Mr W.V Welgama

Senior Lecturer

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0112158975

Research Interests:

  • Computational Morphology/Computational Linguistics
  • Automatic Text Summarization
  • Natural Language Processing/Text Processing
Research Projects
  • Moderating and Localization of Microsoft Office 15 (2012)
  • Defining Country Names and Country Codes for Sinhala for CLDR (2012)
  • Developing speech recognition application for mobile phones with OnMobile Global Limited, India (2010 � 2011)
  • Localization of Microsoft Windows 7 & Office 14 (2010)
  • Localization of Microsoft Windows Vista & Office 11 (2008)
  • Developing a Sinhala Wordnet (2007 � 2009)
  • Building a 100k words parallel and tagged corpus with English (2007 � 2009)
  • Defining the Sinhala Tagset (2007 � 2009)
  • Defining the Sinhala IT glossary for Microsoft (2007)
  • Developing Microsoft speller lexicon for Sinhala (2007)
  • Compilation of 10M words Sinhala Text Corpus (2004 � 2006)
  • Developing Sinhala Text to Speech System (2004 � 2006)
Publications
  • Viraj Welgama, Ruvan Weerasinghe, Mahesan Niranjan (2013). Evaluating a Machine Learning Approach to Sinhala Morphological Analysis. 10th International Conference on Natural Language Processing. CDAC, NOIDA, India, 18-20 December 2013.
  • Thilini Nadungodage, Viraj Welgama, Ruvan Weerasinghe (2013). Developing a Speech Corpus for Sinhala Speech Recognition. 10th International Conference on Natural Language Processing. CDAC, NOIDA, India, 18-20 December 2013.
  • Viraj Welgama (2011) Evaluation of Shallow Stemming Algorithm for Sinhala, Poster in Sri Lanka Student Workshop on Computer Science, Faculty of Science, University of Jaffna. December 2011
  • Viraj Welgama, Dulip Lakmal Herath, Chamila Liyanage, Namal Udalamatta, Ruvan Weerasinghe and Tissa Jayawardana (2011). Towards a Sinhala Wordnet. Conference on Human Language Technology for Development 2011. Alexandria, Egypt, 3-5 May 2011.
  • Weerasinghe, A. R, Herath, D. L, Welgama, V. “Corpus-based Sinhala Lexicon”. �07th Asian Language Resource Workshop, ACL-IJCNLP 2009, Singapore � August 2009
  • Weerasinghe, A. R, Wasala, A, Herath, D L, Welgama V. “NLP Applications of Sinhala: TTS & OCR”. 03rd International Joint Conference on Natural Language Processing, Hyderabad, India � January 2008
  • Weerasinghe, A. R, Wasala, A, Herath, D L, Welgama V, Gamage K. “Festival-si: A Sinhala Text-to-Speech System” 10th Conference on Text, Speech and Dialogue (TSD 2007), Plze?, Czech Republic � September 2007