Asela Gunawardana

Asela Gunawardana
RESEARCHER
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Publications

2014

Qi Li, Gokhan Tur, Dilek Hakkani-Tur, Xiang Li, Tim Paek, Asela Gunawardana, and Chris Quirk, Distributed open-domain conversational understanding framework with domain-independent extractors, in Proceedings of Spoken Language Technology Workshop, IEEE – Institute of Electrical and Electronics Engineers, December 2014

2013

Guy Shani and Asela Gunawardana, Tutorial on application-oriented evaluation of recommendation systems, in AI Communications, IOS Press, 2013

2012

Ankur P. Parikh, Asela Gunawardana, and Christopher Meek, Conjoint Modeling of Temporal Dependencies in Event Streams, in UAI Bayesian Modelling Applications Workshop, 18 August 2012

2011

Asela Gunawardana, Christopher Meek, and Puyang Xu, A Model for Temporal Dependencies in Event Streams, in Neural Information Processing Systems, Neural Information Processing Systems Foundation, December 2011

Puyang Xu, Sanjeev Khudanpur, and Asela Gunawardana, Randomized Maximum Entropy Language Models, in Automatic Speech Recognition and Understanding, IEEE SPS, December 2011

Puyang Xu, Asela Gunawardana, and Sanjeev Khudanpur, Efficient Subsampling for Training Complex Language Models, in Empirical Methods in Natural Language Processing, Association for Computational Linguistics, July 2011

Guy Shani, Asela Gunawardana, and Christopher Meek, Unsupervised hierarchical probabilistic segmentation of discrete events, in Intelligent Data Analysis, IOS Press, 27 June 2011

Guy Shani and Asela Gunawardana, Evaluating Recommendation Systems, in Recommender Systems Handbook, Springer, 2011

2010

Paul G. Constantine, Abraham Flaxman, David F. Gleich, and Asela Gunawardana, Tracking the random surfer: Empirically measured teleportation parameters in PageRank, in WWW, Association for Computing Machinery, Inc., April 2010

Asela Gunawardana, Tim Paek, and Christopher Meek, Usability Guided Key-Target Resizing for Soft Keyboards, in International Conference on Intelligent User Interfaces, Association for Computing Machinery, Inc., February 2010

2009

Guy Shani, Christopher Meek, and Asela Gunawardana, Hierarchical Probabilistic Segmentation of Discrete Events, in IEEE International Conference on Data Mining, IEEE, 6 December 2009

Asela Gunawardana and Guy Shani, A Survey of Accuracy Evaluation Metrics of Recommendation Tasks, in Journal of Machine Learning Research, vol. 10, pp. 2935-2962, December 2009

Guy Shani and Asela Gunawardana, Evaluating Recommender Systems, no. MSR-TR-2009-159, November 2009

Asela Gunawardana and Christopher Meek, A Unified Approach to Building Hybrid Recommmender Systems, in ACM International Conference on Recommender Systems, Association for Computing Machinery, Inc., October 2009

2008

Asela Gunawardana and Christopher Meek, Tied Boltzmann Machines for Cold Start Recommendations, in ACM International Conference on Recommender Systems, Association for Computing Machinery, Inc., October 2008

Asela Gunawardana, Christopher Meek, and Jody Biggs, A Quality-Based Auction for Search Ad Markets with Aggregators, in ACM EC Workshop on Ad Auctions, Association for Computing Machinery, Inc., June 2008

Asela Gunawardana and Christopher Meek, Aggregators and Contextual Effects in Search Ad Markets, in WWW Workshop on Targeting and Ranking for Online Advertising, Association for Computing Machinery, Inc., April 2008

2007

Xiao Li, Asela Guanawardana, and Alex Acero, Adapting grapheme-to-phoneme conversion for name recognition, in IEEE Workshop on Automatic Speech Recognition and Understanding, Institute of Electrical and Electronics Engineers, Inc., December 2007

Ajit P. Singh, Asela Gunawardana, Chris Meek, and Arun C. Sudendran, Recommendations Using Absorbing Random Walks, in North East Student Colloquium on Artificial Intelligence, 2007

2006

Milind Mahajan, Asela Gunawardana, and Alex Acero, Training algorithms for hidden conditional random fields, in International Conference on Acoustics, Speech, and Signal Processing, Institute of Electrical and Electronics Engineers, Inc., May 2006

2005

Jasha Droppo, Milind Mahajan, Asela Gunawardana, and Alex Acero, How to Train a Discriminative Front End with Stochastic Gradient Descent and Maximum Mutual Information, in Proc. of the IEEE Workshop on Automatic Speech Recognition and Understanding, Institute of Electrical and Electronics Engineers, Inc., Puerto Rico, December 2005

Asela Gunawardana and William Byrne, Convergence theorems for generalized alternating minimization procedures, in Journal of Machine Learning Research, MIT Press, December 2005

Asela Gunawardana, Milind Mahajan, Alex Acero, and John C. Platt, Hidden Conditional Random Fields for Phone Classification, in International Conference on Speech Communication and Technology, International Speech Communication Association, September 2005

Xiao Li, Asela Gunawardana, and Alex Acero, Unsupervised semantic intent discovery from call log acoustics, in International Conference on Acoustics, Speech, and Signal Processing, Institute of Electrical and Electronics Engineers, Inc., August 2005

2003

Asela Gunawardana and Alex Acero, Adapting acoustic models to new domains and conditions using untranscribed data, in International Conference on Speech Communication and Technology, International Speech Communication Association, September 2003

2001

Asela Gunawardana and William Byrne, Discriminative speaker adaptation with conditional maximum likelihood linear regression, in International Conference on Speech Communication and Technology, International Speech Communication Association, September 2001

Asela Gunawardana and William Byrne, Convergence of DLLR rapid speaker adaptation algorithms, in ISCA-ITR Workshop on Adaptation Methods for Speech Recognition, International Speech Communication Association, August 2001

Asela Gunawardana, The Information Geometry of EM Variants for Speech and Image Processing, The Johns Hopkins University, May 2001

Asela Gunawardana and William Byrne, Discounted likelihood linear regression for rapid speaker adaptation, in Computer Speech and Language, vol. 15, no. 1, pp. 15--38, Elsevier , January 2001

2000

William Byrne and Asela Gunawardana, Comments on "Efficient training algorithms for HMM's using incremental estimation.", in IEEE Transactions on Speech an Audio Processing, Institute of Electrical and Electronics Engineers, Inc., November 2000

Asela Gunawardana and William Byrne, Robust estimation for rapid speaker adaptation using discounted likelihood techniques, in International Conference on Acoustics, Speech, and Signal Processing, Institute of Electrical and Electronics Engineers, Inc., June 2000

1999

William Byrne and Asela Gunawardana, Discounted likelihood linear regression for rapid adaptation, in European Conference on Speech Communication and Technology, International Speech Communication Association, September 1999

William Byrne and Asela Gunawardana, Convergence of EM variants, in IEEE Information Theory Workshop on Decisions, Estimation, Classification, and Imaging, Institute of Electrical and Electronics Engineers, Inc., February 1999

1994

Andrew Dougherty and Asela Gunawardana, The Mean Shape of Three-Dimensional Dendrites: A Comparison of Pivalic Acid and Ammonium Chloride, in Physical Review E, 1994

Plugs

I'm a member of the Machine Learning Department at Microsoft Research, Redmond.

I got my Phd at the Center for Language and Speech Processing at The Johns Hopkins University, and my BS at Lafayette College.