Table 11 Evaluations and numbers of corrected queries for Levenshtein edit distance with different thresholds
From: Matching health information seekers' queries to medical terms
Threshold | < 0.05 | < 0.1 | < 0.15 | < 0.2 | < 0.25 | < 0.3 | < 0.35 | < 0.4 | < 0.45 | < 0.5 | < 0.6 |
|---|---|---|---|---|---|---|---|---|---|---|---|
Number of suggestions | 14 | 73 | 118 | 176 | 273 | 549 | 1,187 | 2,265 | 4,707 | 8,448 | 59,844 |
Answered Queries | 14 | 71 | 105 | 126 | 137 | 141 | 148 | 154 | 157 | 162 | 163 |
Precision (%) | 100 | 100 | 99.04 | 97.61 | 95.62 | 95.03 | 91.89 | 91.55 | 89.80 | 87.03 | 86.50 |
Recall (%) | 08.58 | 43.55 | 63.80 | 75.46 | 80.36 | 82.20 | 83.43 | 86.50 | 86.50 | 86.50 | 86.50 |
F-Measure (%) | 15.81 | 60.68 | 77.61 | 85.12 | 87.33 | 88.15 | 87.45 | 88.95 | 88.12 | 86.76 | 86.50 |