UMLS Tools
|
Users of the UMLS, both at NLM and elsewhere, have developed
different tools that can be used with the UMLS Knowledge Sources.
Items marked with 
require users to complete a UMLS license agreement prior to use and are accessed via the UMLS Knowledge Source Server (UMLSKS).
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
Metathesaurus String Properties
|
A vector of properties computed for each English string
in the Metathesaurus. These properties help select
Metathesaurus strings that are suitable for Natural
Language Processing (NLP) applications.
|
|
|
|
|
|
Semantic Navigator
|
Experimental knowledge exploration tool for the UMLS.
It displays the semantic space surrounding an arbitrary
UMLS concept. Clicking on any concept dynamically
generates a new display in which the entered concept
becomes the center of the new semantic space.
|
|
|
|
|
|
Semantic Groups
|
A coarse-grained set of semantic type groupings designed
to reduce the complexity in the UMLS Metathesaurus. The
15 semantic groups provide a partition of the UMLS
Metathesaurus for 99.5% of the concepts.
|
|
|
|
|
|
MetaMap |
MetaMap is a highly configurable program developed at the National Library of Medicine (NLM) to map biomedical text to the Metathesaurus or, equivalently, to discover Metathesaurus concepts referred to in text. MetaMap uses a knowledge intensive approach based on symbolic, natural language processing (NLP) and computational linguistic techniques.
|
|
|
|
MetaMap Transfer (MMTx) |
MMTx is an effort to make the MetaMap program available
to biomedical researchers in a generic, configurable
environment.With this software, text
is processed through a series of modules. First it is
parsed into components including sentences, paragraphs,
phrases, lexical elements and tokens. Variants are
generated from the resulting phrases. Candidate concepts
from the UMLS Metathesaurus are retrieved and evaluated
against the phrases. The best of the candidates are
organized into a final mapping in such a way as to best
cover the text. |
|
Last reviewed: 05 January 2009
Last updated: 06 May 2009
First published: 26 March 2004
Metadata| Permanence level: Permanence Not Guaranteed
