Helen H. Chen

Publication Activity (10 Years)

Years Active: 2014-2023
Publications (10 Years): 21

Top Topics

Disease Surveillance

Convolutional Neural Network

Automatic Extraction

Top Venues

BMC Medical Informatics Decis. Mak.

Publications

Shu-Feng Tsao, Kam Sharma, Hateem Noor, Alan Forster, Helen H. Chen
Health Synthetic Data to Enable Health Learning System and Innovation: A Scoping Review. MIE (2023)
Yang Yang, Xiaomeng Lei, Zeping Zhou, Shu-Feng Tsao, Zahid A. Butt, Helen H. Chen
Investigating Canadian Public Attitudes Toward COVID-19 Vaccine Mandates with a Nested Analysis Framework. MIE (2023)
Yang Yang, Shu-Feng Tsao, Mohammad A. Basri, Helen H. Chen, Zahid A. Butt
Digital Disease Surveillance for Emerging Infectious Diseases: An Early Warning System Using the Internet and Social Media Data for COVID-19 Forecasting in Canada. MIE (2023)
George Michalopoulos, Michal Malyska, Nicola Sahar, Alexander Wong, Helen H. Chen
ICDBigBird: A Contextual Embedding Model for ICD Code Classification. CoRR (2022)
George Michalopoulos, Ian McKillop, Alexander Wong, Helen H. Chen
LexSubCon: Integrating Knowledge from Lexical Resources into Contextual Embeddings for Lexical Substitution. ACL (1) (2022)
George Michalopoulos, Michal Malyska, Nicola Sahar, Alexander Wong, Helen H. Chen
ICDBigBird: A Contextual Embedding Model for ICD Code Classification. BioNLP@ACL (2022)
Hussam Kaka, George Michalopoulos, Sujan Subendran, Kathleen Decker, Pascal Lambert, Marshall Pitz, Harminder Singh, Helen H. Chen
Pretrained Neural Networks Accurately Identify Cancer Recurrence in Medical Record. MIE (2022)
George Michalopoulos, Ian McKillop, Alexander Wong, Helen H. Chen
LexSubCon: Integrating Knowledge from Lexical Resources into Contextual Embeddings for Lexical Substitution. CoRR (2021)
Helen H. Chen, Shubhankar Mohapatra, George Michalopoulos, Xi He, Ian McKillop
Federated Deep Learning Architecture for Personalized Healthcare. MIE (2021)
Shu-Feng Tsao, Helen H. Chen, Therese Tisseverasinghe, Yang Yang, Lianghua Li, Zahid A. Butt
What social media told about us in the time of COVID-19: a scoping review. CoRR (2021)
George Michalopoulos, Yuanxin Wang, Hussam Kaka, Helen H. Chen, Alexander Wong
UmlsBERT: Clinical Domain Knowledge Augmentation of Contextual Embeddings Using the Unified Medical Language System Metathesaurus. NAACL-HLT (2021)
Peiyuan Zhou, Andrew K. C. Wong, Yang Yang, Scott T. Leatherdale, Kate Battista, Zahid A. Butt, George Michalopoulos, Helen H. Chen
Cohort Characteristics and Factors Associated with Cannabis Use among Adolescents in Canada Using Pattern Discovery and Disentanglement Method. CoRR (2021)
Peiyuan Zhou, Andrew K. C. Wong, George Michalopoulos, Robert R. Quinn, Matthew J. Oliver, Yang Yang, Zahid A. Butt, Helen H. Chen
Revealing Common and Rare Patterns for Peritoneal Dialysis Eligibility Decisions with Association Discovery and Disentanglement. BIBM (2020)
André M. Carrington, Paul W. Fieguth, Hammad Qazi, Andreas Holzinger, Helen H. Chen, Franz Mayr, Douglas G. Manuel
A new concordant partial AUC and partial c statistic for imbalanced data in the evaluation of machine learning algorithms. BMC Medical Informatics Decis. Mak. 20 (1) (2020)
George Michalopoulos, Helen H. Chen, Alexander Wong
Where's the Question? A Multi-channel Deep Convolutional Neural Network for Question Identification in Textual Data. CoRR (2020)
George Michalopoulos, Hammad Qazi, Alexander Wong, Zahid A. Butt, Helen H. Chen
Automatic Extraction of Risk Factors for Dialysis Patients from Clinical Notes Using Natural Language Processing Techniques. MIE (2020)
George Michalopoulos, Yuanxin Wang, Hussam Kaka, Helen H. Chen, Alexander Wong
UmlsBERT: Clinical Domain Knowledge Augmentation of Contextual Embeddings Using the Unified Medical Language System Metathesaurus. CoRR (2020)
George Michalopoulos, Helen H. Chen, Alexander Wong
Where's the Question? A Multi-channel Deep Convolutional Neural Network for Question Identification in Textual Data. ClinicalNLP@EMNLP (2020)
André M. Carrington, Paul W. Fieguth, Helen H. Chen
Measures of Model Interpretability for Model Selection. CD-MAKE (2018)
J. McMurray, L. Zhu, Ian McKillop, Helen H. Chen
Ontological modeling of electronic health information exchange. J. Biomed. Informatics 56 (2015)
J. McMurray, L. Zhu, Ian McKillop, Helen H. Chen
Modelling System Level Health Information Exchange: An Ontological Approach. ITCH (2015)
André M. Carrington, Paul W. Fieguth, Helen H. Chen
A new Mercer sigmoid kernel for clinical data classification. EMBC (2014)