natural language question answering systems

... W.J, Schoenmakers and E.P.C. van Utteren. The Question Answering System PHLIQA1. In L. Bolc (editor), Natural Language Question Answering Systems. Macmillan, 1980. [8] Scha, Remko J.H. English ... simplification is: 244 A Terminological Simplification Transformation for Natural Language Question- Answering Systems David G. Stallard BBN Laboratories Inc. I0 Moulton St. Cambridge, ... mapping is a component of such question- answering systems as TEAM [4], PHLIQA1 [7] and IRUS [1]. As an example of difficulties which may be encountered, consider the question "Was the patient's...

Ngày tải lên: 21/02/2014, 20:20

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Ngày tải lên: 31/03/2014, 18:20

... list”) and opinion questions (“squishy list”), to which the traditional systems had to be adapted. The Alyssa system (Shen et al., 2007), classified the polarity of the question and of the ... this research we used the first two languages. We annotated it using EmotiBlog (Balahur et al., 2009) and we also created a list of 20 questions for each language. Finally, we produced the ... Standard, by labeling the corpus with the correct answers corresponding to the questions. 1.1 Questions No TYPE QUESTION 1 F F What international organization do people criticize for...

Ngày tải lên: 20/02/2014, 09:20

... 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

... on 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 ... 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 ... interesting natural language questions? In order to answer ,o to the first question and yes to the second (the position taken by our panel's chair}, there must be an interesting language...

Ngày tải lên: 21/02/2014, 20:20

... 51,91% 48,63% 35,96% 24,94% 22,16% 20,94% 16,21% 15,08% 9,05%

Ngày tải lên: 08/03/2014, 05:20

... Hirschman, Question Answering from Natural Language Medical Data Bases, Artificial InteZligence 11 (1978) 25-43. [2] R. Grishman, The Simplification of Retrieval Requests Generated by Question- Answering ... performed by LISP procedures in the systems cited (in our system it is coded in Restriction Language, a language specially designed for writing natural- language grammars). The first two functions ... GENERATION IN QUESTION - ANSWERING SYSTEMS Ralph Grishman New York University 1. INTRODUCTION AS part of our long-term research into techniques for information retrieval from natural language...

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Ngày tải lên: 21/02/2014, 20:20

... 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...

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Ngày tải lên: 01/04/2014, 00:20

... chúng ta có các câu sau trong các tiếng nƣớc ngoài: - “We meet here today to talk about Vietnamese language and speech processing.” - “Aujourd'hui nous nous réunissons ici pour discuter le ... chƣơng trình làm nhiệm vụ đọc một chƣơng trình đƣợc viết bằng một ngôn ngữ - ngôn ngữ nguồn (source language) - rồi dịch nó thành một chƣơng trình tƣơng đƣơng ở một ngôn ngữ khác - ngôn ngữ đích...

Ngày tải lên: 26/04/2013, 14:55

... semi-supervised learning for the question- answering (QA) task for ranking candidate sentences. Us- ing textual entailment analysis, we obtain entailment scores between a natural lan- guage question posed by ... state-of-the-art QA models. 1 Introduction Open domain natural language question answer- ing (QA) is a process of automatically finding an- swers to questions searching collections of text files. There ... tex- tual entailment analysis. Question- Type Classifier (QC): QC is the task of identifying the type of a given question among a predefined set of question types. The type of a question is used as a clue...

Ngày tải lên: 20/02/2014, 07:20