Ariya Rastrow

Ariya RastrowE-mail: my first name at jhu dot edu

About me:

I was a PhD candidate at the Center for Language and Speech Processing in the Electrical and Computer Engineering Department at the Johns Hopkins University. I was also affiliated with the Human Language Technology Center of Excellence (HLTCOE). My research advisor was Frederick Jelinek.

NEWS:

Our paper got accepted to “ACL 2012

I have been awarded “The Frederick Jelinek Fellowship

Our papers got accepted to ASRU workshop!


 

My CV in PDF format.

Upcoming conferences:

ASRU                         December 11th-16th 2011

NAACL-HLT              June 1st-6th 2010

ICASSP                     March 15th-19th 2010

 

Publications:

A. Rastrow, M. Dredze, S. Khudanpur “Fast Syntactic Analysis for Statistical Language Modeling via Substructure Sharing and Uptraining”, The 50th Annual Meeting of Association for Computational Linguistics (ACL), 2012 (accepted).

A. Rastrow, M. Dredze, S. Khudanpur “Efficient Discriminative Training of Long-span Language Models”, IEEE Automatic Speech Recognition and Understanding (ASRU) Workshop, 2011.

A. Rastrow, M. Dredze, S. Khudanpur “Adapting n-gram Maximum Entropy Language Models with Conditional Entropy Regularization”, IEEE Automatic Speech Recognition and Understanding (ASRU) Workshop, 2011.

A. Rastrow, M. Dreyer, A. Sethy, S. Khudanpur, B. Ramabhadran and M. Dredze ”Hill Climbing on Speech Lattices: A New Rescoring Framework”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), April 2011. [paper | slides]

G. Kurata, A. Sethy, B. Ramabhadran, A. Rastrow, N. Itoh and M. Nishimura ”Acoustically discrim- inative language model training with pseudo-hypothesis”, Speech Communication, Volume 5, Issue 2, pages 219-228, 2011.

C. Parada, M. Dredze, A. Sethy, and A. Rastrow. ”Learning Sub-Word Units for Open Vocabulary Speech Recognition” ACL, 2011.

A. Rastrow, F. Jelinek, A. Sethy, B. Ramabhadran ”Unsupervised Model Adaptation using Information-Theoretic Criterion”, North American Chapter of the Association for Computational Linguistics (NAACL), June 2010. [paper | slides]

D. Povey, L. Burget, et al. ”Subspace Gaussian Mixture Models – A Structured Model for Speech Recognition”, Computer Speech and Language.

A. Goshal, D. Povey, et al. ”A Novel Estimation of Feature-space MLLR for Full- Covarinace Models”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), March 2010.

L. Burget, P. Schwarz, et. al. ”Multilingual Acoustic Modeling for Speech Recognition based on Subspace Gaussian Mixture Models”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), March 2010.

D. Povey, L. Burget, et al. ”Subspace Gaussian Mixture Models for Speech Recognition”,IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), March 2010.

N. Goel, S. Thomas, et al. ”Approaches to Automatic Lexicon Learning with Limited Training Examples”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), March 2010.

A. Rastrow, A. Sethy, B. Ramabhadran “Constrained Discriminative Training of N-gram Language Models”, IEEE Automatic Speech Recognition and Understanding (ASRU)  Workshop,  December 2009. [paper | poster]

A. Rastrow, A. Sethy, B. Ramabhadran, F. Jelinek ”Towards Using Hybrid Word and Fragment Units for Vocabulary Independent LVCSR Systems”, In Proceedings of INTERSPEECH, September 2009. [paper | slides]

C. M. White, A. Rastrow, S. Khudanpur, F. Jelinek ”Unsupervised Estimation of the Language Model Scaling Factor”, In Proceedings of INTERSPEECH, September 2009. [paper]

A. Rastrow, A. Sethy, B. Ramabhadran, ”A New Method For OOV Detection Using Hybrid Word/Fragment System”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), April 2009. [paper | slides]

L. Burget, P. Schwarz, P. Matejka, M. Hannemann, A. Rastrow, C. White, S. Khudanpur, H. Hermansky, J. Cernocky, ”Combination of Strongly and Weakly Constrained Recognizers for Reliable Detection of OOVs”, IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), April 2008. [paper]

Education:

September 2006-Present
PhD Candidate, Electrical and Computer Engineering,
Johns Hopkins University, Baltimore, MD
Advisor: Frederick Jelinek (deceased)
Expected graduation data: May 2012

May 2007
MSE Electrical and Computer Engineering,
Johns Hopkins University, Baltimore, MD

August 2006
Sharif University of Technology, Tehran, IRAN
BSc Electrical Engineering and Computer Engineering

Center for Language and Speech Processing