Báo cáo khoa học: "A Computational Semantics for Natural Language" ppt

... grammar. [n our view, a computational semantics ['or a natural language has three essential components: 172 a. a system of conceptual representation for internal use as a computational medium ... A Computational Semantics for Natural Language Lewis G. Creary and Carl J. Pollard Hewlett-Packard Laboratories ... three different roles in the semantics of the Eng-...

Ngày tải lên: 31/03/2014, 17:20

... natural notion of consistency a set of formu- las is consistent if it is satisfiable. Testing a set of Kasper-Rounds formulas for consistency thus sim- ply reduces to finding a satisfier for ... would represent the information in Fig. 3 in terms of Kasper-Rounds default logic. The strict statements become normal KR formulas in W. For instance, the information for MIDDLE-VERBs...

Ngày tải lên: 17/03/2014, 09:20

... the system's performance on that application. The Parseval effort (Black (1991)) attempted to compare parsing performance across systems using the Treebank as a basis for comparison. Although ... have been used in natural language processing for a number of years (ATIS-3 (1991), MUC-6 (1995), Harman and Voorhees (1996)). Although these tests were originally designed for...

Ngày tải lên: 17/03/2014, 07:20

... Generation Grammar, USC Information Sciences institute, Marina del Rey, CA 90291., Technical Report RR-8,3-113, 1983. 174 Inquiry Semantics: A Functional Semantics of Natural Language Grammar ... progress. With imposed control, information about how to satisfy the intention and plan is needed before the process is started. With active conformity, information is needed as the proc...

Ngày tải lên: 24/03/2014, 05:21

... of bidirectional natural hmguage systems: ° systems that use uniform knowledge sources, but different processes • systems that use uniform knowledge sources as well as uniform processes 1 ... principle. But in some research areas uniform processing models have been developed that are based on formalisms which are well suited for uniform irepresentation and processing, e.g., ......

Ngày tải lên: 01/04/2014, 00:20

... satisfiability problem for CNF formulas of propositional logic can be reduced to the consistency (or satisfia- bility) problem for formulas in FML. Thus, the consistency problem for formulas in FML ... to be a more appealing and natural notation for displaying linguistic descrip- tions, logical formulas provide a precise interpre- tation which can be useful for computationa...

Ngày tải lên: 21/02/2014, 20:20

... Association for Computational Linguistics: Proceedings of the Conference, Association for Computational Linguistics, Morristown, NJ, pp. 17-24. 271 A COMPUTATIONAL MECHANISM FOR PRONOMINAL ... Nouns", 26th Annual Meet- ing of the Association for Computational Linguis- tics: Proceedings of the Conference, Association for Computational Linguistics, Morristown,...

Ngày tải lên: 21/02/2014, 20:20

... elvan@lcsl.metu.edu.tr Abstract We describe a computational framework for a grammar architecture in which dif- ferent linguistic domains such as morphol- ogy, syntax, and semantics are treated not as separate ... languages, affixes are attached to stems to form a word that may cor- respond to an entire phrase in a language like En- glish. For instance, in Turkish, word format...

Ngày tải lên: 08/03/2014, 07:20

... semantic object for the phrase. Proponents of com- positionM semantics argue that natural language it- self is for the most part compositional. In addition, using a composition semantics in semantic ... reading has a wider focus for the focusing sub- junct than the previous one. 2.2 Relevant propositions Our semantics employs a computational analogue of Rooth's p-...

Ngày tải lên: 08/03/2014, 18:20

... allows that use of future information in ad- dition to past information. The pipeline model nat- urally allows access to all the past information. Algorithm 3 Pseudo code for the look ahead algo- rithm. ... of computation in natural language processing for good reasons. It is based on the assumption that some decisions might be easier or more reliable than others, and their outcomes, th...

Ngày tải lên: 20/02/2014, 12:20