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We propose a formulation of 'relative tense theory' as applied to the complex tenses in Japanese using an HPSG grammar with its semantics represented based on Discourse Representation Theory. Specifically, a mechanism of tense interpretation which consecutively combines Discourse Representation Structures in parallel with an otherwise motivated hierarchical syntactic structure is presented. The framework provides a concise and comprehensive account of the Japanese simplex and complex tenses; it is made possible by the use of a hypothetical temporal point temporal axis, which relates the location time of the relevant clause to an outer temporal point, and a modal semantic operator woll.
The German causal preposition durch ('by', 'through') poses a challenge to formal-semantic analyses applying strict compositionality. To deal with this challenge, a formalism which builds on recent important developments in Discourse Representation Theory is developed, including a more elaborate analysis of presuppositional phenomena as well as the integration into the theory of unification as a mode of composition. It is argued that that the observed unificational phenomena belong in the realm of pragmatics, providing an argument for presuppositional phenomena at a sentence- and word-internal level.
Negative Polarity Items (NPI) are expressions such as English 'ever' and 'lift a finger' that only occur in sentences that are somehow negative. NPIs have puzzled linguists working in syntax, semantics and pragmatics, but no final conclusion as to which module of the grammar should be responsible for the licensing has been reached. Within HPSG interest in NPI has developed only relatively recently and is mainly inspired by the entailment-based approach of Ladusaw 1980 and Zwarts 1997. Since HPSG's CONTENT value is a semantic representation, the integration of such a denotational theory cannot be done directly. Adopting Discourse Representation Theory (DRT, Kamp and Reyle 1993, von Genabith et al. 2004) I show that it is possible to formulate a theory of NPI licensing that uses purely representational notions. In contrast to most other frameworks in semantics, DRT attributes theoretical significance to the representation of meaning, i.e. to a logical form, and not only to the denotation itself. This makes DRT particularly well-suited to my purpose.
This paper focuses on different subtypes of constructions involving temporally bounded quantification, e.g. sequences like David visited Rome three times followed by temporal phrases as different as (i) last year, which defines a time interval; (ii) in less that two months, which defines an amount of time; and (iii) per month, which refers to a time unit. As for the first two types of temporal phrases, data will be presented which shows that they have specific linguistic properties in these quantifying contexts, and do not behave exactly as the locating or duration adverbials they are superficially identical with. The third type of phrases will receive special attention. Structures with frequency adverbials like n times per month will be analysed compositionally, separating the quantified component n times from the temporally binding phrase per month (whose role is comparable to that of adverbials (i) and (ii) in the relevant constructions). The data presented is mainly from Portuguese, although the issues at stake – the linguistic properties of temporally bounded quantification – are obviously relevant to parallel constructions in other languages.
How the left-periphery of a wh-relative clause determines its syntactic and semantic relationships
(2004)
This paper discusses a certain class of German relative clauses which are characterized by a wh-expression overtly realized at the left periphery of the clause. While investigating empirical and theoretical issues regarding this class of relatives, it argues that a wh-relative clause relates syntactically to a functionally complete sentential projection and semantically to entities of various kinds that are abstracted from the matrix clause. What is shown is that this grammatical behaviour clearly can be attributed to the properties of the elements positioned at the left of a wh-relative clause. Finally, a lexically-based analysis couched in the framework of HPSG is given that accounts for the data presented.