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|Title:||Exploiting Machine Learning Techniques to Build an Event Extraction System for Portuguese and Spanish|
|Authors:||TANEV Hristo; ZAVARELLA Vanni; LINGE Jens; KABADJOV MIJAIL; PISKORSKI Jakub; ATKINSON Martin; STEINBERGER Ralf|
|Citation:||LinguaMATICA - Revista para o Processamento Automatico das Linguas Ibericas vol. 2 p. 55-67|
|Publisher:||Portuguese Association for Articifical Intelligence|
|Type:||Articles in periodicals and books|
|Abstract:||We describe a multilingual methodology for adapting an event extraction system to new languages. The methodology is based on highly multilingual domain-specific grammars and exploits weakly supervised machine learning algorithms for lexical acquisition. We adapted an already existing event extraction system for the domain of conflicts and crises to Portuguese and Spanish languages. The results are encouraging and demonstrate the effectiveness of our approach.|
|JRC Institute:||Institute for the Protection and Security of the Citizen|
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