Table 1. Distribution of the surveyed data-driven works by task and by methodology.
| Task | Methodology | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Association rules | Decision trees | Hidden Markov Models (HMM) | Neural networks | NLP | Retrieval techniques | Statistics | SVM | Voice analysis | Multiple methods | Total | |
| Image interpretation | 47 | 17, 30, 58 | 34, 38 | 6 | |||||||
| Prediction | 23 | 31 | 15, 17-19, 28-30, 35, 40, 41, 52 | 33, 44 | 34, 38 | 32 | 36, 46 | 53 | 10-14, 21, 22, 24-27, 39, 42, 45, 48, 49, 51, 54,57 | 39 | |
| Risk analysis | 55 | 1 | |||||||||
| Rule mining | 20 | 1 | |||||||||
| Time series interpretation | 31 | 1 | |||||||||
| Voice interpretation | 53 | 1 | |||||||||
| Text interpretation and prediction | 16, 43, 44, 50, 56 | 32, 37, 43 | 16, 33, 50 | 8 | |||||||
| Total | 1 | 2 | 1 | 12 | 6 | 2 | 4 | 2 | 1 | 22 | – |