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2010 ; 28
(2
): 128-30
Nephropedia Template TP
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Ontology engineering
#MMPMID20139945
Alterovitz G
; Xiang M
; Hill DP
; Lomax J
; Liu J
; Cherkassky M
; Dreyfuss J
; Mungall C
; Harris MA
; Dolan ME
; Blake JA
; Ramoni MF
Nat Biotechnol
2010[Feb]; 28
(2
): 128-30
PMID20139945
show ga
Gene Ontology and similar biomedical ontologies are critical tools of today
genetic research. These ontologies are crafted through a painstaking process of
manual editing, and their organization relies on the intuition of human curators.
Here we describe a method that uses information theory to automatically organize
the structure of GO and optimize the distribution of the information within it.
We used this approach to analyze the evolution of GO, and we identified several
areas where the information was suboptimally organized. We optimized the
structure of GO and used it to analyze 10,117 gene expression signatures. The use
of this new version changed the functional interpretations of 97.5% (p < 10-3) of
the signatures by, on average, 14.6%. As a result of this analysis, several
changes will be introduced in the next releases of GO. We expect that these
formal methods will become the standard to engineer biomedical ontologies.
|*Terminology as Topic
[MESH]
|Computational Biology/*methods
[MESH]
|Data Mining/*methods
[MESH]
|Genes/*genetics
[MESH]
|Genetic Engineering/*statistics & numerical data
[MESH]