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Who We Are
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Who We Serve
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Titan Awards
Regional Chapters
Website Privacy Policy Notice
Updates & News
Community News & Updates
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Software Tools
Software Tools
OHDSI TAB
Open-Source Tutorials
Network Studies
Ongoing OHDSI Studies
OHDSI Authorship Guidelines
Community Forums
Forums Homepage
OHDSI Forum Best Practices
Education
Book of OHDSI
Book of OHDSI (English Version)
Book of OHDSI (Korean Version)
Book of OHDSI (Chinese Version)
Book of OHDSI (Japanese Version)
Order The Book of OHDSI (Amazon)
EHDEN Academy
2023 SOS Challenge (Network Studies)
YouTube: Tutorials and Presentations
ATLAS Tutorials
Past Presentations (2015-2021)
New To OHDSI?
Join Our Microsoft Teams Environment
Join A Forum Discussion
Introduce Yourself!
Upcoming Workgroup Calls
Video: What Is OHDSI?
Learn More: The Book Of OHDSI
Community Calls
2026 Community Calls
Europe Community Calls
APAC Community Calls
2025 Community Calls
2024 Community Calls
2023 Community Calls
2022 Community Calls
2021 Community Calls
Past Events
2025 Global Symposium
2025 Global Collaborator Showcase
2025 APAC Symposium
2025 Africa Symposium
2025 Europe Symposium
2024 Global Symposium
2024 Global Symposium Collaborator Showcase
2024 APAC Symposium
2024 India Symposium
2024 Europe Symposium
2024 Europe Collaborator Showcase
2023 Global Symposium
2023 Global Collaborator Showcase
2023 APAC Symposium
2023 Europe Symposium
2023 Europe Symposium Collaborator Showcase
ALL Past OHDSI Events
Workgroups
Learn About Our Workgroups
Join Our Teams Environment
Join Our Workgroups
Workgroup Call Schedule
Workgroup Tips
Best Practices in MS Teams
Tutorials
2025 ‘Our Journey’ Annual Report
Current Events
This Week in OHDSI
Funding Opportunities
Support & Sponsorship
Publications/Dashboard
2026 Global Symposium
Register Me For The 2026 Global Symposium!
2026 Global Collaborator Showcase
2026 Global Symposium Agenda
2026 Global Symposium Tutorials
2026 Global Symposium Workgroup Activities
Sign up for the OHDSI Jam Session
Book Your Hyatt Hotel Guestroom
Symposium FAQs
2026 APAC Symposium
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APAC Symposium Datathon
APAC Symposium Showcase (Submission Deadline is Aug. 17)
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Leveraging the OHDSI vocabulary to characterize the COVID-19 epidemic using Twitter data and NLP
Authors:
Juan Banda, Ramya Tekumalia
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Abstract
Poster PDF
Video Presentation
