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Low- dimensional and speaker-independent linear vocal tract parametrizations can be obtained using the 3-mode PARAFAC factor analysis procedure first introduced by Harshman et al. (1977) and discussed in a series of subsequent papers in the Journal of the Acoustical Society of America (Jackson (1988), Nix et al. (1996), Hoole (1999), Zheng et al. (2003)). Nevertheless, some questions of importance have been left unanswered, e.g. none of the papers using this method has provided a consistent interpretation of the terms usually referred to as "speaker weights". This study attempts an exploration of what influences their reliability as a first step towards their consistent interpretation. With this in mind, we undertook a systematic comparison of the classical PARAFAC1 algorithm with a relaxed version, of it, PARAFAC2. This comparison was carried out on two different corpora acquired by the articulograph, which varied in vowel qualities, consonantal contexts, and the paralinguistic features accent and speech rate. The difference between these statistical approaches can grossly be described as follows: In PARAFAC1, observation units pertain to the same set of variables and the observation units are comparable. In PARAFAC2, observations pertain to the same set of variables, but observation units are not comparable. Such a situation can be easily conceived in a situation such as we are describing: The operationalization we took relies on the comparability of fleshpoint data acquired from different speakers, which need not be a good assumption due to influences like sensor placement and morphological conditions.
In particular, the comparison between the two different approaches is carried out by means of so-called "leverages" on different component matrices originating in regression analysis, calculated as v = diag(A(A A)−1A ) and delivering information on how "influential" a particular loading matrix is for the model. This analysis could potentially be carried out component by component, but we confined ourselves to effects on the global factor structure. For vowels, the most influential loadings are those for the tense cognates of non-palatal vowels. For speakers, the most prominent result is the relative absence of effects of the paralinguistic variables. Results generally indicate that there is quite little influence of the model specification (i.e. PARAFAC1 or PARAFAC2) on vowel and subject components. The patterns for the articulators indicate that there are strong differences between speakers with respect to the most influential measurement as revealed by PARAFAC2: In particular, the most influential y-contribution is the tongue-back for some talkers and the tongue-dorsum for other speakers. With respect to the speaker weights, again, the leverage patterns are very similar for both PARAFAC-versions. These patterns converge with the results of the loading plots, where the articulator profiles seem to be most altered by the use of PARAFAC2. These findings, in general, are interpreted as evidence for the reliability of the PARAFAC1 speaker weights.
The paper starts with a semantic differentiation between the notions of sentence topic and discourse topic. Sentence topic is conceived of as part of a semantic predication in the sense of Y. Kim's work. Discourse topic is defined, as in N. Asher's Segmented Discourse Representation Theory, as a discourse constituent that comprises the content of (part of) the larger discourse.
The main body of the paper serves to investigate the intricate connection between the two types of topic. For restricting the context of investigation, a specific relation between discourse constituents, Elaboration, is chosen. If Elaboration holds between two discourse constituents, one of them can be identified as the explicit discourse topic with respect to the other one. Whereas an elaborating sentence - with or without a sentence topic - is used to infer a 'dimension' for extending the discourse topic, the role of the sentence topic if it occurs is to mark an 'index' for predication along that dimension. The interaction of elaborating sentences and their topics is modelled by means of channel theoretic devices.'
Die vorliegende Arbeit befasst sich mit dem muttersprachlich Erwerb (L1) des Genus im Deutschen. Im Zentrum der Untersuchung steht die Frage, wie ein Kind aus dem ihm angebotenen Sprachinformationen das komplexe System der Genusmarkierung erwirbt. Sie wird anhand von Daten aus einer Langzeitstudie eines monolingual aufwachsenden deutschen Kindes erörtert. Der Rahmen dieser Arbeit erforderte bei ihrem Aufbau gewisse Einschränkungen. So habe ich mich in der Auswertung der Erwerbsdaten auf den bestimmten Artikel als Genusanzeiger konzentriert. Als Artikel zeichnet er sich gegenüber den ebenfalls genusabhängigen Adjektiven dadurch aus, dass er eine meist obligatorische Konstituente einer Nominalphrase (NP) mit einem Substantiv darstellt. Der bestimmte Artikel wiederum ist einerseits der frequenteste unter den Artikelwörtern und weist andererseits das differenzierteste Formeninventar auf, wobei er als einziger Artikel im Nominativ alle drei Genera differenziert. Auch habe ich mich entschlossen, auf eine Gegenüberstellung und Diskussion verschiedener Spracherwerbstheorien zu verzichten und stattdessen ausführlicher auf die Aspekte, die im Erwerbsprozess selbst und somit für die Datenanalyse relevant sind, einzugehen. Dabei sollen unterschiedliche Ansätze berücksichtigt sowie die aktuelle Forschungslage dargestellt werden.
Ziel der Untersuchung ist der Erwerb von aspektuellen Markierungen im Bulgarischen. Da Bulgarisch über ein nominales Artikelsystem und über eine verbale Aspektkategorie verfügt, liefert es eine ausgezeichnete Gelegenheit, die Verwendung von nominalen und verbalen Aspektmarkierungen im frühen Spracherwerb aufzuzeigen. Der Artikel präsentiert die Daten aus einer Langzeitstudie und einer experimentellen Testreihe. Die Ergebnisse belegen, dass die bulgarischen Kinder am Anfang vom Prinzip der Aspektkomposition Gebrauch machen. Aspektuell unmarkierte Verben werden durch definite Objekte ergänzt, um begrenzte Handlungen auszudrücken. Der schnelle Erwerb der Aspektmorphologie verschiebt die Gewichtung im Satz von den nominalen zu den verbalen Aspektmarkern. Im Alter von zweieinhalb Jahren beherrschen die bulgarischen Kinder die sprachspezifische syntaktische Anforderung, dass perfektiv markierte Prädikate quantitativ definite Argumente verlangen.
It has been established since Kanerva’s work that focus conditions phrasing – directly or indirectly – in several other Bantu languages, e.g. Chimwiini (Kisseberth 2007, Downing 2002, Kisseberth & Abasheikh 2004), Xhosa (Jokweni 1995, Zerbian 2004), Chitumbuka (Downing 2006, 2007), Zulu (Cheng & Downing 2006, Downing 2007), Bemba (Kula 2007), etc.
In this paper, I will argue that focus also conditions phrasing in Shingazidja, a Bantu language3 spoken on Grande Comore (or Ngazidja, the largest island of the Comoros).
Many works have been dedicated to the tonology of Shingazidja. The bases of the system were firstly identified by Tucker & Bryan (1970) and reanalyzed by Philippson (1988). Later, Cassimjee & Kisseberth (1989, 1992, 1993, 1998) provide a very convincing analysis of the whole system of the language, and my own research (Patin 2007a) shows a great correspondence with their results. However, little attention has been paid by these authors or others (Jouannet 1989, Rey 1990, Philippson 2005) to the phonology-pragmatics interface, especially on the relation between focus and phrasing. This paper thus proposes to explore this question. It will be claimed that focus, beside syntax, has an influence on phrasing in Shingazidja.
Agreement is traditionally viewed as a cross-referencing device for core arguments such as subjects and (primary) objects.1 In this paper, I discuss data from Bantu languages that lead to a radical departure from this generally accepted position: agreement in a subset of Bantu languages cross-references a (sentential) topic rather than the subject. The crucial evidence for topic agreement comes from a construction known as subject-object (S-O) reversal, where the fronted patient agrees with what has uniformly been taken to be a `subject marker'. The correct analysis of S-O reversal as a topic construction with `topic agreement' explains a range of known facts in the languages in question. Furthermore, synchronic variation across Bantu in the presence/absence of S-O reversal and in the properties of the (topic/subject) agreement marker suggests a diachronic path from topic to subject marking. The systematic variation and covariation in the syntax of Bantu languages and the historical picture that it offers would be missed altogether if we continue to reject the idea that the notion of topic can be deeply grammaticized in the form of agreement.
This paper investigates what factors make a particular referent a good antecedent for subsequent pronominal reference. In particular, it explores two seemingly conflicting claims in the literature regarding the effects of topicality and focusing on referent salience. In light of new experimental results combined with a review of existing work, I conclude that neither topicality nor focusing alone can explain referent salience as indicated by patterns of pronoun reference. Rather, the data provide support for a multiple-factor model of salience (e.g. Arnold 1999). More specifically, the results show that grammatical role has a striking effect: being a subject makes a referent more salient than either pronominalization/givenness or focusing alone. Furthermore, the results of the experiment suggest that the likelihood of subsequent pronominal reference is also influenced by structural focusing and pronominalization, but not as strongly as by subjecthood. I argue that these data are best captured by a multiple-factor model in which factors differ in how influential they are relative to one another, i.e. how heavily weighted they are. A single-factor system does not seem adequate for these data.
In this paper I argue that the set of formal features that can head a functional projection is not given by UG but derived through L1 acquisition. I formulate a hypothesis that says that initially every functional category F is realised as a semantic feature [F]; whenever there is an overt doubling effect in the L1 input with respect to F, this semantic feature [F] is reanalysed as a formal feature [i/uF]. In the first part of the paper I provide a theoretical motivation for this hypothesis, in the second part I test this proposal for a case-study, namely the cross-linguistic distribution of Negative Concord (NC). I demonstrate that in NC languages negation has been reanalysed as a formal feature [i/uNEG], whereas in Double Negation languages this feature remains a semantic feature [NEG] (always interpreted as a negative operator), thus paving the way for an explanation of NC in terms of syntactic agreement. In the third part I discuss that the application of the hypothesis to the phenomenon of negation yields two predictions that can be tested empirically. First I demonstrate that negative markers X° can be available only in NC languages; second, independent change of the syntactic status of negative markers, can invoke a change with respect to the exhibition of NC in a particular language. Both predictions are proven to be correct. I finally argue what the consequences of the proposal presented in this paper are for both the syntactic structure of the clause and second for the way parameters are associated to lexical items.
This paper focuses on restrictions on the ordering of internal constituents of noun phrases in Chichewa, especially when those constituents are discontinuous. The motivation for discontinuity of the NP constituents will be given, together with discussion of constructions that can be subsumed under this rubric but that do not really involve discontinuity in the canonical sense. These are constructions where a topic NP in a left periphery position is either linked anaphorically with a modifier "remnant" or semantically with its hyponym in post-verbal position. According to Guthrie's classification of Bantu languages, Chichewa is placed in zone N unit N31. It is regarded as a dialect of Nyanja, classified as belonging to unit N30 (Guthrie 1967-71).
Russian predicate cleft constructions have the surprising property of being associated with adversative clauses of the opposite polarity. I argue that clefts are associated with adversative clauses because they have the semantics of S-Topics in Büring's (1997, 2000) sense of the term. It is shown that the polarity of the adversative clause is obligatorily opposed to that of the cleft because the use of a cleft gives rise to a relevance-based pragmatic scale. The ordering principle according to which these scale