Tang B, Wu Y, Jiang M, Chen Y, Denny JC, Xu H. A hybrid system for temporal information extraction from clinical text. Journal of the American Medical Informatics Association : JAMIA. 20(20). 828-35. PMID: 23571849 [PubMed] PMCID: PMC3756274
To develop a comprehensive temporal information extraction system that can identify events, temporal expressions, and their temporal relations in clinical text. This project was part of the 2012 i2b2 clinical natural language processing (NLP) challenge on temporal information extraction.