publication . Conference object . 2015

BluLab: Temporal Information Extraction for the 2015 Clinical TempEval Challenge

Danielle L. Mowery; Sumithra Velupillai; Samir E. AbdelRahman; Lee M. Christensen; Wendy W. Chapman;
Open Access
  • Published: 01 Jan 2015
  • Publisher: Association for Computational Linguistics
  • Country: Sweden
Abstract
The 2015 Clinical TempEval Challenge addressed the problem of temporal reasoning in the clinical domain by providing an annotated corpus of pathology and clinical notes related to colon cancer patients. The challenge consisted of six subtasks: TIMEX3 and event span detection, TIMEX3 and event attribute classification, document relation time and narrative container relation classification. Our BluLab team participated in all six subtasks. For the TIMEX3 and event subtasks, we developed a ClearTK support vector machine pipeline using mainly simple lexical features along with information from rule-based systems. For the relation subtasks, we employed a conditional ...
Subjects
free text keywords: Information Systems, Systemvetenskap, informationssystem och informatik, Temporal information, Natural language processing, computer.software_genre, computer, Conditional random field, Relation classification, Information retrieval, Information system, Support vector machine, Artificial intelligence, business.industry, business, Ranking, Computer science
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