evaluation of natural language processing systems
Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS: A PANEL DISCUSSION " ppt
... 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 have ... 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 ... IIl. On the basis of these evaluations, what should the future look like for natural language access to database? Under this point, what niches look most promising for natural language interfaces?...
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Tài liệu Báo cáo khoa học: "The Use of Ooject-Special Knowledge in Natural Language Processing" doc
... Rrlba ,,m Press, Hlllsdale, NJ. 57 The Use of Ooject-Specl flc Knowledge in Natural Language Processing Mark H. Bursteln Department of Computer Science, Yale University 1. INTRODUCTION ... descriptions of the objects Involved. 4. C~ It ta important to understand how OPUS differs from previous inference strateKies in natural language processing. To emphasize the original contributions of ... research has been on the development of processes which utillze Information provided by Object Primitives to facilitate the "comprehension" of natural language texts by computer. That...
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Báo cáo khoa học: "A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing" potx
... Because of the high-dimensional nature of natural language, it is often easy to generate an extremely large number of features. The challenge of parameter estimation is to find a combination of ... Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing Jianfeng Gao*, Galen Andrew*, Mark Johnson*&, Kristina Toutanova* *Microsoft Research, ... Performance of the application is measured in terms of character error 2 The result of ME/L2 is better than that reported in Andrew and Gao (2007) due to the use of the variant of L2-regularized...
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Xử lý ngôn ngữ tự nhiên (natural language processing - NLP)
... 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 traitement ... namefi = "\a.txt" Open App.Path & "\a.txt" For Input As #1 While Not EOF(1) Line Input #1, temp List1.AddItem temp Wend Close #1 Command4.Enabled = True End Sub ... Open App.Path & "\" & temp1 & ".txt" For Input As #1 While Not EOF(1) Line Input #1, temp List1.AddItem temp Wend Close #1 Command4.Enabled = True End Sub”...
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Tài liệu Báo cáo khoa học: "INFORMATION RETRIEVAL USING ROBUST NATURAL LANGUAGE PROCESSING" docx
... Extraction of syntactic pairs. pairs of highest accuracy is the notorious ambiguity of nominal compounds. For example, the phrase natural language processing should generate language +natural and processing +language, ... only a measure of what possible choices of messages are offered by a particular language. However, it offers theoretic foundations of the correlation between the probability of an event and ... " ;natural& quot; is deleted from a query already containing " ;natural language& quot; because " ;natural& quot; occurs in many unrelated contexts: " ;natural number", "natural...
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Tài liệu Báo cáo khoa học: "Combining Functionality and Object Orientedness for Natural Language Processing" ppt
... result of the evaluation is a new version of the object runs0, say runs 1. The above discussion is overly simplified for the purpose of explanation. The following sections discuss a number of ... incoming messages of its instances. A class inherits methods of its superclasses. Z. Interpretation of PAL Expressions in Object-Oriented Domain A class is defined for each constant of PAL. A class ... results from replacing each constant of a given PAL expression by an instance of an object whose class name is the same as the label of the constant. The evaluation is done by repeating the...
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Tài liệu Báo cáo khoa học: "Generalized Hebbian Algorithm for Incremental Singular Value Decomposition in Natural Language Processing" potx
... techniques are of great relevance within the field of natural lan-guage processing. A persistent problem within language processing is the over-specificity of language, and the sparsity of data. Corpus-based ... anear relative of eigen decomposition, appro-priate to domains where input is asymmetri-cal. The best known application of singularvalue decomposition within natural language processing is ... InProceedings of Interspeech 2005.P. Kanerva, J. Kristoferson, and A. Holst. 2000.Random indexing of text samples for latent se-mantic analysis. In Proceedings of 22nd AnnualConference of the Cognitive...
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Tài liệu Báo cáo khoa học: "The Rhetorical Parsing of Natural Language Texts" docx
... 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 ... have on the accuracy of other natural language processing tasks, such as anaphora res- olution, intention recognition, or text summarization. In this paper, we describe evaluations that follow ... 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...
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Báo cáo khoa học: "An Extensible Architecture for Integrating Natural Language Processing Techniques with Wikis" docx
... Proceedings of the Intl. Confer-ence on Intelligent User Interfaces, pages 37–46.Ren´e Witte and Thomas Gitzinger. 2007. Connectingwikis and natural language processing systems. InProc. of the ... the type of alink by means of relation detection or the type of apage by means of text categorization. Thus, Wikulucould constitute an important step towards the se-mantification of the content ... presented Wikulu, an extensible system whichintegrates natural language processing techniqueswith wikis. Wikulu addresses the major challenge of supporting wiki users with their everyday tasks....
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Báo cáo khoa học: "HIDDEN UNDERSTANDING MODELS OF NATURAL LANGUAGE" ppt
... motivated, natural language systems. Thus, a hidden understanding model can serve to replace the part -of- speech tagger, parser, and semantic interpreter of a classical system. Instead of writing ... 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,...
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Natural Language Processing with Python docx
... Table of Contentswww.it-ebooks.info PrefaceThis is a book about Natural Language Processing. By natural language we mean a language that is used for everyday communication by humans; languages ... of language and computation by building useful language technologies. We’ll take theopportunity now to step back from the nitty-gritty of code in order to paint a biggerpicture of natural language ... down with explicit rules. We will take Natural Language Processing or NLP for short—in a wide sense to cover any kind of computer manipulation of natural language. At one extreme, it could be...
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