Inheritance, Defaults and the Lexicon
Ted Briscoe, Ann Copestake, Valeria de Paiva
Cambridge University Press, Nov 2, 2006 - Computers - 308 pages
The lexicon is now a major focus of research in computational linguistics and natural language processing (NLP), as more linguistic theories concentrate on the lexicon and as the acquisition of an adequate vocabulary has become the chief bottleneck in developing practical NLP systems. This collection describes techniques of lexical representation within a unification-based framework and their linguistic application, concentrating on the issue of structuring the lexicon using inheritance and defaults. Topics covered include typed feature structures, default unification, lexical rules, multiple inheritance and non-monotonic reasoning. The contributions describe both theoretical results and implemented languages and systems, including DATR, the Stuttgart TFS and ISSCO's ELU. This book arose out of a workshop on default inheritance in the lexicon organized as a part of the Esprit ACQUILEX project on computational lexicography. Besides the contributed papers mentioned above, it contains a detailed description of the ACQUILEX lexical knowledge base (LKB) system and its use in the representation of lexicons extracted semi-automatically from machine-readable dictionaries.
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2 Skeptical and Credulous Default Unification with Applications to Templates and Inheritance ...
3 Prioritised Multiple Inheritance in DATR
4 Some Reflections on the Conversion of the TIC Lexicon into DATR
5 Norms or Inference Tickets? A Frontal Collision between Intuitions
6 Issues in the Design of a Language for Representing Linguistic Information Based on Inheritance and Feature Structures ...
7 FeatureBased Inheritance Networks for Computational Lexicons
8 A Practical Approach to Multiple Default Inheritance for UnificationBased Lexicons
11 LKB Encoding of Lexical Knowledge
12 Defaults in Lexical Representation
13 Untangling Definition Structure into Knowledge Representation
A Bibliography of ACQUILEX Papers Connected with the LKB
The LKB Description Language Syntax
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allow altematives ARG2 atomic binary-formula Bouma Carpenter’s classiﬁcation complement complex conﬂicts constraint Copestake DATR default information default inheritance Default Logic default uniﬁcation deﬁned deﬁnition denoting depth-ﬁrst derivation described dictionary disjunction e.g. John encode equivalent example FEAT feature structures feature terms feature-based Figure ﬁnite ﬁrst ﬂy formalism function generalisation genus term grammar HPSG inference ticket inﬂectional infomiation infonnation inheritance hierarchy language LDOCE lexeme lexical entries lexical rules lexical semantic lexicon linguistic morphemes morphological MORPHS moussaka multiple inheritance node non-default nonmonotonic notion noun object ORTH paradigm path PATR-II pattem Pollard and Sag predicate properties psort QUALIA reentrant relation representation result satisﬁes sense Shieber signiﬁcant speciﬁcation structure F SUBCAT subcategorization subsumption subtypes superclasses syntactic syntax taxonomy TELIC template thematic theory tlink transitive verbs type hierarchy type system typed feature structures uniﬁed verb word word senses