TimeAlign
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Contributed by the Human-Computer Interaction Lab at the University of Maryland, College Park
      Authors: Taowei David Wang, Ben Shneiderman, Catherine Plaisant
      Related Project: Lifelines2

Description

The TimeAlign plugin for i2b2 is a visual analysis tool for temporal categorical data for multiple patient records. It visualizes multiple patients' medical history. Each history contains a set of relevant categorical events (ex. diagnosis, prescription, intervention, room change, admission, discharge, etc). TimeAlign displays the records and their events in a linear, zoomable timeline that allows investigators to quickly grasp the temporal relationships of important events.

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i2b2's TimeAlign plugin originates from the Lifelines2 project in the Human-computer Interaction Lab in the University of Maryland at College Park. Lifelines2 was part of the doctoral dissertation from Taowei David Wang, under the supervision of Ben Shneiderman and Catherine Plaisant. Taowei has since graduated and is now part of the broader i2b2 team, creating other plugins for the i2b2 platform.

Selected Publications

  • Taowei David Wang, Krist Wongsuphasawat, Catherine Plaisant and Ben Shneiderman. Extracting Insights from Electronic Health Records: Case Studies, a Visual Analytics Process Model, and Design Recommendations. Journal of Medical Systems, Volume 35, Number 5 (2011), 1135-1152, DOI: 10.1007/s10916-011-9718-x
  • Taowei David Wang, Amol Deshpande, and Ben Shneiderman, A Temporal Pattern Search Algorithm for Personal History Event Visualization, submitted for journal review, 2009.
  • Taowei David Wang, Catherine Plaisant, Ben Shneiderman, Neil Spring, David Roseman, Greg Marchand, Vikramjit Mukherjee, and Mark Smith. Temporal Summaries: Supporting Temporal Categorical Searching, Aggregation and Comparison, IEEE Transactions on Visualization and Computer Graphics, 15(6), 1049-1056, November/December 2009.
  • Taowei David Wang, Catherine Plaisant, Alex Quinn, Roman Stanchak, Ben Shneiderman, and Shawn Murphy. Aligning Temporal Data by Sentinel Events: Discovering Patterns in Electronic Health Records, Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems (CHI 2008).

Download and Setup

Prerequisite: i2b2 Workbench 1.6 or above.

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