Proceedings of the Seventh Conference (AISB89) on Artificial Intelligence and Simulation of Behaviour
Cumulative default logic: in defense of nonmonotonic inference rules
Artificial Intelligence
The logic of typed feature structures
The logic of typed feature structures
Feature structures and nonmonotonicity
Computational Linguistics - Special issue on inheritance: I
Inheritance in natural language processing
Computational Linguistics - Special issue on inheritance: I
Inheritance and complementation: a case study of easy adjectives and related nouns
Computational Linguistics - Special issue on inheritance: II
Skeptical and credulous default unification with applications to templates and inheritance
Inheritance, defaults and the lexicon
Feature-based inheritance networks for computational lexicons
Inheritance, defaults and the lexicon
A practical approach to multiple default inheritance for unification-based lexicons
Inheritance, defaults and the lexicon
Types and constraints in the LKB
Inheritance, defaults and the lexicon
LKB encoding of lexical knowledge
Inheritance, defaults and the lexicon
Defaults in lexical representation
Inheritance, defaults and the lexicon
Untangling definition structure into knowledge representation
Inheritance, defaults and the lexicon
DATR: a language for lexical knowledge representation
Computational Linguistics
EACL '93 Proceedings of the sixth conference on European chapter of the Association for Computational Linguistics
EACL '89 Proceedings of the fourth conference on European chapter of the Association for Computational Linguistics
A tool for the automatic creation, extension and updating of lexical knowledge bases
EACL '87 Proceedings of the third conference on European chapter of the Association for Computational Linguistics
Structure-sharing in lexical representation
ACL '85 Proceedings of the 23rd annual meeting on Association for Computational Linguistics
Multiple default inheritance in a unification-based lexicon
ACL '91 Proceedings of the 29th annual meeting on Association for Computational Linguistics
A logical semantics for nonmonotonic sorts
ACL '93 Proceedings of the 31st annual meeting on Association for Computational Linguistics
Priority union and generalization in discourse grammars
ACL '94 Proceedings of the 32nd annual meeting on Association for Computational Linguistics
Defaults in unification grammar
ACL '90 Proceedings of the 28th annual meeting on Association for Computational Linguistics
COLING '90 Proceedings of the 13th conference on Computational linguistics - Volume 3
COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 2
A simple reconstruction of GPSG
COLING '86 Proceedings of the 11th coference on Computational linguistics
DISCO: an HPSG-based NLP system and its application for appointment scheduling
COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 1
Lexical ambiguity and the role of knowledge representation in lexicon design
COLING '90 Proceedings of the 13th conference on Computational linguistics - Volume 2
Enjoy the paper: lexical semantics via lexicology
COLING '90 Proceedings of the 13th conference on Computational linguistics - Volume 2
Multiword Expressions: A Pain in the Neck for NLP
CICLing '02 Proceedings of the Third International Conference on Computational Linguistics and Intelligent Text Processing
Lexical rules in constraint-based grammars
Computational Linguistics
Efficient feature structure operations without compilation
Natural Language Engineering
Representing a system of lexical types using default unification
EACL '99 Proceedings of the ninth conference on European chapter of the Association for Computational Linguistics
Lenient default unification for robust processing within unification based grammar formalisms
COLING '02 Proceedings of the 19th international conference on Computational linguistics - Volume 1
The acquisition of word order by a computational learning system
ConLL '00 Proceedings of the 2nd workshop on Learning language in logic and the 4th conference on Computational natural language learning - Volume 7
Computational Linguistics
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Default unification has been used in several linguistic applications. Most of them have utilized defaults at a metalevel, as part of an extended description language. We propose that allowing default unification to be a fully integrated part of a typed feature structure system requires default unification to be a binary, order independent function, so that it acquires the perspicuity and declarativity familiar from normal unification-based frameworks. Furthermore, in order to respect the behaviour of defaults, default unification should allow default reentrancies and values on more general types to be overridden by conflicting default information on more specific types. We define what we believe is the first version of default unification to fully satisfy these criteria, and argue that it can improve the representation of a range of phenomena in syntax, semantics and the lexico-pragmatic interface.