Research Article
Semantic Labeling of User Location Context Based on Phone Usage Features
Table 3
Comparison of 3-class and 10-class solutions.
| | Number of classes | 10 | 3 |
| | Data representation | Places | Places | Cum. | Places | Cum. | | | | | Samples | | Samples | | Number of cases | 369 | 369 | 128137 | 295 | 108531 | | Home: number (percentage) | 106 (28.7) | 106 (28.7) | 39250 (30.6) | 106 (35.9) | 39250 (36.2) | | Work: number (percentage) | 98 (26.6) | 98 (26.6) | 37602 (29.4) | 98 (33.2) | 37602 (34.6) | | Other: number (percentage) | 165 (44.7) | 165 (44.7) | 51285 (40.0) | 91 (30.9) | 31679 (29.2) |
| | Features | All 14 | 3: | All 9 | All 14 | All 9 | | Classifier | BT | BT | BT | LR | LR | | Overall accuracy (%) | 62.3 | 68.5 | 68.4 | 89.2 | 89.5 |
| | Class accuracies (%) | | | | | | | 1 (Home) | 92.4 | 92.4 | 94.6 | 93.0 | 92.0 | | 2 | 61.5 | 57.6 | 54.1 | | | | 3 (Work) | 90.8 | 89.7 | 91.7 | 92.0 | 88.0 | | 4 | 25.0 | 62.5 | 45.4 | | | | 5 | 0.0 | 23.0 | 0.0 | | | | 6 | 0.0 | 22.7 | 5.0 | | | | 7 | 11.1 | 16.6 | 27.4 | | | | 8 | 0.0 | 20.0 | 13.0 | | | | 9 | 15.7 | 31.5 | 21.6 | | | | 10 | 0.0 | 42.8 | 23.2 | | | | (Other) | (26.0) | (40.0) | (31.2) | 81.0 | 89.0 |
|
|
