Publications

Marelie Davel

Journal publications:

Davel M., Martirosian O.M., "Pronunciation dictionary development in resource-scarce environments", In Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009), pp 2851-2854, September 2009.

Barnard E., Davel M., van Heerden C., "ASR Corpus design for resource-scarce languages", In Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009), pp 2847-2850, September 2009.

Van Heerden C., Barnard E., Davel M., "Basic speech recognition for spoken dialogues", In Proceedings of the 10th Annual Conference of the International Speech Communication Association (Interspeech 2009), pp 3003-3006, September 2009.

Badenhorst J., van Heerden C., Davel M., Barnard E., "Collecting and evaluating speech recognition corpora for nine Southern Bantu languages", In Proceedings of the 12th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2009), pp 1-8, Athens, Greece, March/April 2009.

M. Davel and E. Barnard, “Pronunciation Prediction with Default & Refine”, Computer Speech and Language, Vol 22, pp 374-393, October 2008.

M. Davel and E. Barnard, “Effort and Accuracy during Language Resource Generation: A Pronunciation Prediction Case Study”, SAIEE Africa Research Journal, Vol 98 (4), pp 124-128, December 2007.

N. Govender, E. Barnard and M.H. Davel, “Pitch modelling for the Nguni languages”, South African Computer Journal, Vol 38, pp 28-39, June 2007.

M. Davel and E. Barnard, “Bootstrapping Pronunciation Dictionaries”, South African Journal of Science, 2006.

J.A. Louw, M. Davel and E. Barnard, “A general-purpose IsiZulu Speech Synthesiser”, South African journal of African languages, 2006.

M. Davel and E. Barnard, “Bootstrapping for the efficient development of pronunciation dictionaries”, Transactions of the SAIEE: Special Issue on Pattern Recognition: Theory and Applications, pp. 6-10, March 2005

Thesis:

M. Davel, “Bootstrapping and pronunciation modelling”, PhD thesis, University of Pretoria, Pretoria, South Africa, 2005.

Book chapters

S. Goronzy, L. Mayfield Tomokiyo, E. Barnard and M. Davel, “Chapter 9: Other challenges: non-native speech, dialects, accents, and local interfaces”, In Multilingual Speech Processing, edited by T. Schultz and K. Kirchoff, Elsevier, April 2006.

Conference Papers:

2008

E. Barnard, M. Plauche and M. Davel, “The Utility of Spoken Dialogue Systems”, In Proceedings of the 2008 IEEE Workshop on Spoken Language Technology (SLT), pp 13-16. December 2008.

J.A.C. Badenhorst and M. Davel, “Data Requirements for Speaker Independent Acoustic Models”, In Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), pp 147-152, Cape Town, South Africa, November 2008.

M.O. Martirosian and M. Davel, “ Acoustic Analysis of Diphthongs in Standard South African English”, In Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), pp 153-158, Cape Town, South Africa, November 2008.

M. Peche, M. Davel and E. Barnard, “Porting a Spoken Language Identification System to a New Environment”, In Proceedings of the 19th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), pp 103-107, Cape Town, South Africa, November 2008.

2007

J. Badenhorst and M. Davel, “The effect of speech rate variation on acoustic phone stability in Afrikaans speech recognition”, In Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), pp 6-9, Pietermaritzburg, South Africa, November 2007.

O.M. Martirosian and M. Davel, “Error analysis of a public domain pronunciation dictionary”, In Proceedings of the 18th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), pp 13-16, Pietermaritzburg, South Africa, November 2007.

M. Peche, M. Davel and E. Barnard, “Phonotactic spoken language identification with limited training data”, In Proceedings of the 8th Annual Conference of the International Speech Communication Association (INTERSPEECH-2007), pp 1537-1540, Antwerp, Belgium, August 2007.

2006

M.Davel and E. Barnard, “Effort and Accuracy during Language Resource Generation: A Pronunciation Prediction Case Study”, In Proceedings of the 17th Annual Symposium of the Pattern Recognition Association of South Africa, pp. 14 - 17, Parys, November 2006.

J. A. Louw and M. Davel,“Halfphones: A Backoff Mechanism for Diphone Unit Selection Synthesis”. In Proceedings of the 17th Annual Symposium of the Pattern Recognition Association of South Africa, pp. 42-45 Parys, November 2006.

E. Barnard and M. Davel , “Automatic error detection in alignments for speech synthesis”, In Proceedings of the 17th Annual Symposium of the Pattern Recognition Association of South Africa, pp. 53- 56 Parys, November 2006.

M. Davel and E. Barnard, “Developing consistent pronunciation variants”, Interspeech, Pittsburgh, USA, September 2006.

E. Barnard, N Govender, V. Zimu, C. Kuun and M. Davel, “Computational models of prosody in the Nguni languages”, ISCA Tutorial and Research Workshop, Stellenbosch, South Africa, April 2006.

M. Davel and E. Barnard, “Extracting pronunciation rules for phonemic variants”, ISCA Tutorial and Research Workshop, Stellenbosch, South Africa, April 2006.

M. Davel and E. Barnard, “Bootstrapping Pronunciation Dictionaries – a South African case study”, CSIR Research and Innovation Conference, February 2006.

2005

C. Kuun, V. Zimu, E. Barnard and M. Davel, “Statistical investigations into isiZulu intonation”, In Proceedings of the 16th Annual Symposium of the Pattern Recognition Association of South Africa, pp. 111-115, Langebaan, South Africa, November 2005.

N. Govender, E. Barnard and M. Davel, “Developing Intonation Corpora for isiXhosa and isiZulu”, In Proceedings of the 16th Annual Symposium of the Pattern Recognition Association of South Africa, pp. 129-132,Langebaan, South Africa, November 2005.

M. Davel and E. Barnard, “Bootstrapping Pronunciation Dictionaries: Practical Issues”, in Proceedings of the 9th International Conference on Spoken Language Processing (Interspeech), Lisbon, Portugal, September 2005.

N. Govender, E. Barnard and M. Davel, “Fundamental frequency and tone in isiZulu: initial experiments”, in Proceedings of the 9th International Conference on Spoken Language Processing (Interspeech), Lisbon, Portugal, September 2005.

J.A. Louw, M. Davel and E. Barnard, “A general-purpose IsiZulu Speech Synthesiser”, The 14th International Conference of the African Language Association of Southern Africa (ALASA), Johannesburg, South Africa, July 2005.

S. Naidoo, E. Barnard and M. Davel, “Telephone based speech interfaces in the developing world, from the perspective of human-human communication”, The 14th International Conference of the African Language Association of Southern Africa (ALASA), Johannesburg, South Africa, July 2005.

2004

M. Davel and E. Barnard, “A default-and-refinement approach to pronunciation prediction”, in Proceedings of the 15th Annual Symposium of the Pattern Recognition Association of South Africa (PRASA), pp. 119-123, Grabouw, South Africa, November 2004.

L. Joubert, V. Zimu, M. Davel and E. Barnard “A framework for bootstrapping morphological decomposition”, (abstract) in Proceedings of the 15th Annual Symposium of the Pattern Recognition Association of South Africa, p. 171, Grabouw, South Africa, November 2004.

M. Davel and E. Barnard, “The Efficient Generation of Pronunciation Dictionaries: Machine Learning Factors during Bootstrapping”, in Proceedings of the 8th International Conference on Spoken Language Processing (Interspeech), pp 2781-2784, Jeju, Korea, October 2004.

M. Davel and E. Barnard, “The Efficient Generation of Pronunciation Dictionaries: Human Factors during Bootstrapping”, In Proceedings of the 8th International Conference on Spoken Language Processing (Interspeech), pp. 2797-2800, Jeju, Korea, October 2004.

2003

M. Davel, “HLT in Peacekeeping”, MICSSA 2003: The Military Information and Communications Symposium of South Africa, Pretoria, South Africa, November 2003

M. Davel and E. Barnard, “Bootstrapping in Language Resource Generation”, in Proceedings of the Pattern Recognition Association of South Africa Symposium, Langebaan, South Africa, November 2003.

M. Davel and E. Barnard, “Human Language Technologies in the Developing World”, The 12th International Conference of the African Language Association of Southern Africa (ALASA), Stellenbosch, South Africa, July 2003.

Earlier publications

M. Davel and E. M. Romanowska, Electronic commerce regulation: global dimensions of e-commerce and the implications for South Africa, Consumer Institute SA Conference: Exploring the Integrity of E-Commerce, Johannesburg, October 1999.

M. Davel, “Electronic commerce security - understanding the issues”, ICM Electronic Commerce Summit, Johannesburg, June 1999.

M. Davel, “How to steal electronic money - the impact of overall system security on electronic business”, AiC Electronic Commerce Conference, Sandton, Gauteng, February 1999.

M. Davel and E.M. Romanowska, “Securing the virtual office”, CSSA conference, Port Elizabeth, August 1998.

M. Hattingh, “The current status of elliptic curve cryptography and its applicability for a large financial institution”, MSc dissertation, University of London, September 1997.

A.J. Pretorius and M. Hattingh, “Firewall configuration for the small systems environment”,12th International Information Security Conference, Samos, Greece, March 1996.

M. Hattingh, A.P. Engelbrecht and I. Cloete, “A routing rule simulator for telephone networks”, International Telecommunications Conference, St Petersburg, Russia, June 1995.