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J Am Med Inform Assoc. 2017 Jan 27. pii: ocw177. doi: 10.1093/jamia/ocw177. [Epub ahead of print]

MetaMap Lite: an evaluation of a new Java implementation of MetaMap.

Author information

1
Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA ddemner@mail.nih.gov.
2
Lister Hill National Center for Biomedical Communications, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA.

Abstract

MetaMap is a widely used named entity recognition tool that identifies concepts from the Unified Medical Language System Metathesaurus in text. This study presents MetaMap Lite, an implementation of some of the basic MetaMap functions in Java. On several collections of biomedical literature and clinical text, MetaMap Lite demonstrated real-time speed and precision, recall, and F1 scores comparable to or exceeding those of MetaMap and other popular biomedical text processing tools, clinical Text Analysis and Knowledge Extraction System (cTAKES) and DNorm.

KEYWORDS:

algorithms; natural language processing; software design; software validation; unified medical language system

PMID:
28130331
DOI:
10.1093/jamia/ocw177
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