Nancy F. Chen Publications

2024

• Florian Le Bronnec, Song Duong, Mathieu Ravaut, Alexandre Allauzen, Nancy F Chen, Vincent Guigue, Alberto Lumbreras, Laure Soulier, Patrick Gallinari. LOCOST: State-Space Models for Long Document Abstractive Summarization, EACL 2024.  [Best Paper Award]

• Wang, Bin, Zhengyuan Liu, Xin Huang, Fangkai Jiao, Yang Ding, Ai Ti Aw, and Nancy F. Chen. SeaEval for Multilingual Foundation Models: From Cross-Lingual Alignment to Cultural Reasoning, NAACL 2024.

• Fangkai Jiao, Zhiyang Teng, Bosheng Ding, Zhengyuan Liu, Nancy F. Chen*, Shafiq Joty*. Exploring Self-supervised Logic-enhanced Training for Large Language Models, NAACL 2024.

•  Jeremy Wang and Nancy F. Chen. Distilling Distributional Uncertainty from a Gaussian Process. ICASSP 2024.

• Taha Aksu and Nancy F. Chen. Granular Change Accuracy: A More Accurate Performance Metric for Dialogue State Tracking, COLING 2024.

• Zhengyuan Liu, XS Yin, C Lee, Nancy F. Chen. Scaffolding Language Learning via Multimodal Tutoring Systems with Pedagogical Instructions, IEEE CAI 2024.

2023

• Jeremy Wong, Huayun Zhang, Nancy F. Chen. Modelling inter-rater uncertainty in spoken language assessment, IEEE/ACM Transactions on Audio, Speech, and Language Processing 2023. 

•  Jeremy Wong, Huayun Zhang, Nancy F. Chen. Variational Gaussian Process Data Uncertainty, IEEE ASRU, 2023.

•  Ratish Puduppully, A Kunchukuttan, R. Dabre, A. Aw, Nancy F. Chen. DecoMT: Decomposed Prompting for Machine Translation between Related Languages using Large Language Models, EMNLP 2023.

•  Minzhi Li, Taiwei Shi, Caleb Ziems, Min-Yen Kan, Nancy F. Chen, Zhengyuan Liu, Diyi Yang. CoAnnotating: Uncertainty-guided work allocation between human and large language models for data annotation, EMNLP 2023.

• Yuting Tang, R Puduppully, Z. Liu, Nancy F. Chen. In-context Learning of Large Language Models for Controlled Dialogue Summarization: A Holistic Benchmark and Empirical Analysis, Proc. of the 4th New Frontiers in Summarization Workshop at EMNLP, 2023.

•  Zhengyuan Liu, Siti Umairah Md Salleh, Hong Choon Oh, Pavitra Krishnaswamy, Nancy F. Chen. Joint Dialogue Topic Segmentation and Categorization: A Case Study on Clinical Spoken Conversations, EMNLP 2023. [Outstanding Paper Award]

•  Bin Wang, Zhengyuan Liu, Nancy F. Chen. Instructive Dialogue Summarization with Query Aggregations, EMNLP 2023.

• Mathieu Ravaut, Shafiq Joty, Nancy F. Chen. Unsupervised Summarization Re-ranking, ACL 2023

• Zhengyuan Liu, Yong Keong Yap, Hai Leong Chieu and Nancy F. Chen. Guiding Computational Stance Detection with Expanded Stance Triangle Framework, ACL 2023

• Ibrahim Taha Aksu, Min-Yen Kan and Nancy F. Chen. Zero-shot Adaptive Prefixes for Dialogue State Tracking Domain Adaptation, ACL 2023

• Ratish Puduppully, Parag Jain, Nancy F. Chen and Mark Steedman. Multi-Document Summarization with Centroid-Based Pretraining, ACL 2023

• Xuan Long Do, Bowei Zou, Shafiq Joty, Anh Tai Tran, Liangming Pan, Nancy F. Chen, Ai Ti Aw. Modeling What-to-ask and How-to-ask for Answer unaware Conversational Question Generation, ACL 2023

• Zhengyuan Liu and Nancy F. Chen. Picking the Underused Heads: A Network Pruning Perspective of Attention Head Selection for Fusing Dialogue Coreference Information, ICASSP 2023

• Jeremy Wong, Huayun Zhang, Nancy F. Chen. Distilling knowledge from Gaussian process teacher to neural network student, Interspeech 2023

• Minh Nguyen and Nancy F. Chen, Finite-context Indexing of Restricted Output Space for NLP Models Facing Noisy Input, AACL 2023. 

• Hung Le, Nancy Chen, and Steven C.H. Hoi. 2023. C3: Compositional Counterfactual Contrastive Learning for Video-grounded Dialogues. In Proceedings of the 24th Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL), pages 548–561, Prague, Czechia. Association for Computational Linguistics.

2022

• Gia H. Ngo^, Minh Nguyen^, Nancy F. Chen*, Mert R. Sabuncu*.  A Transformer-based Neural Language Model that Synthesizes Brain Activation Maps from Free-Form Text Queries, Medical Image Analysis, 2022. 

• Mathieu Ravaut, Nancy F. Chen*, Shafiq Joty*. SummaReranker: A Multi-Task Mixture-of-Experts Re-ranking Framework for Abstractive Summarization, ACL 2022. 

• Mathieu Ravaut, S Joty, Nancy F. Chen. Towards Summary Candidates Fusion, EMNLP 2022. 

• Litton J Kurisinkel and Nancy F. Chen. Tractable and Coherent Multi-Document Summarization: Discrete Optimization of Multiple Neural Modeling Streams via Integer Linear Programming, EMNLP 2022

• Hung Le, Nancy F. Chen, Steven Hoi. Multimodal Dialogue State Tracking, NAACL 2022

• Hung Le, Nancy F. Chen, Steven Hoi. VGNMN: Video-grounded Neural Module Networks for Video-Grounded Dialogue Systems, NAACL 2022

• Taha Aksu, Zhengyuan Liu, Min-Yen Kan, Nancy F. Chen. N-Shot Learning for Augmenting Task-Oriented Dialogue State Tracking, Findings of ACL 2022.

• Zhengyuan Liu and Nancy F. Chen. Bootstrapping and Stepwise Reward Optimization: A Semi-Supervised Framework for Text Style Transfer, Findings of NAACL 2022.

• Zhengyuan Liu, Shikang Ni, Ai Ti Aw, Nancy F. Chen. Singlish Message Paraphrasing: A Joint Task of Creole Translation and Text Normalization, COLING 2022.

• Zhengyuan Liu and Nancy F. Chen. Entity-based De-noising Modeling for Controllable Dialogue Summarization, SIGDIAL 2022. 

• Jeremy Wong, Huayun Zhang, Nancy F. Chen. Variations of Multi-Task Learning for Spoken Language Assessment, Interspeech, 2022.

• Zhengyuan Liu and Nancy F. Chen. Dynamic Sliding Window Modeling for Abstractive Meeting Summarization, Interspeech 2022

• Perry Lam, Huayun Zhang, Nancy F. Chen and Berrak Sisman. EPIC TTS Models: Empirical Pruning Investigations Characterizing Text-To-Speech Models, Interspeech 2022. 

• Yizheng Huang, Nana Hou, Nancy F. Chen. Progressive Continual Learning for Spoken Keyword Spotting, ICASSP 2022.

• Cheryl Sze Yin Wong, Guo Yang, Nancy F. Chen, Ramasamy Savitha.Incremental Context Aware Attentive Knowledge Tracing, ICASSP 2022.

• Zhengyuan Liu, Pavitra Krishnaswamy and Nancy F. Chen. Domain-specific Language Pre-training for Dialogue Comprehension on Clinical Inquiry-Answering Conversations, AAAI-w 2022. 

2021

• Hung Le, Doyen Sahoo, Nancy F. Chen, Steven C.H. Hoi. Learning Reasoning Paths over Semantic Graphs for Video-grounded Dialogues, ICLR, 2021

• Wenqiang Lei, Yisong Miao, Runpeng Xie, Bonnie Webber, Meichun Liu, Tat-Seng Chua and Nancy F. Chen. Have We Solved The Hard Problem? It’s Not Easy! Contextual Lexical Contrast as a Means to Probe Neural Coherence, AAAI 2021. 

• Gia H. Ngo^, Minh Nguyen^, Nancy F. Chen*, Mert R. Sabuncu*. Text2Brain: Synthesis of Brain Activation Maps from Free-form Text Query, MICCAI, 2021. (Young Scientist Award)

• Zhengyuan Liu, Ke Shi, Nancy Chen. Coreference-Aware Dialogue Summarization, SIGDIAL 2021 (Best Paper Award)

• Ibrahim Taha Aksu, Zhengyuan Liu, Min-Yen Kan, Nancy Chen. Velocidapter: Task-oriented Dialogue Comprehension Modeling Pairing Synthetic Text Generation with Domain Adaptation, SIGDIAL 2021

• Zhengyuan Liu and Nancy F. Chen. Controllable Neural Dialogue Summarization with Personal Named Entity Planning, EMNLP 2021.

• Litton J. Kurisinkel, Ai Ti Aw, Nancy F. Chen. Coherent and Concise Radiology Report Generation via Context Specific Image Representations and Orthogonal Sentence States, NAACL 2021. 

• Zhengyuan Liu, Ke Shi, Nancy F. Chen. DMRST: A Joint Framework for Document-Level Multilingual RST Discourse Segmentation and Parsing, CODI (Workshop on Computational Approaches to Discourse) 2021. 

• Richeng Duan and Nancy F. Chen. Senone-aware Adversarial Multi-task Training for Unsupervised Child to Adult Speech Adaptation, ICASSP 2021.

• Huayun Zhang, Ke Shi, Nancy F. Chen. Multilingual Speech Evaluation: Case Studies on English, Malay, and Tamil. Interspeech 2021. 

• Ke Shi, Kye Min Tan, Huayun Zhang, Siti Umairah Md Salleh, Shi Kang Ni, Nancy F. Chen. WittyKiddy: Multilingual Spoken Language Learning for Kids, Interspeech 2021

• Litton Jose Kurisinkel and Nancy F Chen. Graph To Coherent Text: Passage Generation from Knowledge Graphs by Exploiting Edge Representations in Sentential Contexts, Workshop on Commonsense Knowledge Graphs, AAAIw 2021. 

2020

• H. Le, D. Sahoo, Nancy F. Chen*, S. C.H. Hoi, Hierarchical Multimodal Attention for End-to-End Audio-Visual Scene-Aware Dialogue Response Generation, Computer, Speech and Language, 2020

• M. Nguyen, G. H. Ngo, Nancy F. Chen*. Hierarchical Character Embeddings: Learning Phono-logical and Semantic Representations in Languages of Logographic Origin using Recursive Neural Networks, IEEE/ACM Trans on Audio, Speech, and Language Processing, 2020

• H. Le, D. Sahoo, Nancy F. Chen, S. C.H. Hoi. BiST: Bi-directional Spatio-Temporal Reasoning for Video-Grounded Dialogues, EMNLP, 2020

• H. Le, D. Sahoo, C. Liu, Nancy F. Chen, S. C.H. Hoi. UniConv: A Unified Conversational Neural Architecture for Multi-domain Task-oriented Dialogues, EMNLP 2020

• Z. Liu, K. Shi, Nancy F. Chen. Conditional Neural Generation using Sub-Aspect Functions for Extractive News Summarization, Findings at EMNLP, 2020

• Ke Shi*, Zhenyuan Liu*, Nancy F. Chen. An End-to-End Document-Level Neural Discourse Parser Exploiting Multi-Granularity Representations, https://arxiv.org/abs/2012.11169

• Z. Liu, K. Shi, Nancy F. Chen. Multilingual Neural RST Discourse Parsing, COLING 2020

• Z. Liu, P. Krishnaswamy, A. T. Aw, Nancy F. Chen. Uncertainty Modeling for Machine Comprehension Systems using Efficient Bayesian Neural Networks, COLING 2020

• Y. Tay, D. Ong, J. Fu, A. Chan, Nancy F. Chen, A. T. Luu, C. Pal, Would You Rather? A New Benchmark for Learning Machine Alignment with Cultural Values and Social Preferences, ACL 2020

• R. Duan and Nancy F. Chen*. Unsupervised Feature Adaptation using Adversarial Multi-Task Training for Automatic Evaluation of Children’s Speech. Interspeech, 2020 (ISCA Grant)

• K. Shi, K. Min Tan, R. Duan, S. U. M. Salleh, N. F. A. B. Suhaimi, R. Vellu, T. N. T. H. Helen, Nancy F. Chen*. Computer-Assisted Language Learning System: Automatic Speech Evaluation for Children Learning Malay and Tamil. Interspeech, 2020

• Y. Gu and Nancy F. Chen*. Characterization of Singaporean Children’s English: Comparisons to American and British Counterparts using Archetypal Analysis. Interspeech, 2020

2019 

• Minh Nguyen, Gia H. Ngo, Nancy F. Chen. Hierarchical Character Embeddings: Learning Phono- logical and Semantic Representations in Languages of Logographic Origin using Recursive Neural Networks, IEEE/ACM Transactions on Audio, Speech, and Language Processing 2019.

• Zhengyuan Liu, Angela Ng, Sheldon Lee, Ai Ti Aw, Nancy F. Chen. Topic-Aware Pointer-Generator Networks for Summarizing Spoken Conversations, IEEE ASRU (Automated Speech Recognition and Understanding), 2019. [arxiv]

• Wei Li, Nancy F. Chen, Marco Siniscalchi, Chin-Hui Lee. Improving Mispronunciation Detection of Mandarin Tones for Non-native Learners with Soft-target Tone Labels and BLSTM-based Deep Tone Models, IEEE/ACM Transactions on Audio, Speech, and Language Processing, 2019.

• Litton Kurisinkel and Nancy F. Chen. Set to Ordered Text: Generating Discharge Instructions from Medical Billing Codes, EMNLP 2019.

• Zhengyuan Liu and Nancy F. Chen. Reading Turn by Turn: Hierarchical Attention Architecture for Spoken Dialogue Comprehension, ACL 2019. [pdf]  

• Hung Le, Doyen Sahoo, Nancy F. Chen, Steven C. H. Hoi. Multimodal Transformer Networks for End-to-End Video-Grounded Dialogue Systems, ACL 2019. [pdf]

• Zhengyuan Liu, Hazel Lim, Nur Farah Ain Binte Suhaimi, Shao Chuen Tong, Sharon Ong, Angela Ng, Sheldon Lee, Michael R. Macdonald, Savitha Ramasamy, Pavitra Krishnaswamy, Wai Leng Chow, Nancy F. Chen. Fast Prototyping a Dialogue Comprehension System for Nurse-Patient Conversations on Symptom Monitoring, NAACL 2019 (oral). [pdf] 

• Hung Le, Steven C.H. Hoi, Doyen Sahoo, Nancy F. Chen, End-to-End Multimodal Dialog Systems with Hierarchical Multimodal Attention of Video Features, 7th Dialogue System Technology Challenge (DSTC7) Workshop, AAAI, January 2019.

• Gia H. Ngo, Minh Nguyen, Nancy F. Chen. Phonology-Augmented Statistical Framework for Machine Transliteration using Limited Linguistic Resources, IEEE/ACM Transactions on Audio, Speech, and Language Processing, 2019 [arxiv]

2018

• Minh Nguyen, Gia H. Ngo, Nancy F. Chen. Multimodal Neural Pronunciation Modeling for Spoken Languages with Logographic Origin, Empirical Methods on Natural Language Processing (EMNLP), 2018  (First author received non-student travel award) [arxiv]

• Tung Pham, Haihua Xu, Xiong Xiao, Nancy F. Chen, Eng Siong Chng, Haizhou Li. Re-ranking Spoken Term Detection with Acoustic Exemplars of Keywords, Speech Communication, 2018

• Wenda Chen, Mark Hasegawa-Johnson, Nancy F. Chen. Recognizing Zero-resourced Languages based on Mismatched Machine Transcriptions, Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2018

• Van Hai Do, Nancy F. Chen, Boon Pang Lim, Mark Hasegawa-Johnson. Multi-Task Learning for Phone Recognition of Under-resourced Languages using Mismatched  Transcription, IEEE Transactions on Audio, Speech, and Language Processing, 2018

• Wei Li, Nancy F. Chen, Marco Siniscalchi, Chin-Hui Lee. Improving Mandarin Tone Mispronunciation for Non-Native Learners with Soft-Target Tone Labels and BLSTM-Based Deep Models, Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2018

• Ju Lin, Wei Li, Yingming Gao, Yanlu Xie, Nancy F. Chen, Marco Siniscalchi, Jinsong Zhang, Chin-Hui Lee. Improving Mandarin Tone Recognition Based on DNN by Combining Acoustic and Articulatory Features Using Extended Recognition Networks, Journal of Signal Processing Systems, 2018

• Jiewen Wu, Rafael E. Banchs, Luis F. D'Haro, Pavitra Krishnaswamy, Nancy F. Chen. Attention-based Semantic Priming for Slot Filling, Association for Computational Linguistics (ACL) NEWS 2018

2017

• Nancy F. Chen et al. Low-Resource Spoken Keyword Search Strategies in Georgian Inspired by Distinctive Feature Theory, Proc. of APSIPA ASC, 2017 (shortlisted for Best Paper)

• Mark A. Hasegawa-Johnson, Preethi Jyothi, Daniel McCloy, Majid Mirbagheri, Giovanni M. di Liberto, Amit Das, Bradley Ekin, Chunxi Liu, Vimal Manohar, Hao Tang, Edmund C. Lalor, Nancy F. Chen, Paul Hager, Tyler Kekona, Rose Sloan, and Adrian K. C. Lee, "ASR for Under-Resourced Languages From Probabilistic Transcription", IEEE Transactions on Audio, Speech, and Language Processing, 2017. [pdf]

• Wenda Chen, Mark Hasegawa-Johnson, Nancy F. Chen, Boon Pang Lim. Mismatched Crowdsourcing From Multiple Annotator Languages For Recognizing Zero-resourced Languages: A Nullspace Clustering Approach, Proc. of Interspeech 2017  (ISCA grant) 

• Van Hai Do, Nancy F. Chen, Boon Pang Lim, Mark Hasegawa-Johnson. Multi-task Learning using Mismatched Transcription for Under-resourced Speech Recognition, Proc. of Interspeech 2017 

• Chongjia Ni, Cheung Chi Leung, Nancy F. Chen, Bin Ma. Efficient Methods to Train Multilingual Bottleneck Feature Extractors for Low Resource Keyword Search, IEEE International Conference on Acoustics, Speech and Signal Processing 2017

• Van Hai Do, Nancy F. Chen, Boon Pang Lim, Mark Hasegawa-Johnson. Acoustic Modeling for Under-resourced Language using Mismatched Transcriptions, International Journal of Asian Language Processing, Vol. 27, 2017

• Van Tung Pham, Haihua Xu, Xiong Xiao, Nancy F. Chen, Eng Siong Chng. Pruning Strategies for Partial Search in Spoken Term Detection, Proceedings of the Eighth International Symposium on Information and Communication Technology, 2017

• Wei Li, Nancy F. Chen, Sabato Marco Siniscalchi, Chin-Hui Lee. Improving Mispronunciation Detection for Non-Native Learners with Multisource Information and LSTM-Based Deep Models, Proc. of Interspeech, 2017 (ISCA Student Grant)

• Rong Tong, Nancy F. Chen, Bin Ma. Multi-Task Learning for Mispronunciation Detection on Singapore Children's Mandarin Speech, Proc. of Interspeech 2017

2016

• Nguyen, Binh Minh, Gia H. Ngo, and Nancy F. Chen. "Regulating Orthography-Phonology Relationship for English to Thai Transliteration." ACL 2016, Proceedings of Named Entities Workshop, pp. 83 [pdf]

• Van Hai Do, Nancy F. Chen, Boon Pang Lim, Mark Hasegawa-Johnson, "Analysis of Mismatched Transcriptions Generated by Humans and Machines for Under-Resourced Languages", Interspeech 2016. 

• Van Tung Pham, Haihua Xu, Xiong Xiao, Nancy F. Chen, Eng Siong Chng, Haizhou Li, "Rescoring hypothesized detections of Out-of-Vocabulary keywords using subword samples", Interspeech 2016.

• Nancy F. Chen  et al, "Exemplar-Inspired Strategies for Low-Resource Spoken Keyword Search in Swahili", Proc. of ICASSP 2016. [pdf]

• Wenda Chen, Mark Hasegawa-Johnson, and Nancy F. Chen, "Mismatched Crowdsourcing based Language Perception for Under-resourced Languages." Procedia Computer Science 81 (2016): 23-29. [pdf] [html]

• Chongjia Ni, Cheung-Chi Leung, Lei Wang, Haibo Liu, Feng Rao, Li Lu, Nancy F. Chen, Bin Ma, Haizhou Li, "Cross-Lingual Deep Neural Network Based Submodular Unbiased Data Selection for Low-Resource Keyword Search", Proc. of ICASSP, 2016. 

• Van Tung Pham, Haihua Xu, Xiao Xiong, Nancy F. Chen, Eng Siong Chng, Haizhou LI, "Keyword Search using Query Expansion for Graph-Rescoring of Hypothesized Detections", Proc. ICASSP, 2016. [pdf]

• Nancy F. Chen and Haizhou Li, "Computer-Assisted Pronunciation Training: From Pronunciation Scoring Towards Spoken Language Learning", Asia-Pacific Signal and Information Processing Association, Annual Summit and Conference, 2016. (Best Paper Award). [pdf], [presentation]

• Nancy F. Chen, Darren Wee, Rong Tong, Bin Ma, Haizhou Li, "Large-scale characterization of non-native Mandarin Chinese spoken by speakers of European origin: Analysis on iCALL", Speech Communication, 2016. 

• http://www.sciencedirect.com/science/article/pii/S0167639315300753 [pdf]

• Nancy F. Chen, Rong Tong, Darren Wee, Peixuan Lee, Bin Ma, Haizhou Li, " SingaKids-Mandarin: Speech Corpus of Singaporean Children Speaking Mandarin Chinese", Interspeech 2016. 

• Rong Tong, Nancy F. Chen, Bin Ma and Haizhou Li,  "Context aware mispronunciation detection for Mandarin Pronunciation Training", Interspeech 2016. 

• Wei Li, Kehuang Li, Sabato Marco Siniscalchi, Nancy F. Chen, and Chin-Hui Lee, "Detecting Mispronunciations of L2 Learners and Providing Corrective Feedback Using Knowledge-guided and Data-driven Based Decision Trees", Interspeech 2016.

• Ann Lee, Nancy F. Chen, James R. Glass, "Personalized Mispronunciation Detection and Diagnosis Based on Unsupervised Error Pattern Discovery", Proc. of IEEE International Conference on Acoustics, Speech, and Signal Processing, 2016. (IEEE Signal Processing Society Travel Grant) [pdf] [press highlight]

• Wei Li, Sabato Marco Siniscalchi, Nancy F. Chen, and Chin-Hui Lee, "Improving Non-Native Mispronunciation Detection and Enriching Diagnostic Feedback with DNN-Based Speech Attribute Modeling", Proc. of IEEE International Conference on Acoustics, Speech, and Signal Processing, 2016. [pdf]

• Yuling Gu, Boon Pang Lim and Nancy F. Chen, "Perception of tone in whispered Mandarin sentences: the case for Singapore Mandarin", Interspeech 2016. (Interspeech Grant)

2015

• Nancy F. Chen et al, "Low-Resource Keyword Search Strategies for Tamil", Proc. of ICASSP, 2015. [pdf]

• Hoang Gia Ngo, Nancy F. Chen, Nguyen Binh Minh, Bin Ma, Haizhou Li, "Phonology-Augmented Statistical Transliteration for Low-Resource Languages", Interspeech, 2015. [pdf].

• I-Fan Chen, Chongjia Ni, Boon Pang Lim, Nancy F. Chen, Chin-Hui Lee, "A Keyword-Aware Grammar Framework for LVCSR-Based Spoken Keyword Search", Proc. of ICASSP, 2015.

• Chongjia Ni, Cheung-Chi Leung, Lei Wang, Nancy F. Chen, Bin Ma, "Unsupervised Data Selection and Word-Morph Mixed Language Model for Tamil Low-Resource Keyword Search", Proc. of ICASSP, 2015.

• Nancy F. Chen, Rong Tong, Darren Wee, Peixuan Lee, Bin Ma, Haizhou Li, "iCALL Corpus: Mandarin Chinese Spoken by Non-Native Speakers of European Descent", Interspeech 2015. [pdf]

• Rong Tong, Nancy F. Chen, Bin Ma, Haizhou Li, "Goodness of Tone (GOT) for Non-native Mandarin Tone Recognition", Interspeech 2015. [pdf]

• Rong Tong, Nancy F. Chen, Boon Pang Lim, Bin Ma, Haizhou Li, "Tokenizing Fundamental Frequency Variation for Mandarin Tone Error Detection", Proc. of ICASSP, 2015. [pdf]

• Wenda Chen, Nancy F. Chen, Boon Pang Lim, Bin Ma, "Corpus-based Pronunciation Variation Rule Analysis for Singapore English", SLaTE Workshop, 2015. [pdf]

2014

• Nancy F. Chen, Sharon W. Tam, Wade Shen, Joseph Campbell, “Characterizing Phonetic Transformations and Acoustic Differences Across English Dialects”, IEEE Transactions on Audio, Speech, and Language Processing, 2014. [pdf]

• Nancy F. Chen, Sunil Sivadas, Boon Pang Lim, Hoang Gia Ngo, Haihua Xu, Van Tung Pham, Bin Ma, Haizhou Li, "Strategies for Vietnamese Keyword Search", Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2014. [pdf]

• (supporting document: Nancy F. Chen et al, SINGA Team OpenKWS13 Efforts, NIST OpenKWS13 Workshop, July 17, 2013. [pdf])

• I-Fan Chen, Chongjia Ni, Boon Pang Lim, Nancy F. Chen, Chin-Hui Lee, "A Novel Keyword+LVCSR-Filler Based Grammar Network Representation for Spoken Keyword Search", International Symposium on Chinese Spoken Language Processing, 2014. (Shorted listed for Best Paper Award).

• I-Fan Chen, Chongjia Ni, Boon Pang Lim,  Nancy F. Chen, Chin-Hui Lee, "A Keyword-Aware Language Modeling Approach to Spoken Keyword Search"

• Journal of Signal Processing Systems, 2015

• Van Tung Pham, Nancy F. Chen, Sunil Sivadas, Haihua Xu, I-Fan Chen, Chongjia Ni, Eng Siong Chng, Haizhou Li, "System and Keyword Dependent Fusion for Spoken Term Detection", IEEE Spoken Language Technology Workshop, 2014

• I-Fan Chen, Nancy F. Chen, Chin-Hui Lee, “A Keyword-Boosted sMBR Criterion to Enhance Keyword Search Performance in Deep Neural Network Based Acoustic Modeling”, Proc. of Interspeech 2014. [pdf]

• Hoang Gia Ngo, Nancy F. Chen, Sunil Sivadas, Bin Ma, Haizhou Li, “A Minimal Resource Transliteration Framework for Vietnamese”, Proc. of Interspeech 2014. [pdf]

• Van Tung Phan, Haihua Xu, Nancy F. Chen, Sunil Sivadas, Boon Pang Lim, Eng-Siong Chng, Haizhou Li, "Discriminative Score Normalization for Keyword Search Decision", Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2014. [pdf]

• Rong Tong, Boon Pang Lim, Nancy F. Chen, Bin Ma, Haizhou Li, "Subspace Gaussian Mixture Model for Computer-Assisted Language Learning", Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2014. [pdf]

• Pei Xuan Lee, Darren Wee, Hilary Si Yin Toh, Boon Pang Lim, Nancy Chen, Bin Ma, “A Whispered Mandarin Corpus  for Speech Technology Applications”, Proc. of Interspeech 2014. [pdf]  (Interspeech Grant, declined)

• Hilary Toh, Peixuan Lee, Boon Pang Lim, Nancy F. Chen, "Detecting speaker change in background audio streams", Proceedings of Meetings on Acoustics, 2014.  [pdf]

2013 and prior

• Nancy F. Chen, Bin Ma, Haizhou Li, "Minimal-Resource Phonetic Language Models to Summarize Untranscribed Speech", Proc. of IEEE International Conference on Acoustics, Speech, and Signal Processing, 2013. [pdf]

• Nancy F. Chen, Vivaek Shivakumar,  Mahesh Harikumar, Bin Ma, Haizhou Li. Large-Scale Characterization of Mandarin Pronunciation Errors Made by native Speakers of European Languages, Proc. of Interspeech, 2013. [pdf]

• Hilary Toh, Peixuan Lee, Boon Pang Lim, Nancy F. Chen, "Detecting speaker change in background audio streams", J. Acoust. Soc. Am. 134, 4074 (2013). [abstract]

• Chen, N., Shen, W., Campbell, J. Analyzing and Interpreting Automatically Learned Rules Across Dialects, International Speech Communication Association, Proc. of Interspeech 2012. [pdf]

• Chen, N., Shen, W., Campbell, J. Characterizing Deletion Transformations across Dialects using a Sophisticated Tying Mechanism, International Speech Communication Association, Proc. of Interspeech 2011. (Awarded Interspeech Grant)[abstract] [pdf]

• Chen, N., Shen, W., Campbell, J., Torres-Carrasquillo, P., Informative Dialect Recognition using Context-Dependent Pronunciation Modeling, Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2011.(Outstanding speech paper award sponsored by Microsoft)

• [abstract] [pdf] [presentation video]

• Chen, N., Shen, W., Campbell, J. A Linguistically-Informative Approach to Dialect Recognition using Dialect-Specific Context-Dependent Phonetic Modeling, Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing, 2010. [abstract] [pdf]

• Chen, N., Shen, W., Campbell, J., Schwartz, R. Large-Scale Analysis of Formant Frequency Estimation Variability in Conversational Telephone Speech, International Speech Communication Association, Proc. of Interspeech, 2009.[abstract] [pdf]

• Shen, W., Chen, N., and Reynolds, D. Dialect Recognition using Adapted Phonetic Models, International Speech Communication Association, Proc. of Interspeech, 2008. [abstract] [pdf]

• Meltzner, G. S., Sroka, J., Heaton J. T., Gilmore, L. D., Colby, G,  Roy, S., Chen, N., De Luca, C. J. Speech Recognition for Vocalized and Subvocal Modes of Production using Surface EMG Signals from the Neck and Face, International Speech Communication Association, Proc. of Interspeech, 2008. [abstract] [pdf]

• Chu, C. D., and Chen, N. F., Stop‐like modification of dental fricatives in Indian English: A preliminary study to perceptual experiments, Acoustical Society of America Meeting, 2009. [abstract]

• Chen, N. and Lulich S.,  Automatic classification of consonant‐vowel transitions based on subglottal resonances and second formant frequencies, Acoustical Society of America Meeting, 2009. [abstract]

• Park, C. and Chen, N., Consonant landmarks: automatic detection and interpretation, Acoustical Society of America Meeting, 2008. (Invited Talk to Speech Communication Special Session -- A Quantal Transition:  Ken Stevens in "Retirement") [abstract]

• Park, C., Chen, N., and Jung, Y., Determining and Interpreting Acoustic Landmark Sequences in English, Acoustical Society of America Meeting, 2007. [abstract]

• Chen, N. F., Slifka, J. L., and Stevens, K. N., Vowel Nasalization in American English: Acoustic Variability due to Phonetic Context, International Congress of Phonetic Sciences, Saarbrucken, Germany, Aug 2007.  [pdf]

IEEE SLTC (Speech & Language Processing Technical Committee) News Articles

• Nancy F. Chen and Anthony Larcher, "The Multilingual Landscape of Singapore", IEEE SLTC Newsletter, May 2014. [weblink]

• Minghui Dong, Nancy F. Chen, Haizhou Li, "Speech Synthesis Perfects Everyone's Singing", IEEE SLTC Newsletter, Feb 2014. [weblink]

• Nancy F. Chen and Jonathan G. Fiscus, "2013 Overview of the NIST Open Keyword Search 2013 Evaluation Workshop", IEEE SLTC Newsletter, August 2013. [weblink]

• Nancy F. Chen and Haizhou Li, "Odyssey 2012: The Speaker and Language Recognition Workshop", IEEE SLTC Newsletter, August, 2012. [weblink]