Pengfei Liu

According to our database, Pengfei Liu authored at least 15 papers between 2012 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

PunCantonese: A Benchmark Corpus for Low-Resource Cantonese Punctuation Restoration from Speech Transcripts.

Yunxiang Li, Pengfei Liu, Xixin Wu, Helen Meng

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

2022

Improving Rare Words Recognition through Homophone Extension and Unified Writing for Low-resource Cantonese Speech Recognition.

HoLam Chung, Junan Li, Pengfei Liu, Wai-Kim Leung, Xixin Wu, Helen Meng

Proceedings of the 13th International Symposium on Chinese Spoken Language Processing, 2022

2021

Hierarchical Modeling for Out-of-Scope Domain and Intent Classification.

Pengfei Liu, Kun Li, Helen Meng

CoRR, 2021

Open Intent Discovery through Unsupervised Semantic Clustering and Dependency Parsing.

Pengfei Liu, Youzhang Ning, King Keung Wu, Kun Li, Helen Meng

CoRR, 2021

Out-of-Scope Domain and Intent Classification through Hierarchical Joint Modeling.

Pengfei Liu, Kun Li, Helen Meng

Proceedings of the Conversational AI for Natural Human-Centric Interaction, 2021

Automatic Speaker-level Pronunciation Assessment of L2 Speech Using Posterior Probabilities from Multiple Utterances.

Guolei Jiang, Chunhong Liao, Kun Li, Pengfei Liu, Linying Jiang, Helen Meng

Proceedings of the 12th International Symposium on Chinese Spoken Language Processing, 2021

2020

Group Gated Fusion on Attention-Based Bidirectional Alignment for Multimodal Emotion Recognition.

Pengfei Liu, Kun Li, Helen Meng

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

2017

A model of extended paragraph vector for document categorization and trend analysis.

Pengfei Liu, King Keung Wu, Helen M. Meng

Proceedings of the 2017 International Joint Conference on Neural Networks, 2017

2016

An embedding approach for context-aware collaborative recommendation and visualization.

King Keung Wu, Pengfei Liu, Helen M. Meng, Yeung Yam

Proceedings of the 2016 IEEE International Conference on Systems, Man, and Cybernetics, 2016

Learning Track Representation and Trends for Conference Analytics.

Pengfei Liu, Shoaib Jameel, King Keung Wu, Helen M. Meng

Proceedings of the 49th Hawaii International Conference on System Sciences, 2016

2015

Integrating acoustic and state-transition models for free phone recognition in L2 English speech using multi-distribution deep neural networks.

Kun Li, Xiaojun Qian, Shiyin Kang, Pengfei Liu, Helen Meng

Proceedings of the ISCA International Workshop on Speech and Language Technology in Education, 2015

Topic modeling for conference analytics.

Pengfei Liu, Shoaib Jameel, Wai Lam, Bin Ma, Helen M. Meng

Proceedings of the 16th Annual Conference of the International Speech Communication Association, 2015

Fine-grained Opinion Mining with Recurrent Neural Networks and Word Embeddings.

Pengfei Liu, Shafiq R. Joty, Helen M. Meng

Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing, 2015

2014

SeemGo: Conditional Random Fields Labeling and Maximum Entropy Classification for Aspect Based Sentiment Analysis.

Pengfei Liu, Helen M. Meng

Proceedings of the 8th International Workshop on Semantic Evaluation, 2014

2012

mENUNCIATE: Development of a computer-aided pronunciation training system on a cross-platform framework for mobile, speech-enabled application development.

Pengfei Liu, Ka-Wa Yuen, Wai-Kim Leung, Helen M. Meng

Proceedings of the 8th International Symposium on Chinese Spoken Language Processing, 2012