# 2008 Challenge ## expand\_more ## i2b2 Obesity Challenge The second i2b2 NLP challenge was held in 2008 and focused on obesity: Who's obese and what co-morbidities do they (definitely/likely) have? ### Citation Uzuner Ö. **Recognizing Obesity and Co-morbidities in Sparse Data.** Journal of the American Medical Informatics Association. July 2009; 16(4): 561-570. ### Data 1237 discharge summaries of patients who were overweight or diabetic and had been hospitalized for obesity or diabetes sometime since 12/1/04.