Luchezar Jackov


2015

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Feature-Rich Part-Of-Speech Tagging Using Deep Syntactic and Semantic Analysis
Luchezar Jackov
Proceedings of the International Conference Recent Advances in Natural Language Processing

2014

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Mаchine Translation Based on WordNet and Dependency Relations
Luchezar Jackov
Proceedings of the First International Conference on Computational Linguistics in Bulgaria (CLIB 2014)

The proposed machine translation (MT) approach uses WordNet (Fellbaum, 1998) as a base for concepts. It identifies the concepts and dependency relations using context-free grammars (CFGs) enriched with features, role markers and dependency markers. Multiple interpretation hypotheses are generated and then are scored using a knowledge base for the dependency relations. The hypothesis with the best score is used for generating the translation. The approach has already been implemented in an MT system for seven languages, namely Bulgarian, English, French, Spanish, Italian, German, and Turkish, and also for Chinese on experimental level.
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