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Relevant bibliographies by topics / Ambiguous grammars

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Academic literature on the topic 'Ambiguous grammars'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Ambiguous grammars"

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Arthur, Philip, Graham Neubig, Sakriani Sakti, Tomoki Toda, and Satoshi Nakamura. "Semantic Parsing of Ambiguous Input through Paraphrasing and Verification." Transactions of the Association for Computational Linguistics 3 (December 2015): 571–84. http://dx.doi.org/10.1162/tacl_a_00159.

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We propose a new method for semantic parsing of ambiguous and ungrammatical input, such as search queries. We do so by building on an existing semantic parsing framework that uses synchronous context free grammars (SCFG) to jointly model the input sentence and output meaning representation. We generalize this SCFG framework to allow not one, but multiple outputs. Using this formalism, we construct a grammar that takes an ambiguous input string and jointly maps it into both a meaning representation and a natural language paraphrase that is less ambiguous than the original input. This paraphrase

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Rocha, A. F., and E. Massad. "Ambiguous grammars and the chemical transactions of life." Kybernetes 35, no. 9 (2006): 1414–30. http://dx.doi.org/10.1108/03684920610662449.

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Massad, E., and A. F. Rocha. "Ambiguous grammars and the chemical transactions of life." Kybernetes 35, no. 10 (2006): 1653–62. http://dx.doi.org/10.1108/03684920610688649.

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Knight, Terry. "Computing with Ambiguity." Environment and Planning B: Planning and Design 30, no. 2 (2003): 165–80. http://dx.doi.org/10.1068/b12915.

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In a previous paper, emergence and ways of computing with emergence were discussed. Emergence goes hand in hand with ambiguity. Ambiguity, of a particular kind, is foundational in shape grammars. Shape grammars compute with shapes that have ambiguous or indefinite parts. This part ambiguity is exploited easily and well in shape grammar computations. Another kind of ambiguity is considered here. This is representational ambiguity—an ambiguity of the nature of the elements that make up shapes. Shapes are represented with elements—points, lines, planes, and solids—that can have ambiguous and flui

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Anderton, Douglas L., and Susan Hautaniemi Leonard. "Grammars of Death." Social Science History 28, no. 1 (2004): 111–43. http://dx.doi.org/10.1017/s0145553200012761.

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Historical mortality analysis is often confounded by changing disease environments, diagnostic criteria, and terminology. Recorded causes of death are shaped by these local and historical contexts. We analyze changing literal causes of death during the shift from miasmatic to germ theories of disease using death records from two Massachusetts towns for selected years spanning 1850 to 1912. This analysis demonstrates that (1) International Classification of Diseases (ICD) classifications are more stable, yet potentially less informative, than the literal causes recorded in death accounts, (2) r

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Audureau, Eric. "Grammaire Formelle, Grammaire Générative et Grammaire." Lingvisticæ Investigationes. International Journal of Linguistics and Language Resources 13, no. 2 (1989): 239–64. http://dx.doi.org/10.1075/li.13.2.03aud.

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In this paper I analyze the significance of two theorems of formal grammar theory for generative grammar: Peters and Ritchie's theorem about undecidability of membership for transformationnal languages and Parikh's theorem about existence of inherently ambiguous context-free languages. My analysis supports a general thesis which concerns not only the application of the whole formal grammar theory to generative grammar, but any application of mathematics to grammar. This thesis is the following: one cannot expect that mathematics helps to discover any deep and interesting property of human lang

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Schmidt, Linda C., Hai Shi, and Sameer Kerkar. "A Constraint Satisfaction Problem Approach Linking Function and Grammar-Based Design Generation to Assembly." Journal of Mechanical Design 127, no. 2 (2005): 196–205. http://dx.doi.org/10.1115/1.1799632.

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This work presents a constraint satisfaction problem (CSP) approach to design, integrating a function-based design generation algorithm to a geometric modeler. Our long-term goal is to create a unified graph-grammar based designer assistance tool that generates geometrically valid designs from functionally feasible design concepts. This paper introduces the Assembler, a graph-grammar based algorithm that takes a functionally valid but geometrically ambiguous design of a cart made of Meccano Erector Set components and converts it into geometrically valid models of cart designs. Assembler uses g

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Gonçalves, Perpétua. "The role of ambiguity in second language change: the case of Mozambican African Portuguese." Second Language Research 18, no. 4 (2002): 325–47. http://dx.doi.org/10.1191/0267658302sr209oa.

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In this article, my point of departure is that language change is driven by acquisition, and I argue that the triggers for establishing the properties of language-specific grammars differ according to whether first language (L1) or second language (L2) acquisition is involved. The reason for this is that in L2 acquisition evidence about the target grammar may be ambiguous in ways which do not occur in L1 acquisition. To illustrate the argument, I present two case studies of Mozambican African Portuguese, a nonnative variety of Portuguese acquired during childhood by L1 speakers of Bantu langua

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Tesar, Bruce. "Using Inconsistency Detection to Overcome Structural Ambiguity." Linguistic Inquiry 35, no. 2 (2004): 219–53. http://dx.doi.org/10.1162/002438904323019057.

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The Inconsistency Detection Learner (IDL) is an algorithm for language learning that addresses the problem of structural ambiguity.If an overt form is structurally ambiguous, the learner must be capable of inferring which interpretation of the overt form is correct by reference to other overt data of the language.The IDL does this by attempting to construct grammars for combinations of interpretations of the overt forms, and discarding those combinations that are inconsistent. The potential of this algorithm for overcoming the combinatorial growth in combinations of interpretations is supporte

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Hill, Steve. "Combinators for parsing expressions." Journal of Functional Programming 6, no. 3 (1996): 445–64. http://dx.doi.org/10.1017/s0956796800001799.

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AbstractThis paper describes a scheme for constructing parsers based on the top-down combinator approach. In particular, it describes a set of combinators for parsing expressions described by ambiguous grammars with precedence and associativity rules. The new combinators embody the mechanical grammar manipulations typically employed to remove left-recursion and hence help to avoid the possibility of a non-terminating parser. A number of approaches to the problem are described—the most elegant and efficient method is based on continuation passing. As a practical demonstration, a parser for the

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Dissertations / Theses on the topic "Ambiguous grammars"

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Share, Michael. "Ambiguous translation grammars /." The Ohio State University, 1988. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487597424137514.

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Thorup, Mikkel. "Topics in computation." Thesis, University of Oxford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357621.

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Jones, Bevan Keeley. "Learning words and syntactic cues in highly ambiguous contexts." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/15959.

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The cross-situational word learning paradigm argues that word meanings can be approximated by word-object associations, computed from co-occurrence statistics between words and entities in the world. Lexicon acquisition involves simultaneously guessing (1) which objects are being talked about (the ”meaning”) and (2) which words relate to those objects. However, most modeling work focuses on acquiring meanings for isolated words, largely neglecting relationships between words or physical entities, which can play an important role in learning. Semantic parsing, on the other hand, aims to learn a

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Song, Ting Juan. "The CFL students' perspective of the Chinese ambiguous sentences." Amherst, Mass. : University of Massachusetts Amherst, 2009. http://scholarworks.umass.edu/theses/314/.

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Hassen, Stéphane. "Synchronisation de grammaires de graphe." Phd thesis, Université de la Réunion, 2009. http://tel.archives-ouvertes.fr/tel-00462032.

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Les langages réguliers sont des langages qui ont été largement étudiés, notamment du point de vue de leurs propriétés de clôture ensembliste : l'ensemble des langages réguliers (pour un alphabet donné) forme une algèbre de Boole close par concaténation et étoile de Kleene. Ces propriétés ne se généralisent pas toutes à l ensemble des langages algébriques qui est un sur-ensemble de l'ensemble des langages réguliers. Notamment les langages algébriques ne sont pas clos par intersection. Pour engendrer ces langages, nous utilisons les grammaires déterministes de graphes. Une grammaire de graphes e

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Macedo, José Nuno Castro de. "Extending the BiYacc framework with ambiguous grammars." Master's thesis, 2018. http://hdl.handle.net/1822/64257.

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Dissertação de mestrado em Computer Science<br>Contrarily to most conventional programming languages where certain symbols are used so as to create non-ambiguous grammars, most recent programming languages allow ambiguity. This results in the necessity for a generic parser that can deal with this ambiguity without loss of performance. Currently, there is a GLR parser generator written in Haskell, integrated in the BiYacc system, developed by Departamento de Informática (DI), Universidade do Minho (UM), Portugal in collaboration with the National Institute of Informatics, Japan. In this t

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Books on the topic "Ambiguous grammars"

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Ziegeler, Debra. Are Constructions Dialect-Proof? Edited by Markku Filppula, Juhani Klemola, and Devyani Sharma. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199777716.013.31.

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The present chapter outlines the possible problems that may arise from applying a construction grammar approach to the study of international dialects of English. Using Singapore English as a base for comparison, it discusses construction types such as the progressive construction, the ‘false’ transitive construction, and the bare nominal construction (BNC), raising the question whether constructions in contact situations can be seen as constructions of the lexifier source language or the substrate languages which usually provide the syntactic source for the construction type. It also approach

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Shuy, Roger W. Deceptive Ambiguity by Police and Prosecutors. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190669898.001.0001.

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Much is written about how criminal suspects, defendants, and undercover targets use ambiguous language in their interactions with police, prosecutors, and undercover agents. This book examines the other side of the coin, describing fifteen criminal investigations demonstrating how police, prosecutors, undercover agents, and complainants use deceptive ambiguity with their subjects, which leads to misrepresentations of the speech events, schemas, agendas, speech acts, lexicon, and grammar. These misrepresentations affect the perceptions of judges and juries about the subjects’ motives, predispos

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Book chapters on the topic "Ambiguous grammars"

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Macedo, José Nuno, and João Saraiva. "InDubio: A Combinator Library to Disambiguate Ambiguous Grammars." In Computational Science and Its Applications – ICCSA 2020. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-58811-3_71.

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Maeda, Koji, Yoshimasa Takabatake, Yasuo Tabei, and Hiroshi Sakamoto. "Finding Ambiguous Patterns on Grammar Compressed String." In New Frontiers in Artificial Intelligence. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48119-6_25.

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Ellawala, Themal. "Uncertain Grammars, Ambiguous Desires." In Gender, Sexuality, Decolonization. Routledge India, 2020. http://dx.doi.org/10.4324/9781003025474-4.

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"7 Anaphora Resolution in Globally Ambiguous Contexts." In Theoretical and Experimental Aspects of Syntax-Discourse Interface in Heritage Grammars. BRILL, 2014. http://dx.doi.org/10.1163/9789004246171_009.

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Hoffmann, Anette. "War and grammar." In Colonial and Decolonial Linguistics. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198793205.003.0007.

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Disciplines are constructed as sites and topics of canonic knowledge through the texts produced by those who claim membership in them. This chapter describes how such activities helped to implement fields of knowledge production that were deeply rooted in colonial contexts, into different settings, where they seemed to gain new meaning and relevance. Postwar Africanistics as an academic discipline considered specifically German yet also part of the globally present field of African linguistics, emanated, against this background, out of writing about “proper topics” and the outcome of “fundamental research,” about the lives led by its important texts and the ways in which these texts dealt with the lives of the Africanists who engaged with them. This also entails thinking about the notion of experthood in linguistics and about the ambiguous connotations of this word in the postcolonial context in which Africanistics (or African linguistics) is situated.

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Milner, Ryan M. "Antagonism: Race, Gender, and Counterpublic Contestation." In The World Made Meme. The MIT Press, 2016. http://dx.doi.org/10.7551/mitpress/9780262034999.003.0005.

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This chapter focuses on the everyday antagonisms that are perpetuated through memetic participation, specifically regarding race and gender identities. However, it also argues that memetic participation can be employed for the counterpublic contestation of those same antagonisms. The memetic logics, grammar, and vernacular introduced in the first half of the book are tools employed for both silencing marginalization and vocal pushback of that marginalization. The nature of this counterpublic engagement is ambivalent though, given that memetic media are often fraught with ambiguous irony and ambivalent humor. Genuine antagonisms and marginalizations can thrive under the “just joking” frame. But—even in the midst of this ambivalent system—there is value to the agonistic counterpublic engagement occurring through memetic media. Voice exists, even in the midst of the tensions evident throughout this discussion.

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Smith, Ronnie W., and D. Richard Hipp. "Enhanced Dialog Processing: Verifying Doubtful Inputs." In Spoken Natural Language Dialog Systems. Oxford University Press, 1995. http://dx.doi.org/10.1093/oso/9780195091878.003.0011.

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Every natural language parser will sometimes misunderstand its input. Misunderstandings can arise from speech recognition errors or inadequacies in the language grammar, or they may result from an input that is ungrammatical or ambiguous. Whatever their cause, misunderstandings can jeopardize the success of the larger system of which the parser is a component. For this reason, it is important to reduce the number of misunderstandings to a minimum. In a dialog system, it is possible to reduce the number of misunderstandings by requiring the user to verify each utterance. Some speech dialog systems implement verification by requiring the user to speak every utterance twice, or to confirm a word-by-word readback of every utterance. Such verification is effective at reducing errors that result from word misrecognitions, but does nothing to abate misunderstandings that result from other causes. Furthermore, verification of all utterances can be needlessly wearisome to the user, especially if the system is working well. A superior approach is to have the spoken language system verify the deduced meaning of an input only under circumstances where the accuracy of the deduced meaning is seriously in doubt, or correct understanding is essential to the success of the dialog. The verification is accomplished through the use of a verification subdialog—a short sequence of conversational exchanges intended to confirm or reject the hypothesized meaning. The following example of a verification subdialog will suffice to illustrate the idea. . . . computer: What is the LED displaying? user: The same thing. computer: Did you mean to say that the LED is displaying the same thing? user: Yes. . . . As will be further seen below, selective verification via a subdialog results in an unintrusive, human-like exchange between user and machine. A recent enhancement to the Circuit Fix-it Shop dialog system is a subsystem that uses a verification subdialog to verify the meaning of the user’s utterance only when the meaning is in doubt or when accuracy is critical for the success of the dialog. Notable features of this new verification subsystem include the following.

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Conference papers on the topic "Ambiguous grammars"

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Frost, Richard A., Rahmatullah Hafiz, and Paul C. Callaghan. "Modular and efficient top-down parsing for ambiguous left-recursive grammars." In the 10th International Conference. Association for Computational Linguistics, 2007. http://dx.doi.org/10.3115/1621410.1621425.

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Schmid, Helmut. "Efficient parsing of highly ambiguous context-free grammars with bit vectors." In the 20th international conference. Association for Computational Linguistics, 2004. http://dx.doi.org/10.3115/1220355.1220379.

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Keum-Young Sung. "Generation of RNA pseudoknots with controlled ambiguous grammar." In 2010 5th International Conference on Computer Sciences and Convergence Information Technology (ICCIT 2010). IEEE, 2010. http://dx.doi.org/10.1109/iccit.2010.5711150.

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Schmidt, Linda C., Hai Shi, and Sameer Kerkar. "The “Generation Gap”: A CSP Approach Linking Function to Form Grammar Generation." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/dtm-8767.

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Abstract The authors use a Constraint Satisfaction Problem (CSP) approach to the assembly problem linking a function-based design generation algorithm to a geometric modeler. The goal is to create a unified graph-grammar based design generation tool that enables generation of geometrically valid designs from a functionally valid design concept. The paper demonstrates the Assembler, a graph-grammar based algorithm that takes a functionally valid but geometrically ambiguous design of a cart made of Meccano Erector Set components and converts it into valid solid models of cart designs. The author

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Gupta, Saraj, and Gu¨l E. Okudan. "Framework for Generating Modularized Product Designs With Assembly and Variety Considerations." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-50049.

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Conceptual design is found to be the most ambiguous and creative phase of design. There exist only a few computational tools that aid designers at conceptual design stage, and mostly designers rely on personal experience or experience of coworkers to generate quality designs. The proposed framework aims at generating robust computerized conceptual designs by incorporating Modularity, Design for Assembly (DFA) and Design for Variety (DFV) principles at the conceptual stage. Conceptual design alternatives obtained from the proposed framework are ranked based on minimum assembly time, and are com

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Gupta, Saraj, and Gu¨l E. Okudan. "Assembly and Variety Considerations During Conceptual Design." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-50050.

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Foremost step in the development of any electromechanical product is its design, and conceptual design is the most ambiguous and creative phase of design. There exist only a few computational tools that aid designers at conceptual design stage, and mostly designers rely on personal experience or experience of co-workers to generate quality designs. The proposed framework aims at generating robust computerized conceptual designs by incorporating Modularity, Design for Assembly (DFA) and Design for Variety (DFV) principles at the conceptual stage. Conceptual design alternatives obtained from the

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