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Table 8 Summary of evaluation results for keyword inputs

From: NCBO Ontology Recommender 2.0: an enhanced approach for biomedical ontology recommendation

Database Mean lengtha Executions with coverage < 20%b Mean coverage (top ranked ontology)c Execution time (seconds)
   1.0* 2.0** 1.0* 2.0** 2.0 (sets)*** 1.0* 2.0** 2.0 (sets)***
AERS 29.5 6.0% 0.0% 54.6% 97.8% 99.6% 10.2 9.1 10.5
AGDB 8.2 5.0% 0.0% 53.4% 67.5% 82.9% 6.5 9.9 10.9
CT 16.6 12.0% 2.0% 61.4% 76.5% 84.8% 9.9 8.4 10.2
DBK 5.9 13.0% 1.0% 60.5% 74.7% 89.6% 4.3 6.8 7.3
PGGE 15.4 2.0% 0.0% 73.1% 80.5% 83.0% 9.9 9.1 10.3
UPKB 29.9 18.0% 0.0% 74.6% 96.3% 99.1% 16.5 13.1 16.9
Mean 17.6 9.3% 0.5% 62.9% 82.2% 89.8% 9.5 9.4 11.0
  1. aMean of the number of words for the inputs extracted from the database
  2. bPercentage of executions where the coverage of the top recommended ontology was lower than 20%
  3. cMean coverage provided by the top ranked ontology
  4. *Ontology Recommender 1.0; **Ontology Recommender 2.0; ***Ontology Recommender 2.0 (ontology sets output)