language understanding systems

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Ngày tải lên: 31/03/2014, 17:20

... resources. 1 NL Engine Natural language processing in the Unisys natural language understanding (NLU) system (Dahl, Norton and Scholz (1998), Dahl (1992)) is done by a natural language (NL) engine ... norton,dahl,lli.beals } @tr.unisys.com Abstract Knowledge acquisition is a serious bottleneck for natural language understanding systems. For this reason, large-scale linguistic resources have been compiled ... concept names from ISI see text) 984 Integration of Large-Scale Linguistic Resources in a Natural Language Understanding System Lewis M. Norton, Deborah A. Dahl, Li Li, and Katharine P. Beals Unisys...

Ngày tải lên: 20/02/2014, 18:20

... The menu approach to natural language input has many advantages over the traditional typing approach. Most importantly, every sentence that 156 MENU-BASED NATURAL LANGUAGE UNDERSTANDING Harry ... will be guided to this paraphrase by the menus. The fact that the menu-based natural language understanding systems guide the user to the input he desires is also beneficial for two other ... transportable natural language system. Technical Note 263, SRI International, Menlo Park, California. April, 1982. Harris, L. Experience with ROBOT in 12 commercial natural language database...

Ngày tải lên: 21/02/2014, 20:20

... for Natural Language Understanding. Ph.D. thesis, New York University, September. Epstein, M., K. Papineni, S. Roukos, T. Ward, and S. Della Pietra. 1996. Statistical natural lan- guage understanding ... the Spoken Language Systems Workshop, pages 1785-1788, Madrid, Spain, September. Kuhn, R. and R. De Mori. 1995. The application of semantic classification trees to natural language understanding. ... 1991. Adaptive acquisition of language. Com- puter Speech and Language, 5:101-132. Hemphill, C., J. Godfrey, and G. Doddington. 1990. The ATIS spoken language systems pilot corpus. In Proceedings...

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Ngày tải lên: 31/03/2014, 17:20

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... UNDERSTANDING NATURAL LANGUAGE INSTRUCTIONS: THE CASE OF PURPOSE CLAUSES Barbara Di Eugenio * Department ... Proc. US- Japan Workshop on Integrated Systems in Multi- Media Environments. Las Cruces, NM, 1991. (Winograd, 1972) Terry Winograd. Understanding Nat- ural Language. Academic Press, 1972. system ... performing a certain action. The analysis of purpose clauses is relevant to the problem of understanding Nat- ural Language instructions, because: 1. Purpose clauses explicitly encode goals and their...

Ngày tải lên: 20/02/2014, 21:20

... could also be enforced by the parse preference component de- 57 GEMINI: A NATURAL LANGUAGE SYSTEM FOR SPOKEN -LANGUAGE UNDERSTANDING* John Dowding, Jean Mark Gawron, Doug Appelt, John Bear, ... Natural Language& quot;, Cog- nition, Vol. 2, No. 1, pp. 15-47. MADCOW (1992). "Multi-site Data Collection for a Spoken Language Corpus", in Proceedings of the DARPA Speech and Natural ... M., and Magerman, D. (1992). "Robust Processing of Real-World Natural- Language Texts", in Text Based Intelligent Systems, ed. P. Jacobs, Lawrence Erlbaum Associates, Hillsdale, N...

Ngày tải lên: 20/02/2014, 21:20

Ngày tải lên: 21/02/2014, 20:20

... Domain-Independent Natural Language Database Access Systems Steven P. Shvartz Cognitive Systems Inc. 234 Church Street New Haven, Ca. 06510 Zn the past decade, a number of natural lang- uage ... principle motivation for building natural language systems for database access is ~o free the user from the need for data processing instruction. A natural language front end is a step above ... domain-independent natural language access system because language understan- ding requires domain-specific world knowledge. On a theoretical level, the need for a knowledge base in a natural language...

Ngày tải lên: 21/02/2014, 20:20

... more naturally studied in some other system than in the database system. We are currently working on natural language for expert systems at Columbia and thus, expert systems provide a natural ... Natural Language for Expert Systems: Comparisons with Database Systems Kathleen R. McKeown Department of Computer Science Columbia University New York, N.Y. 10027 1 Introduction Do natural ... previous discourse. 4 Conclusions The question of whether natural language database systems still provide a valuable environment for natural language research is not a simple one. As evidenced...

Ngày tải lên: 21/02/2014, 20:20

... these issues for natural- language systems which serve as interfaces to a database: the problems that arise in a module which maps the meaning representation to a second logical language for ... of this problem. 1. Introduction A common and useful strategy for constructing natural language interface systems is to divide the processing of an utterance into two major stages: the first ... simplification is: 244 A Terminological Simplification Transformation for Natural Language Question-Answering Systems David G. Stallard BBN Laboratories Inc. I0 Moulton St. Cambridge,...

Ngày tải lên: 21/02/2014, 20:20

... Proceedings, Speech and Natural Language Workshop, pp. 230-236, June 1990 3. Chitrao, and R. Grishman, "Statistical Parsing of Messages," Proceedings, Speech and Natural Language Workshop, ... hidden understanding models, a statistical learning approach to natural language understanding. Given a string of words, hidden understanding models determine the most likely meaning for the ... representations, to ones at a level of detail and sophistication comparable to current natural language systems. In fact, a hidden understanding model can be used to produce a representation with essentially...

Ngày tải lên: 08/03/2014, 07:20

... like for natural language access to database? Under this point, what niches look most promising for natural language interfaces? What standards should he set for natural language systems performance? ... own natural language and his own style of interaction to the system. The task brings the questions that must be answered and the database domaln+s semantics. All natural language access systems ... EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS: A PANEL DISCUSSION Norman K. Sondheimer, Chair Sperry Univac Blue Bell, PA For a natural language access to database...

Ngày tải lên: 08/03/2014, 18:20

... knowledge- alignment in Troubleshooting dialogue systems. In Proc. of SEMdial. Alexander Koller and Ronald Petrick. 2008. Experi- ences with planning for natural language generation. In ICAPS. Alexander ... ACL. Alice Oh and Alexander Rudnicky. 2002. Stochastic natural language generation for spoken dialog sys- tems. Computer, Speech & Language, 16(3/4):387– 407. Tim Paek and Eric Horvitz. 2000. ... 2007. Sentence generation as planning. In Proceedings of ACL. Oliver Lemon. 2008. Adaptive Natural Language Generation in Dialogue using Reinforcement Learn- ing. In Proceedings of SEMdial. Johanna...

Ngày tải lên: 08/03/2014, 21:20

... the state-of-the-art in natural language generation for spoken language dialog systems is lagging behind. The core dialog managers are now more so- phisticated; and natural- sounding and flexible ... Computational Linguistics Towards an Optimal Lexicalization in a Natural- Sounding Portable Natural Language Generator for Dialog Systems Inge M. R. De Bleecker Department of Linguistics The ... techniques such as template-based systems. Portabil- ity of systems across subject domains and languages is another increasingly impor- tant requirement in dialog systems. This paper presents an...

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