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In this paper, we outline the foundations of a theory of implicatures. It divides into two parts. The first part contains the base model. It introduces signalling games, optimal answer models, and a general definition of implicatures in terms of natural information. The second part contains a refinement in which we consider noisy communication with efficient clarification requests. Throughout, we assume a fully cooperative speaker who knows the information state of the hearer. The purpose of this paper is not the study of examples. Our concern is the framework for doing these studies.
The main tenet of the present paper is the thesis that nominalization – like other cases of derivational morphology – is an essentially lexical phenomenon with well defined syntactic (and semantic) conditions and consequences. More specifically, it will be argued that the relation between a verb and the noun derived from it is subject to both systematic and idiosyncratic conditions with respect to lexical as well as syntactic aspects.
Ever since the discovery of neural networks, there has been a controversy between two modes of information processing. On the one hand, symbolic systems have proven indispensable for our understanding of higher intelligence, especially when cognitive domains like language and reasoning are examined. On the other hand, it is a matter of fact that intelligence resides in the brain, where computation appears to be organized by numerical and statistical principles and where a parallel distributed architecture is appropriate. The present claim is in line with researchers like Paul Smolensky and Peter Gärdenfors and suggests that this controversy can be resolved by a unified theory of cognition – one that integrates both aspects of cognition and assigns the proper roles to symbolic computation and numerical neural computation.
The overall goal in this contribution is to discuss formal systems that are suitable for grounding the formal basis for such a unified theory. It is suggested that the instruments of modern logic and model theoretic semantics are appropriate for analyzing certain aspects of dynamical systems like inferring and learning in neural networks. Hence, I suggest that an active dialogue between the traditional symbolic approaches to logic, information and language and the connectionist paradigm is possible and fruitful. An essential component of this dialogue refers to Optimality Theory (OT) – taken as a theory that likewise aims to overcome the gap between symbolic and neuronal systems. In the light of the proposed logical analysis notions like recoverability and bidirection are explained, and likewise the problem of founding a strict constraint hierarchy is discussed. Moreover, a claim is made for developing an "embodied" OT closing the gap between symbolic representation and embodied cognition.
The main concern of this article is to discuss some recent findings concerning the psychological reality of optimality-theoretic pragmatics and its central part – bidirectional optimization. A present challenge is to close the gap between experimental pragmatics and neo-Gricean theories of pragmatics. I claim that OT pragmatics helps to overcome this gap, in particular in connection with the discussion of asymmetries between natural language comprehension and production. The theoretical debate will be concentrated on two different ways of interpreting bidirection: first, bidirectional optimization as a psychologically realistic online mechanism; second, bidirectional optimization as an offline phenomenon of fossilizing optimal form-meaning pairs. It will be argued that neither of these extreme views fits completely with the empirical data when taken per se.
The article aims to give an overview about the application of Optimality Theory (OT) to the domain of pragmatics. In the introductory part we discuss different ways to view the division of labor between semantics and pragmatics. Rejecting the doctrine of literal meaning we conform to (i) semantic underdetermination and (ii) contextualism (the idea that the mechanism of pragmatic interpretation is crucial both for determining what the speaker says and what he means). Taking the assumptions (i) and (ii) as essential requisites for a natural theory of pragmatic interpretation, section 2 introduces the three main views conforming to these assumptions: Relevance theory, Levinson’s theory of presumptive meanings, and the Neo-Gricean approach. In section 3 we explain the general paradigm of OT and the idea of bidirectional optimization. We show how the idea of optimal interpretation can be used to restructure the core ideas of these three different approaches. Further, we argue that bidirectional OT has the potential to account both for the synchronic and the diachronic perspective on pragmatic interpretation. Section 4 lists relevant examples of using the framework of bidirectional optimization in the domain of pragmatics. Section 5 provides some general conclusions. Modeling both for the synchronic and the diachronic perspective on pragmatics opens the way for a deeper understanding of the idea of naturalization and (cultural) embodiment in the context of natural language interpretation.
To some, the relation between bidirectional optimality theory and game theory seems obvious: strong bidirectional optimality corresponds to Nash equilibrium in a strategic game (Dekker and van Rooij 2000). But in the domain of pragmatics this formally sound parallel is conceptually inadequate: the sequence of utterance and its interpretation cannot be modelled reasonably as a strategic game, because this would mean that speakers choose formulations independently of a meaning that they want to express, and that hearers choose an interpretation irrespective of an utterance that they have observed. Clearly, the sequence of utterance and interpretation requires a dynamic game model. One such model, and one that is widely studied and of manageable complexity, is a signaling game. This paper is therefore concerned with an epistemic interpretation of bidirectional optimality, both strong and weak, in terms of beliefs and strategies of players in a signaling game. In particular, I suggest that strong optimality may be regarded as a process of internal self-monitoring and that weak optimality corresponds to an iterated process of such self-monitoring. This latter process can be derived by assuming that agents act rationally to (possibly partial) beliefs in a self-monitoring opponent.
The present study argues that variation across listeners in the perception of a non-native contrast is due to two factors: the listener-specic weighting of auditory dimensions and the listener-specic construction of new segmental representations. The interaction of both factors is shown to take place in the perception grammar, which can be modelled within an OT framework. These points are illustrated with the acquisition of the Dutch three-member labiodental contrast [V v f] by German learners of Dutch, focussing on four types of learners from the perception study by Hamann and Sennema (2005a).
Mit der Möglichkeit, anhand digitaler Telefonanschlüsse Familiennamen nach Bestand, Trägerzahl und räumlicher Verbreitung mit großer Genauigkeit zu erfassen, hat eine neue Epoche der Anthroponomastik begonnen. Der Schatz von 850661 verschiedenen Familiennamen, die im Jahre 2005 in 28205713 privaten Festnetzanschlüssen registriert waren, ist immens, und die Fragestellungen zu seiner Erforschung sind in ihrer Ausrichtung und in ihrer Anzahl unerschöpflich. In dieser Situation ergaben sich vordringlich zwei Aufgaben: Erstens musste angesichts der von Jahr zu Jahr wachsenden Bevölkerungsmobilität, angesichts der Auswirkung neuerer Namengesetzgebung und angesichts der schnell zunehmenden Ablösung lokalisierter Festnetzanschlüsse durch Mobiltelefone der Namenbestand spätestens jetzt aufgrund der zuverlässigsten Quelle und in legitim nutzbarer Weise gesichert und archiviert werden. Die geschichtlich gewachsenen Namenlandschaften sind gerade noch, und zwar in erstaunlicher Stabilität, erhalten. Die Daten wurden nach Klärung der Datenschutzfragen von der Deutschen Telekom auf Stand Juni 2005 dem Deutschen Familiennamenatlas zur Verfügung gestellt und ihre Nutzung zur namenkundlichen Forschung mit Vertrag vom 28.06.2005 geregelt.
Language contact has become a major focus of inquiry in historical and typological linguistics in the last twenty years, spurred in a large part by the publication of Thomason & Kaufman (1988), which tried to make sense of a large amount of language contact data. They argued that there was a direct relationship between the degree or intensity of language contact and the amount and type of influence the contact would have on one or more of the languages involved. Essentially, the greater the degree of bilingualism, the greater the degree of contact influence (see also Thomason 2001); if the contact and bilingualism was minimal, then there might just be a few loanwords adapted to the borrowing language's phonology and grammatical system, but if the contact and bilingualism was of a greater degree there would be influence in the grammar and phonology of the affected language. As more linguists came to take language contact more seriously, they came to realize how common language contact phenomena are.