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Efficient Language Independent Generation from Lexical Conceptual Structures

dc.contributor.authorHabash, Nizaren_US
dc.contributor.authorDorr, Bonnieen_US
dc.contributor.authorTraum, Daviden_US
dc.description.abstractThis paper describes a system for generating natural-language sentences from an interlingual representation, Lexical Conceptual Structure (LCS). The system has been developed as part of a Chinese-English Machine Translation system; however, it is designed to be used for many other MT language pairs and Natural Language applications. The contributions of this work include: (1) Development of a language-independent generation system that maximizes efficiency through the use of a hybrid rule-based/statistical module; (2) Enhancements to an interlingual representation and associated algorithms for interpretation of multiply ambiguous input sentences;(3) Development of an efficient reusable language-independent linearization module with a grammar description language that can be used with other systems; (4) Improvements to an earlier algorithm for hierarchically mapping thematic roles to surface positions; (5) Development of a diagnostic tool for lexicon coverage and correctness and use of the tool for verification of English, Spanish, and Chinese lexicons. An evaluation of translation quality shows comparable performance with a commercial translation system. The generation system can also be straightforwardly extended to other languages and this is demonstrated and evaluated for Spanish. Cross-referenced as UMIACS-TR-2001-43en_US
dc.format.extent4164578 bytes
dc.relation.ispartofseriesUM Computer Science Department; CS-TR-4262en_US
dc.relation.ispartofseriesUMIACS; UMIACS-TR-2001-43en_US
dc.titleEfficient Language Independent Generation from Lexical Conceptual Structuresen_US
dc.typeTechnical Reporten_US
dc.relation.isAvailableAtDigital Repository at the University of Marylanden_US
dc.relation.isAvailableAtUniversity of Maryland (College Park, Md.)en_US
dc.relation.isAvailableAtTech Reports in Computer Science and Engineeringen_US
dc.relation.isAvailableAtUMIACS Technical Reportsen_US

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