Search Results for author: Sheng Yu

Found 26 papers, 14 papers with code

Label Refinement via Contrastive Learning for Distantly-Supervised Named Entity Recognition

1 code implementation Findings (NAACL) 2022 Huaiyuan Ying, Shengxuan Luo, Tiantian Dang, Sheng Yu

Distantly-supervised named entity recognition (NER) locates and classifies entities using only knowledge bases and unlabeled corpus to mitigate the reliance on human-annotated labels.

Contrastive Learning named-entity-recognition +2

Black-Box Segmentation of Electronic Medical Records

no code implementations29 Sep 2024 Hongyi Yuan, Sheng Yu

Electronic medical records (EMRs) contain the majority of patients' healthcare details.

Segmentation Sentence +2

CAREForMe: Contextual Multi-Armed Bandit Recommendation Framework for Mental Health

1 code implementation26 Jan 2024 Sheng Yu, Narjes Nourzad, Randye J. Semple, Yixue Zhao, Emily Zhou, Bhaskar Krishnamachari

The COVID-19 pandemic has intensified the urgency for effective and accessible mental health interventions in people's daily lives.

High-throughput Biomedical Relation Extraction for Semi-Structured Web Articles Empowered by Large Language Models

no code implementations13 Dec 2023 Songchi Zhou, Sheng Yu

Objective: To develop a high-throughput biomedical relation extraction system that takes advantage of the large language models'(LLMs) reading comprehension ability and biomedical world knowledge in a scalable and evidential manner.

Binary Classification Reading Comprehension +3

CoRTEx: Contrastive Learning for Representing Terms via Explanations with Applications on Constructing Biomedical Knowledge Graphs

1 code implementation13 Dec 2023 Huaiyuan Ying, Zhengyun Zhao, Yang Zhao, Sihang Zeng, Sheng Yu

Due to a lack of knowledge, previous contrastive learning models trained with Unified Medical Language System (UMLS) synonyms struggle at clustering difficult terms and do not generalize well beyond UMLS terms.

Clustering Contrastive Learning +2

The Internet of Responsibilities-Connecting Human Responsibilities using Big Data and Blockchain

no code implementations7 Dec 2023 Xuejiao Tang, Jiong Qiu, Wenbin Zhang, Ibrahim Toure, Mingli Zhang, Enza Messina, Xueping Xie, Xuebing Wang, Sheng Yu

Accountability in the workplace is critically important and remains a challenging problem, especially with respect to workplace safety management.

Management

A Real-Time Robust Ecological-Adaptive Cruise Control Strategy for Battery Electric Vehicles

no code implementations2 Aug 2023 Sheng Yu, Xiao Pan, Anastasis Georgiou, Boli Chen, Imad M. Jaimoukha, Simos A. Evangelou

This work addresses the ecological-adaptive cruise control problem for connected electric vehicles by a computationally efficient robust control strategy.

Computational Efficiency Model Predictive Control

EHRDiff: Exploring Realistic EHR Synthesis with Diffusion Models

1 code implementation10 Mar 2023 Hongyi Yuan, Songchi Zhou, Sheng Yu

Electronic health records (EHR) contain a wealth of biomedical information, serving as valuable resources for the development of precision medicine systems.

Generative Adversarial Network Image Generation

A Computationally Efficient Robust Model Predictive Control Framework for Ecological Adaptive Cruise Control Strategy of Electric Vehicles

no code implementations21 Nov 2022 Sheng Yu, Xiao Pan, Anastasis Georgiou, Boli Chen, Imad M. Jaimoukha, Simos A. Evangelou

The control objective of the RMPC is to optimise the electric energy efficiency of the ego vehicle with consideration of a bounded model mismatch disturbance subject to satisfaction of physical and safety constraints.

Model Predictive Control

Generative Biomedical Entity Linking via Knowledge Base-Guided Pre-training and Synonyms-Aware Fine-tuning

1 code implementation NAACL 2022 Hongyi Yuan, Zheng Yuan, Sheng Yu

Entities lie in the heart of biomedical natural language understanding, and the biomedical entity linking (EL) task remains challenging due to the fine-grained and diversiform concept names.

Decoder Entity Linking +1

BioBART: Pretraining and Evaluation of A Biomedical Generative Language Model

1 code implementation BioNLP (ACL) 2022 Hongyi Yuan, Zheng Yuan, Ruyi Gan, Jiaxing Zhang, Yutao Xie, Sheng Yu

Furthermore, we conduct ablation studies on the pretraining tasks for BioBART and find that sentence permutation has negative effects on downstream tasks.

Entity Linking Language Modelling +6

BIOS: An Algorithmically Generated Biomedical Knowledge Graph

no code implementations18 Mar 2022 Sheng Yu, Zheng Yuan, Jun Xia, Shengxuan Luo, Huaiyuan Ying, Sihang Zeng, Jingyi Ren, Hongyi Yuan, Zhengyun Zhao, Yucong Lin, Keming Lu, Jing Wang, Yutao Xie, Heung-Yeung Shum

For decades, these knowledge graphs have been developed via expert curation; however, this method can no longer keep up with today's AI development, and a transition to algorithmically generated BioMedKGs is necessary.

BIG-bench Machine Learning Knowledge Graphs +3

Multimodal Learning on Graphs for Disease Relation Extraction

1 code implementation16 Mar 2022 Yucong Lin, Keming Lu, Sheng Yu, Tianxi Cai, Marinka Zitnik

On a dataset annotated by human experts, REMAP improves text-based disease relation extraction by 10. 0% (accuracy) and 17. 2% (F1-score) by fusing disease knowledge graphs with text information.

Knowledge Graphs Relation +1

Semi-constraint Optimal Transport for Entity Alignment with Dangling Cases

1 code implementation11 Mar 2022 Shengxuan Luo, Pengyu Cheng, Sheng Yu

To improve EA with dangling entities, we propose an unsupervised method called Semi-constraint Optimal Transport for Entity Alignment in Dangling cases (SoTead).

Entity Alignment Knowledge Graphs +2

PMC-Patients: A Large-scale Dataset of Patient Summaries and Relations for Benchmarking Retrieval-based Clinical Decision Support Systems

2 code implementations28 Feb 2022 Zhengyun Zhao, Qiao Jin, Fangyuan Chen, Tuorui Peng, Sheng Yu

Results: PMC-Patients contains 167k patient summaries with 3. 1M patient-article relevance annotations and 293k patient-patient similarity annotations, which is the largest-scale resource for ReCDS and also one of the largest patient collections.

Benchmarking Retrieval

Efficient Symptom Inquiring and Diagnosis via Adaptive Alignment of Reinforcement Learning and Classification

2 code implementations1 Dec 2021 Hongyi Yuan, Sheng Yu

To address this issue, we devise an adaptive mechanism to align reinforcement learning and classification methods using distribution entropy as the medium.

Decision Making Medical Diagnosis +4

Sentence Alignment with Parallel Documents Facilitates Biomedical Machine Translation

1 code implementation17 Apr 2021 Shengxuan Luo, Huaiyuan Ying, Jiao Li, Sheng Yu

Materials and Methods: Document-level translations are mixed to train bilingual word embeddings (BWEs) for the evaluation of cross-lingual word similarity, and sentence distance is defined by combining semantic and positional similarities of the sentences.

Machine Translation NMT +4

Word Segmentation as Graph Partition

no code implementations5 Apr 2018 Yuan-Hao Liu, Sheng Yu

We propose a new approach to the Chinese word segmentation problem that considers the sentence as an undirected graph, whose nodes are the characters.

Chinese Word Segmentation Segmentation +1

NILE: Fast Natural Language Processing for Electronic Health Records

no code implementations23 Nov 2013 Sheng Yu, Tianrun Cai, Tianxi Cai

This paper introduces the design and performance of Narrative Information Linear Extraction (NILE), a natural language processing (NLP) package for EHR analysis that we share with the medical informatics community.

named-entity-recognition Named Entity Recognition +2

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