Papers and Software Projects

• For most recent, see CV or Google Scholar page
• Dissertation. Value Sets for the Analysis of Real-World Patient Data: Problems, Theory, and Solutions. University of Maryland, College Park. ProQuest Dissertations & Theses, 2024.
• Value sets and the problem of redundancy in value set repositories. Gold S, Lehmann HP, Schilling LM, Lutters WG. 2024. PLoS ONE 19(12): e0312289. https://doi.org/10.1371/journal.pone.0312289
• Value Set Hub: Software for developing and curating high-quality value sets. Sigfried Gold, Joseph E. Flack IV, Wayne G. Lutters, Christopher G. Chute. On medRxiv, 2024.
• VS-Hub. Exploration and comparison for National COVID Cohort Collaborative concept sets. 2022 - 2024. Live application.
• ICD10 — SNOMED mapping pitfalls: Post-coordinated expressions and concept sets. Sigfried Gold, Tanner Zhang, Richard L. Zhu, Stephanie Hong, Harold P. Lehmann, Davera Gabriel, Tricia Francis, Lisa Eskenazi, Christopher G. Chute. 2022 OHDSI Symposium, Bethesda, Maryland — Poster — Abstract
• Practices, norms, and aspirations regarding the construction, validation, and reuse of code sets in the analysis of real-world data. Sigfried Gold, Harold Lehmann, Lisa Schilling, Wayne Lutters. On medRxiv
• Clinical Concept Value Sets and Interoperability in Health Data Analytics. Gold, S., Batch, A., McClure, R., Jiang, G., Kharrazi, H., Saripalle, R., Huser, V., Weng, C., Roderer, N., Szarfman, A., Elmqvist, N., Gotz, D. AMIA Annual Symposium proceedings, 2018, 480-489 — On PubMed Central
• OHDSI / ATLAS Patient Profile Visualization. Interactive display of patient medical history for observational research — Demo — OHDSI — ATLAS Contributions on GitHub
• OHDSI / Drug Exposure Gap Explorer. Proof of concept for interactive analysis of drug exposure periods and gaps — Code
• Supergroup. Adds extreme convenience and understandability to the manipulation of Javascript data collections, especially in the context of D3.js visualization programming. — Documentation — Blog article — Source code on GitHub
• MERKI Medication Parser. PubMed full-text — Distinguished Paper Award. — Source code on GitHub
• DQ CDM Visual Exploration Platform. Experimental browser for aggregate data quality datasets conforming to the Data Quality Collaborative Common Data Model. Code produced for the DQ Code-a-Thon in November, 2015. The following demos won't make a lot of sense if you don't understand the DQ CDM and it's goals, but here they are for the curious: video, wiki
• TreeLike arbitrary CSV visualization in D3.js. Documentation — Source code on GitHub — Demo (will require a CSV file to analyze like this MySQL world data file)
• LifeFlow and event visualization in D3.js. LifeFlow demo — Source code on GitHub
• Black Hat Presentation
• EventFlow. Visual Analysis of Temporal Event Sequences and Advanced Strategies for Healthcare Discovery. Collaboration with University of Maryland Human Computer Interaction Lab, Ben Shneiderman, Catherine Plaisant, Megan Monroe, Krist Wongsuphasawat, and Jeff Millstein — Paper — Case Study — Video