Regular models of phonological rule systems
Computational Linguistics - Special issue on computational phonology
Nonconcatenative finite-state morphology
EACL '87 Proceedings of the third conference on European chapter of the Association for Computational Linguistics
A logical approach to Arabic phonology
EACL '91 Proceedings of the fifth conference on European chapter of the Association for Computational Linguistics
Finite-state description of semitic morphology: a case study of Ancient Akkadian
COLING '88 Proceedings of the 12th conference on Computational linguistics - Volume 1
Multi-tape two-level morphology: a case study in semitic non-linear morphology
COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 1
Two-level morphology with composition
COLING '92 Proceedings of the 14th conference on Computational linguistics - Volume 1
Arabic finite-state morphological analysis and generation
COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 1
COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 2
Arabic morphology generation using a concatenative strategy
NAACL 2000 Proceedings of the 1st North American chapter of the Association for Computational Linguistics conference
Arabic morphology using only finite-state operations
Semitic '98 Proceedings of the Workshop on Computational Approaches to Semitic Languages
Revisiting multi-tape automata for semitic morphological analysis and generation
Semitic '09 Proceedings of the EACL 2009 Workshop on Computational Approaches to Semitic Languages
Memory-based morphological analysis generation and part-of-speech tagging of Arabic
Semitic '05 Proceedings of the ACL Workshop on Computational Approaches to Semitic Languages
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This paper examines the phenomenon of consonant spreading in Arabic stems. Each spreading involves a local surface copying of an underlying consonant, and, in certain phonological contexts, spreading alternates productively with consonant lengthening (or gemination). The morphophonemic triggers of spreading lie in the patterns or even in the roots themselves, and the combination of a spreading root and a spreading pattern causes a consonant to be copied multiple times. The interdigitation of Arabic stems and the realization of consonant spreading are formalized using finite-state morphotactics and variation rules, and this approach has been successfully implemented in a large-scale Arabic morphological analyzer which is available for testing on the Internet.