Summary of the paper
| Title | Building Bilingual Lexicons using Lexical Translation Probabilities via Pivot Languages |
|---|---|
| Authors | Takashi Tsunakawa, Naoaki Okazaki and Jun’ichi Tsujii |
| Abstract | This paper proposes a method of increasing the size of a bilingual lexicon obtained from two other bilingual lexicons via a pivot language. When we apply this approach, there are two main challenges, “ambiguity” and “mismatch” of terms; we target the latter problem by improving the utilization ratio of the bilingual lexicons. Given two bilingual lexicons between language pairs Lf-Lp and Lp-Le, we compute lexical translation probabilities of word pairs by using a statistical word-alignment model, and term decomposition/composition techniques. We compare three approaches to generate the bilingual lexicon: “exact merging”, “word-based merging”, and our proposed “alignment-based merging”. In our method, we combine lexical translation probabilities and a simple language model for estimating the probabilities of translation pairs. The experimental results show that our method could drastically improve the number of translation terms compared to the two methods mentioned above. Additionally, we evaluated and discussed the quality of the translation outputs. |
| Language | Multiple languages |
| Topics | Lexicon, lexical database, Machine Translation, SpeechToSpeech Translation, Statistical methods |
Full paper |
Building Bilingual Lexicons using Lexical Translation Probabilities via Pivot Languages |
Slides |
Building Bilingual Lexicons using Lexical Translation Probabilities via Pivot Languages |
| Bibtex | @InProceedings{TSUNAKAWA08.423, author = {Takashi Tsunakawa, Naoaki Okazaki and Jun’ichi Tsujii}, title = {Building Bilingual Lexicons using Lexical Translation Probabilities via Pivot Languages}, booktitle = {Proceedings of the Sixth International Conference on Language Resources and Evaluation (LREC'08)}, year = {2008}, month = {may}, date = {28-30}, address = {Marrakech, Morocco}, editor = {Nicoletta Calzolari (Conference Chair), Khalid Choukri, Bente Maegaard, Joseph Mariani, Jan Odijk, Stelios Piperidis, Daniel Tapias}, publisher = {European Language Resources Association (ELRA)}, isbn = {2-9517408-4-0}, note = {http://www.lrec-conf.org/proceedings/lrec2008/}, language = {english} } |