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Human Language Technology Laboratory

General Information

Human Language Technology Laboratory (HLT) pursues multidisciplinary researches and development in human spoken and written language technologies. Its primary objective is the facilitation of human-machine and human-human communication such as machine translation, information retrieval, speech processing.

Spoken-written language is an indispensable media for human communication; it is though rich of complexity, variety, and ancestral sophistication. It plays an important role as intellectual and cultural heritage differing in regions. Human language processing is therefore an important field of research whose results can be widely applied to many other areas. It narrows down language barrier while boosts up equality and distribution of information access.

Research of language processing technology in many countries had been persistently conducted, and most of them centered on major languages such as English, European languages, Japanese, and Chinese. Many applications were launched, e.g. information retrieval on the Internet, speech recognition and synthesis in mobile phones, automatic translation in dialogs, and assistive facilities for the handicapped. Participation to these new technologies is unavoidable in the borderless information world. As a result, the crucial mission of the laboratory is devoted to research and development of Thai language processing technology.

The laboratory consists of five groups:

  1. Speech Processing Group

    focusing in the areas of speech recognition, speech synthesis, speaker detection, and speech corpus annotation

  2. Text Processing Group

    focusing in the areas of machine translation, electronic dictionary, and automatic summarization

  3. Information Retrieval Group

    focusing in the areas of intelligent search engine, information retrieval, and question-answering system

  4. Language Resources and Fundamental Tools Group

    focusing in the areas of Computational Linguistics, corpus construction, fundamental tools for spoken-written language processing (such as Thai word segmentation tool and Thai transliteration tool)

  5. Service and Support Group

    installing and maintaining public and proprietary services and administering internal network communication

Renowned Researches and Products

  1. PARSIT (http://www.suparsit.com): an English-Thai machine translation system offering online free-of-charge translation services

  2. LEXITRON (http://lexitron.nectec.or.th): an electronic English-Thai and Thai-English dictionary offering both online service and offline application

  3. SANSARN (http://www.sansarn.com): an intelligent search engine particularized for Thai documents

  4. VAJA (http://www.nectec.or.th/rdi/vaja): a high-fidelity Thai speech synthesizer offering both online service and offline application

  5. ISPEECH (http://www.nectec.or.th/rdi/ispeech): a Thai speech recognizer offering both online service and offline application

  6. Corpora for text and speech processing, e.g.

Contact :

Dr.Chai Wutiwiwatchai

Dr.Chai Wutiwiwatchai
Acting Chief of Human Language Technology Laboratory

National Electronics and Computer Technology Center
112 Thailand Science Park, Phahon Yothin Rd.,
Klong 1, Klong Luang, Pathumthani 12120, Thailand

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112 Phahon Yothin Rd., Klong 1, Klong Luang, Pathumthani 12120,Thailand
Tel. 02-564-6900 ext 2335 - 2340
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