Feifan Liu


pdf bib
DeepGeneMD: A Joint Deep Learning Model for Extracting Gene Mutation-Disease Knowledge from PubMed Literature
Feifan Liu | Xiaoyu Zheng | Bo Wang | Catarina Kiefe
Proceedings of the 5th Workshop on BioNLP Open Shared Tasks

Understanding the pathogenesis of genetic diseases through different gene activities and their relations to relevant diseases is important for new drug discovery and drug repositioning. In this paper, we present a joint deep learning model in a multi-task learning paradigm for gene mutation-disease knowledge extraction, DeepGeneMD, which adapts the state-of-the-art hierarchical multi-task learning framework for joint inference on named entity recognition (NER) and relation extraction (RE) in the context of the AGAC (Active Gene Annotation Corpus) track at 2019 BioNLP Open Shared Tasks (BioNLP-OST). It simultaneously extracts gene mutation related activities, diseases, and their relations from the published scientific literature. In DeepGeneMD, we explore the task decomposition to create auxiliary subtasks so that more interactions between different learning subtasks can be leveraged in model training. Our model achieves the average F1 score of 0.45 on recognizing gene activities and disease entities, ranking 2nd in the AGAC NER task; and the average F1 score of 0.35 on extracting relations, ranking 1st in the AGAC RE task.


pdf bib
Learning from Chinese-English Parallel Data for Chinese Tense Prediction
Feifan Liu | Fei Liu | Yang Liu
Proceedings of 5th International Joint Conference on Natural Language Processing


pdf bib
Improving Blog Polarity Classification via Topic Analysis and Adaptive Methods
Feifan Liu | Dong Wang | Bin Li | Yang Liu
Human Language Technologies: The 2010 Annual Conference of the North American Chapter of the Association for Computational Linguistics


pdf bib
Unsupervised Approaches for Automatic Keyword Extraction Using Meeting Transcripts
Feifan Liu | Deana Pennell | Fei Liu | Yang Liu
Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics


pdf bib
Chinese-English Backward Transliteration Assisted with Mining Monolingual Web Pages
Fan Yang | Jun Zhao | Bo Zou | Kang Liu | Feifan Liu
Proceedings of ACL-08: HLT

pdf bib
Correlation between ROUGE and Human Evaluation of Extractive Meeting Summaries
Feifan Liu | Yang Liu
Proceedings of ACL-08: HLT, Short Papers


pdf bib
Look Who is Talking: Soundbite Speaker Name Recognition in Broadcast News Speech
Feifan Liu | Yang Liu
Human Language Technologies 2007: The Conference of the North American Chapter of the Association for Computational Linguistics; Companion Volume, Short Papers

pdf bib
Unsupervised Language Model Adaptation Incorporating Named Entity Information
Feifan Liu | Yang Liu
Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics


pdf bib
Product Named Entity Recognition Based on Hierarchical Hidden Markov Model
Feifan Liu | Jun Zhao | Bibo Lv | Bo Xu | Hao Yu
Proceedings of the Fourth SIGHAN Workshop on Chinese Language Processing