Table 1 Characteristics of ontologies evaluated
Ontology | Version | # Concepts | Avg. term | Avg. words | Avg. # | % Have | % Have | % Have |
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | length | in term | synonyms | punctuation | numerals | stop words |
Cell type | 25:05:2007 | 838 | 20.0 ± 9.5 | 3.0 ± 1.4 | 0.5 ± 1.1 | 11.6 | 4.8 | 3.3 |
Sequence | 30:03:2009 | 1,610 | 21.6 ± 13.3 | 3.1 ± 1.0 | 1.4 ± 1 | 91.9 | 6.6 | 9.3 |
ChEBI | 28:05:2008 | 19,633 | 25.5 ± 24.2 | 4.3 ± 4.8 | 2.0 ± 2.5 | 54.8 | 41.3 | 0 |
NCBITaxon | 12:07:2011 | 789,538 | 24.6 ± 10.2 | 3.6 ± 2.0 | N/A | 53.7 | 56.0 | 0.3 |
GO-MF | 28:11:2007 | 7,984 | 39.1 ± 15.4 | 4.6 ± 2.2 | 2.8 ± 4.6 | 52.8 | 26.6 | 2.7 |
GO-BP | 28:11:2007 | 14,306 | 40.1 ± 19.0 | 5.0 ± 2.7 | 2.1 ± 2.5 | 23.5 | 7.0 | 45.7 |
GO-CC | 28:11:2007 | 2,047 | 26.6 ± 14.2 | 3.6 ± 1.7 | 0.1 ± 0.9 | 29.5 | 14.4 | 6.8 |
Protein | 22:04:2011 | 26,807 | 38.4 ± 18.5 | 5.5 ± 2.5 | 3.1 ± 3.2 | 68.4 | 74.8 | 4.3 |