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  1. Audio Quality Issue for Automatic Speech Assessment

    Author(s): Chen, Lei

    Publication Year: 2009

    Source: International Speech Communication Association International Workshop on Speech and Language Technology in Education (SLaTE), Warwickshire, England, Sep 3-5, 2009

  2. Using Multimodal Cues to Analyze MLA'14 Oral Presentation Quality Corpus: Presentation Delivery and Slides Quality

    Author(s): Chen, Lei ; Leong, Chee Wee ; Feng, Gary ; Lee, Chong Min

    Publication Year: 2014

    Source: Proceedings of the 2014 ACM workshop on Multimodal Learning Analytics Workshop and Grand Challenge (MLA '14). ACM, New York City, USA, p45-52, Nov 2014

  3. Evaluating Unsupervised Language Model Adaptation Methods for Speaking Assessment

    Author(s): Xie, ShaSha ; Chen, Lei

    Publication Year: 2013

    Source: Proceedings of the Eighth Workshop on the Innovative Use of NLP for Building Educational Applications, Atlanta, GA, June 13, 2013, p288-292

  4. Applying Unsupervised Learning To Support Vector Space Model Based Speaking Assessment

    Author(s): Chen, Lei

    Publication Year: 2013

    Source: Proceedings of the Eighth Workshop on the Innovative Use of NLP for Building Educational Applications, Atlanta, GA, June 13, 2013, p58-62

  5. Automatic Evaluation of Spoken Summaries: The Case of Language Assessment

    Author(s): Loukina, Anastassia ; Zechner, Klaus ; Chen, Lei

    Publication Year: 2014

    Source: Proceedings of the Ninth Workshop on Innovative Use of NLP for Building Educational Applications, Baltimore, MD, Jun 26, 2014, p68-78

  6. Detecting Structural Events for Assessing Non-Native Speech

    Author(s): Chen, Lei ; Yoon, Su-Youn

    Publication Year: 2011

    Source: Proceedings of the Sixth Workshop on Innovative Use of NLP for Building Educational Applications, Jun 24, 2011, p38-45

  7. Automatic Scoring of Non-native Children's Spoken Language Proficiency

    Author(s): Hassanali, Khairun-nisa ; Yoon, Su-Youn ; Chen, Lei

    Publication Year: 2015

    Source: Proceedings of the 2015 SLaTE Conference, Satellite Event of INTERSPEECH 2015, Leipzig, Germany, Sept 4-5, 2015, p13-18.

  8. Predicting Word Accuracy for the Automatic Speech Recognition of Non-Native Speech

    Author(s): Yoon, Su-Youn ; Chen, Lei ; Zechner, Klaus

    Publication Year: 2011

    Source: Proceedings of Interspeech, Nov 2010, p773-776

  9. Feature Selection for Automated Speech Scoring

    Author(s): Loukina, Anastassia ; Zechner, Klaus ; Chen, Lei ; Heilman, Michael

    Publication Year: 2015

    Source: Proceedings of the 2015 Tenth Workshop on Innovative Use of NLP for Building Educational Applications, Denver, CO, June 4, 2015, p12-19.

  10. Applying Feature Bagging for More Accurate and Robust Automated Speaking Assessment

    Author(s): Chen, Lei

    Publication Year: 2011

    Source: Proceedings of the 2011 IEEE Workshop on Automated Speech Recognition and Understanding (ASRU), p473-477

  11. Automatic Scoring of Children's Read-Aloud Text Passages and Word Lists

    Author(s): Zechner, Klaus ; Sabatini, John P. ; Chen, Lei

    Publication Year: 2009

    Source: Proceedings of the Fourth Workshop on Innovative Use of NLP for Building Educational Applications, 2009, p10-18

  12. Improved Pronunciation Features for Construct-driven Assessment of Non-native Spontaneous Speech

    Author(s): Chen, Lei ; Zechner, Klaus ; Xi, Xiaoming

    Publication Year: 2009

    Source: Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Jun 2009, p442-449

  13. Utilizing Gestures to Improve Sentence Boundary Detection

    Author(s): Chen, Lei ; Harper, Mary P.

    Publication Year: 2011

    Source: Multimedia Tools and Applications, v51 n3 p1035-1067, Feb 2011

  14. Automated Content Scoring of Spoken Responses Containing Multiple Parts with Factual Information

    Author(s): Xiong, Wenting ; Evanini, Keelan ; Zechner, Klaus ; Chen, Lei

    Publication Year: 2013

    Source: Proceedings of SLaTE 2013. Interspeech 2013 Satellite Workshop on Speech and Language Technology in Education, Grenoble, France, Aug 30-31 and Sept 1, 2013, p137-142

  15. Evaluating Prosodic Features for Automated Scoring of Non-Native Read Speech

    Author(s): Zechner, Klaus ; Xi, Xiaoming ; Chen, Lei

    Publication Year: 2011

    Source: Proceedings of ASRU-2011, Hawaii, Dec 2011

  16. Automated Scoring of Speaking Items in an Assessment for Teachers of English as a Foreign Language

    Author(s): Zechner, Klaus ; Evanini, Keelan ; Yoon, Su-Youn ; Davis, Lawrence ; Wang, Xinhao ; Chen, Lei ; Lee, Chong Min ; Leong, Chee Wee

    Publication Year: 2014

    Source: Proceedings of the Ninth Workshop on Innovative Use of NLP for Building Educational Applications, p1363-1373, Oct 2014

  17. An Analysis of Time-Aggregated and Time-Series Features for Scoring Different Aspects of Multimodal Presentation Data

    Author(s): Ramanarayanan, Vikram ; Chen, Lei ; Leong, Chee Wee ; Feng, Gary ; Suendermann-Oeft, David

    Publication Year: 2015

    Source: INTERSPEECH 2015. 16th Annual Conference of the International Speech Communication Association, Dresden, Germany, Sept 6 - 10, 2015, p1373-1377.

  18. Is Getting the Right Answer Just About Choosing the Right Words? The Role of Syntactically-Informed Features in Short Answer Scoring.

    Author(s): Higgins, Derrick ; Brew, Chris ; Heilman, Michael ; Ziai, Ramon ; Chen, Lei ; Cahill, Aoife ; Flor, Michael ; Madnani, Nitin ; Tetreault, Joel ; Blanchard, Daniel ; Napolitano, Diane ; Lee, Chong Min ; Blackmore, John

    Publication Year: 2014

    Source: arXiv.org, Cornell Univrsity Library Open Access e-Prints, Computation and Language, Mar 5, 2014

  19. Application of Structural Events Detected on ASR Outputs for Automated Speaking Assessment

    Author(s): Chen, Lei ; Yoon, Su-Youn

    Publication Year: 2012

    Source: Proceedings of the 13th Annual Conference of the International Communication Association, 2012

  20. Utilizing Cumulative Logit Models and Human Computation on Automated Speech Assessment

    Author(s): Chen, Lei

    Publication Year: 2012

    Source: Proceedings of the 7th Workshop on the Innovative Use of NLP for Building Educational Applications, 2012, p73–79

  21. An Initial Analysis of Structured Video Interviews by Using Multimodal Emotion Detection

    Author(s): Chen, Lei ; Yoon, Su-Youn ; Leong, Chee Wee ; Martin, Michelle ; Ma, Min

    Publication Year: 2014

    Source: Proceedings of the 2014 Workshop on Emotion Representation and Modelling in Human-Computer-Interaction-Systems (ERM4HCI '14). ACM, New York City, USA, p1-6, Nov 2014

  22. A Prototype Public Speaking Skills Assessment: An Evaluation of Human-Scoring Quality

    Author(s): Joe, Jilliam N. ; Kitchen, Christopher ; Chen, Lei ; Feng, Gary

    Publication Year: 2015

    Source: ETS Research Report

  23. Towards Using Structural Events To Assess Non-Native Speech

    Author(s): Chen, Lei ; Tetreault, Joel R. ; Xi, Xiaoming

    Publication Year: 2010

    Source: Proceedings of the Fifth Workshop on Innovative Use of NLP for Building Educational Applications, Los Angeles, CA, Jun 5, 2010, p74-79

  24. Towards Automated Assessment Of Public Speaking Skills Using Multimodal Cues

    Author(s): Chen, Lei ; Feng, Gary ; Joe, Jilliam N. ; Leong, Chee Wee ; Kitchen, Christopher ; Lee, Chong Min

    Publication Year: 2014

    Source: Proceedings of the 16th International Conference on Multimodal Interaction, November 12-16, 2014, Istanbul, Turkey

  25. Automated Scoring of Speaking Tasks in the Test of English-for-Teaching (TEFT)

    Author(s): Zechner, Klaus ; Chen, Lei ; Davis, Larry ; Evanini, Keelan ; Lee, Chong Min ; Leong, Chee Wee ; Wang, Xinhao ; Yoon, Su-Youn

    Publication Year: 2015

    Source: ETS Research Report

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