ABSTRACT
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A natural language refers to any language used by people for communication, other than machine or computerized language such as C++ or Java. Natural language processing (NLP), a field of artificial intelligence and computational linguistics, is the automated analysis of natural language. Within biomedicine, the biomedical literature includes a large number of publications written in text format to which NLP techniques are applied. In the clinical domain, there has been a surge of interest in the secondary use of electronic health record (EHR) system data, including electronic clinical notes to improve health care quality through disease surveillance, decision support, and evidence-based medicine. To improve the use of textual information in EHR systems, the development of effective NLP methods for clinical texts is an important and challenging task for effectively using EHR data more reliably.
