classbased ngram models of natural language

... states of each of the two models are unseen and must be inferred from the words. The problem of language understanding, then, is to recover the most likely meaning structure given a sequence of ... techniques. Empirical results, including the results of an ARPA 31 HIDDEN UNDERSTANDING MODELS OF NATURAL LANGUAGE Scott Miller College of Computer Science Northeastern University Boston, ... Tasic. DARPA Speech and Natural Language Workshop, pp. 121-124, Feb. 1991. 10. Placeway, R. Schwartz, P. Fung, L. Nguyen, "The Estimation of Powerful Language Models from Small and Large...

Ngày tải lên: 08/03/2014, 07:20

... instances of complete natural language interfaces which comprise beth syntactic and semantic components. As such they are potential models for the development of interfaces to new types of software ... avoid the general theoretical problem of what a semantics of natural language should consist of by an operational approach in which the propositional content of a sentence is represented by a ... of natural language text for the purpose of knowledge acquisistiort, a problem that is much wider than the specific case of information systems design. The role of natural language analysis...

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Ngày tải lên: 20/02/2014, 18:20

... corpus analysis of cue phrases. 1 Introduction Researchers of natural language have repeatedly ac- knowledged that texts are not just a sequence of words nor even a sequence of clauses and ... rhetorical parsing, sum- marization, and generation of natural language texts. Ph.D. thesis, Department of Computer Science, Uni- versity of Toronto, Forthcoming. Martin, James R. 1992. English ... the ranks of the data, and not on the data itself, and so is resistant to outliers. The null hypothesis tested by Spearman is that two variables 101 The Rhetorical Parsing of Natural Language...

Ngày tải lên: 22/02/2014, 03:20

... make a difference in the adequacy of the parsings of natural- language sentences will be alterations of the format itself in terms of in- creasing the degree of context-sensitivity. This in effect ... pertinent in the case of a grammar having sufficient context-sensitivity to serve the needs of syn- tactic recognition adequate for the machine translation of natural languages. a) Since the ... parse natural- language data adequately, the parsing system has to have not merely some fixed capability of being sensitive to a certain range of contexts but a capacity...

Ngày tải lên: 07/03/2014, 18:20

... 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 ... achieve a good match between the capabilities of the user and the requirements of the task. The user brings his own natural language and his own style of interaction to the system. The task brings ... were even informal evaluations of systems conducted. Recently, this has begun to change. In the last several years, many of the current generation of natural language access to database systems...

Ngày tải lên: 08/03/2014, 18:20

... clearly has to be reasonably free of bugs in my case, 12 bugs were hit in the total of 1615 parsed and nonparsed messages. The adequate extent of natural language syntax is impossible to determine. ... EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS Bozena Henisz Thompson California Institute of Technology INTEODUCT~ON Is evaluation, like beauty, in the eye of the beholder? ... argued as force- fully on the basis of my study of users* evaluation of machine translation [2] a study which was prompted by the evaluations of the quality of machine translation as viewed...

Ngày tải lên: 17/03/2014, 19:20

... proper- ties of the arguments of the verb giefien (water) in example (1) of Section (2.1) above are captured by the following semantic type: (13) CONTENT value of giefien m i t - giefien-ch-ofst-rel ... approaches to verbal alterna- tions in particular and to development of (the lex- icon of) large-scale computational grammars of natural language based on HPSG in general. As an I dmtc stands for directed_motion_to_contact. 2 FIG(URE) ... the spirit of the MRS-based analysis for the German verbs gieflen and fi,illen that we have pre- sented above, we propose that the semantic prop- erties of the arguments of one of the most...

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Ngày tải lên: 02/06/2014, 09:22

... Commercialization of Natural Language Processing Technology. Communications of the ACM, in press. Grishman R., Macleod C. and Wolf S. (1993) The Comlex syntax project. Proceedings of the ARPA Human Language ... problems in a multi-user environment. The task of a developer of a particular natural language application is greatly simplified by the presence of these resources. In the future we plan to ... and/or run time. We discuss issues of achieving compatibility between these disparate resources. 1 NL Engine Natural language processing in the Unisys natural language understanding (NLU) system...

Ngày tải lên: 20/02/2014, 18:20

... depiction of the first kind of accommodation accommodation A A A l 2 1 ¢g Figure 2: Schematic depiction of the second kind of accommodation Ex. 11 Go into the other room to get the urn of coffee. ... complex facets of the problem of mapping Natural Language in- structions onto an agent's behavior. However, an aspect that no one has really considered is computing the ob- jects of the intentions ... UNDERSTANDING NATURAL LANGUAGE INSTRUCTIONS: THE CASE OF PURPOSE CLAUSES Barbara Di Eugenio * Department of Computer and Information Science University of Pennsylvania Philadelphia,...

Ngày tải lên: 20/02/2014, 21:20