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"Lexical Functional Grammar"
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The syntax of Sanskrit compounds
Classical Sanskrit is well known for making extensive use of compounding. I argue, within a lexicalist framework, that the major rules of compounding in Sanskrit can be most appropriately characterized in syntactic, not morphological, terms. That is, Classical Sanskrit ‘compounds’ are in fact very often syntactic phrases. The syntactic analysis proposed captures the fact that compound formation is closer to a morphological process than other aspects of syntax, and so permits some acknowledgment of the gradient nature of the word-phrase divide, even within a strictly lexicalist theory.
Journal Article
The Oxford reference guide to lexical functional grammar
This volume is the most comprehensive reference work to date on Lexical Functional Grammar. The authors provide detailed and extensive coverage of the analysis of syntax, semantics, morphology, prosody, and information structure, and how these aspects of linguistic structure interact in the nontransformational framework of LFG. 0The book is divided into three parts. The first part examines the syntactic theory and formal architecture of LFG, with detailed explanations and comprehensive illustration, providing an unparalleled introduction to the fundamentals of the theory. Part two explores non-syntactic levels of linguistic structure, including the syntax-semantics interface and semantic representation, argument structure, information structure, prosodic structure, and morphological structure, and how these are related0in the projection architecture of LFG. Chapters in the third part illustrate the theory more explicitly by presenting explorations of the syntax and semantics of a range of representative linguistic phenomena: modification, anaphora, control, coordination, and long-distance dependencies. The final chapter discusses LFG-based work not covered elsewhere in the book, as well as new developments in the theory.0The volume will be an invaluable reference for graduate and advanced undergraduate students and researchers in a wide range of linguistic sub-fields, including syntax, morphology, semantics, information structure, and prosody, as well as those working in language documentation and description.
Book
Lexicalising clausal syntax : the interaction of syntax, the lexicon and information structure in Hungarian
The book presents a new perspective on clausal syntax and its interactions with lexical and discourse function information by analysing Hungarian sentences. It demonstrates ways in which grammar engineering implementations can provide insights into how complex linguistic processes interact.
eBook
Expanding the lexicon : linguistic innovation, morphological productivity, and ludicity
The creation of new lexical units and patterns has been studied in different research frameworks, focusing on either system-internal or system-external aspects, from which no comprehensive view has emerged. The volume aims to fill this gap by studying dynamic processes in the lexicon - understood in a wide sense as not being necessarily limited to the word level - by bringing together approaches directed to morphological productivity as well as approaches analyzing general types of lexical innovation and the role of discourse-related factors. The papers deal with ongoing changes as well as with historical processes of change in different languages and reflect on patterns and specific subtypes of lexical innovation as well as on their external conditions and the speakers' motivations for innovating. Moreover, the diffusion and conventionalization of innovations will be addressed. In this way, the volume contributes to understanding the complex interplay of structural, cognitive and functional factors in the lexicon as a highly dynamic domain--Publisher's website.
BOOK
Propositional glue and the projection architecture of LFG
Although 'glue semantics' is the most extensively developed theory of semantic composition for LFG, it is not very well integrated into the LFG projection architecture, due to the absence of a simple and well-explained correspondence between glue-proofs and f-structures. In this paper I will show that we can improve this situation with two steps: (1) Replace the current quantificational formulations of glue (either Girard's system F, or first order linear logic) with strictly propositional linear logic (the quantifier, unit and exponential free version of either MILL or ILL, depending on whether or not tensors are used). (2) Reverse the direction of the standard σ-projection from f-structure to meaning, giving one going from the (atomic nodes of) the glue-proof to the f-structure, rather than from the f-structure to a 'semantic projection' which is itself somehow related to the glue-proof. As a side effect, the standard semantic projection of LFG glue semantics can be dispensed with. A result is that LFG sentence structures acquire a level composed of strictly binary trees, constructed out of nodes representing function application and lambda abstraction, with a significant resemblance to external and internal merge in the Minimalist Program. This increased resemblance between frameworks might assist in making useful comparisons.
Journal Article
Evaluating Machine Translation with LFG Dependencies
In this paper we show how labelled dependencies produced by a Lexical-Functional Grammar parser can be used in Machine Translation evaluation. In contrast to most popular evaluation metrics based on surface string comparison, our dependency-based method does not unfairly penalize perfectly valid syntactic variations in the translation, shows less bias towards statistical models, and the addition of WordNet provides a way to accommodate lexical differences. In comparison with other metrics on a Chinese-English newswire text, our method obtains high correlation with human scores, both on a segment and system level.
Journal Article
Semantic and distributional patterns of Spanish negation with nouns and adjectives: A Lexical-Realizational Functional Grammar approach
This study examines the semantic and distributional characteristics of the Spanish negation no when it occurs before nouns and adjectives, specifically, whether these instances diverge from sentential negation, but also from negation via prefixes such as des- ‘dis-’ or in- ‘in-, un-’. Using data from the Spanish Web 2011 corpus, it is shown that the use of no before adjectives aligns with other forms of constituent negation, often resulting in a contradictory interpretation, that is similar to that of sentential negation. However, the interpretation of no preceding nouns exhibits a broader range of interpretations, depending on whether the noun refers to an eventuality, quality, or entity. In such instances, no shows parallels to negative prefixes, frequently indicating privation rather than contradiction. Consequently, no can be analyzed as a building block of phrases, expressing syntactic negation, behaving similarly to other adverbs, as well as a building block of words, expressing lexical negation, resembling Spanish prefix-like elements like cuasi ‘almost’ or ex ‘ex-’. The analysis is couched within the framework of Lexical-Realizational Functional Grammar (LRFG), integrating aspects of Lexical Functional Grammar and Distributed Morphology. This approach does not treat morphology and syntax as separate modules, thus allowing us to account for the variable distribution and interpretation of no by means of a single representation in vocabulary structure, drawing on constituent structure representations which are needed on independent grounds for adverbs and for prefix-like elements.
Journal Article
From Lexical Functional Grammar to enhanced Universal Dependencies
The paper describes the conversion of an LFG treebank of Polish into enhanced Universal Dependencies, and—more generally—identifies the kinds of information lost in translation from LFG to UD. The paper also presents the resulting UD treebank of Polish and compares it to the previous UD treebank of Polish.
Journal Article