Published on in Vol 9, No 2 (2021): February
![Lexicon Development for COVID-19-related Concepts Using Open-source Word Embedding Sources: An Intrinsic and Extrinsic Evaluation Lexicon Development for COVID-19-related Concepts Using Open-source Word Embedding Sources: An Intrinsic and Extrinsic Evaluation](https://asset.jmir.pub/assets/c384bbad3d98cb413e9d3246c9f49378.png 480w,https://asset.jmir.pub/assets/c384bbad3d98cb413e9d3246c9f49378.png 960w,https://asset.jmir.pub/assets/c384bbad3d98cb413e9d3246c9f49378.png 1920w,https://asset.jmir.pub/assets/c384bbad3d98cb413e9d3246c9f49378.png 2500w)
1 School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA, United States
2 Department of Biostatistics, Epidemiology, & Informatics, University of Pennsylvania, Philadelphia, PA, United States
3 Division of Hematology/Oncology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, United States
4 Philadelphia College of Osteopathic Medicine, Philadelphia, PA, United States
5 Data Analytics Center, Penn Medicine, Philadelphia, PA, United States
6 Department of Biostatistics, Epidemiology, & Informatics, Institute for Biomedical Informatics, University of Pennsylvania, Philadelphia, PA, United States
*these authors contributed equally