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Generating a Morphological Lexicon of Organization Entity Names / Ljubešić, Nikola ; Lauc, Tomislava ; Boras, Damir.

By: Ljubešić, Nikola, informatičar.
Contributor(s): Boras, Damir [aut] | Lauc, Tomislava [aut].
Material type: ArticleArticleDescription: str.Other title: Generating a Morphological Lexicon of Organization Entity Names [Naslov na engleskom:].Subject(s): 5.04 | morphological lexicon, lexicon generation, organization entity names, linear successive abstraction hrv | morphological lexicon, lexicon generation, organization entity names, linear successive abstraction engOnline resources: Click here to access online In: Sixth International Language Resources and Evaluation Conference (28-30.5.2008. ; Marakeš, Maroko) Proceedings of the Sixth International Language Resources and Evaluation (LREC'08)Nicoletta Calzolari (Conference Chair), Khalid Choukri, Bente Maegaard, Joseph Mariani, Jan Odjik, Stelios Piperidis, Daniel TapiasSummary: This paper describes methods used for generating a morphological lexicon of organization entity names in Croatian. This resource is intended for two primary tasks: template-based natural language generation and named entity identification. The main problems concerning the lexicon generation are high level of inflection in Croatian and low linguistic quality of the primary resource containing named entities in normal form. The problem is divided into two subproblems concerning single- word and multi-word expressions. The single-word problem is solved by training a supervised learning algorithm called linear successive abstraction. With existing common language morphological resources and two simple hand-crafted rules backing up the algorithm, accuracy of 98.70% on the test set is achieved. The multi-word problem is solved through a semi- automated process for multi-word entities occurring in the first 10, 000 named entities. The generated multi-word lexicon will be used for natural language generation only while named entity identification will be solved algorithmically in forthcoming research. The single-word lexicon is capable of handling both tasks.
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This paper describes methods used for generating a morphological lexicon of organization entity names in Croatian. This resource is intended for two primary tasks: template-based natural language generation and named entity identification. The main problems concerning the lexicon generation are high level of inflection in Croatian and low linguistic quality of the primary resource containing named entities in normal form. The problem is divided into two subproblems concerning single- word and multi-word expressions. The single-word problem is solved by training a supervised learning algorithm called linear successive abstraction. With existing common language morphological resources and two simple hand-crafted rules backing up the algorithm, accuracy of 98.70% on the test set is achieved. The multi-word problem is solved through a semi- automated process for multi-word entities occurring in the first 10, 000 named entities. The generated multi-word lexicon will be used for natural language generation only while named entity identification will be solved algorithmically in forthcoming research. The single-word lexicon is capable of handling both tasks.

Projekt MZOS 130-1301679-1380

Projekt MZOS 130-1301799-1999

ENG

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