Past Challenges

The n2c2 challenges began in 2006 during the i2b2 project and now continue through the Department of Biomedical Informatics in the Blavatnik Institute at Harvard Medical School, in collaboration with George Mason University Volgenau School of Engineering.

2006 — Deidentification & Smoking

2008 — Obesity

2009 — Medication

2010 — Relations

2011 — Coreference

2012 — Temporal Relations

2014 — Deidentification & Heart Disease

2016 — RDoC for Psychiatry

2018 (2 Tracks)

2019 (4 Tracks)