Translation of Pronominal Anaphora between English and Spanish: Discrepancies and Evaluation
Authors: A. Ferrandez, J. Peral
AI-generated Key Points
- The paper evaluates the tasks involved in translating pronominal anaphora in a machine translation (MT) system
- The study focuses on the MT interlingua approach called AGIR, which addresses several issues overlooked by other systems
- AGIR is capable of translating intersentential anaphors, detecting co-reference chains, and accurately translating Spanish zero pronouns into English
- Various types of knowledge, including lexical, morphological, syntactic, and semantic information, are used to resolve and evaluate these anaphora problems in AGIR
- The translation of third-person personal pronouns in English and Spanish (including Spanish zero pronouns) is assessed using unrestricted corpora
- Results show a precision rate of 80.4% for Spanish pronoun translation and 84.8% for English pronoun translation
- The authors suggest that their approach can be extended to other languages such as Portuguese, Italian, or Japanese
- This research contributes to improving machine translation systems by addressing pronominal anaphora challenges and providing effective solutions for accurate translation across different languages
Abstract: This paper evaluates the different tasks carried out in the translation of pronominal anaphora in a machine translation (MT) system. The MT interlingua approach named AGIR (Anaphora Generation with an Interlingua Representation) improves upon other proposals presented to date because it is able to translate intersentential anaphors, detect co-reference chains, and translate Spanish zero pronouns into English---issues hardly considered by other systems. The paper presents the resolution and evaluation of these anaphora problems in AGIR with the use of different kinds of knowledge (lexical, morphological, syntactic, and semantic). The translation of English and Spanish anaphoric third-person personal pronouns (including Spanish zero pronouns) into the target language has been evaluated on unrestricted corpora. We have obtained a precision of 80.4% and 84.8% in the translation of Spanish and English pronouns, respectively. Although we have only studied the Spanish and English languages, our approach can be easily extended to other languages such as Portuguese, Italian, or Japanese.
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