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PULO was an attempt at unidirectional machine translation from an oral-auditive language, Portuguese, into the linear representation of a gestural-visual language, Brazilian Sign Language, or simply Libras. Its main goal was to convert isolated Portuguese sentences into a specialized Libras script (LIST - LIbras Script for Translation) that is a compromise between (i) simplification of the translation process and (ii) sufficiency for speech synthesis in Libras. This script, which is also under specification, was one important by-product of this project.
Features
· human-aided: PULO intends to exploit intensive human aid to achieve high quality translation, which in this specific case heavily relies on e.g. anaphora resolution, sense disambiguation and common sense. It is paramount to mention that no expertise, either in Linguistics or Libras, shall be required of PULO’s aiding users but medium proficiency in Portuguese;
· interlingua-based: PULO employs the semantic representation UNL (Universal Networking Language) as a bridge between Portuguese and LIST;
· comics-driven: current development tackle children’s comics translation. This has been an important simplification analysis step that makes it possible for PULO to circumvent, if only temporarily, such difficult points as complex language and actual narration, which is especially challenging in the case at hand.
Team
Maria das Graças Volpe Nunes (coordinator)
Ronaldo Teixeira Martins (computational linguist in charge)
Ricardo Hasegawa
Juliana Galvani Greghi
Jorge Marques Pelizzoni
Finantial Support
MEC – Brazilian Ministry of Education and Culture
Related Publication
Nunes, M.G.V., Pelizzoni, J. M., Greghi, J. G., Hasegawa, R., Martins, R. T. Projeto PULO. NILC Project Report, Jun. 2003, 80p. download file
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