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Semantic disambiguation in a MT system based on a bilingual dictionary

Jassem K., Wagner A.

Archives of Acoustics

2007

Vol. 32, No. 1

75-87

The paper presents an approach to semantic disambiguation in a transfer MT system based on a bilingual dictionary, i.e. the dictionary built from source-target pairs. The approach assumes building a concept ontology for nouns. The ontological concepts are applied as semantic values in lexical rules for verbs, adjectives and prepositions. A set of "semantic accommodation" rules is developed. The set is consulted during the process of semantic disambiguation that follows syntactical parsing. The approach has been applied in a commercial bi-directional Polish-English MT system called Translatica.

A Conceptual ontology for machine translation from/into Polish

Jassem K., Wagner A.

Archives of Control Sciences

2005

Vol. 15, no. 4

567-574

The paper presents a conceptual ontology that has been developed for the purpose of machine translation from and into Polish. The ontology has been applied in Translatica - a general domain MT system that currently translates texts between Polish and English and aims at the development of other language pairs including Polish. The Translatica ontology, designed mainly for disambiguation purposes, contains noun terms. The ontological concepts are applied as semantic values in lexical rules for verbs, adjectives and prepositions. The ontology is based on WordNet. The paper compares the adopted approach to those used in other transfer-based and interlingua-based syustems. It also points out justifies the differences between the Translatica ontology and WordNet.