Table 2: Feature of knowledge discovery and related criteria.

Key Criteria Ranking Yes No
Rank No. (%) No. (%) No. (%)
Drill-down features 1 18 (42.9%) 42 (100%) 0
Dimensional modeling with hierarchies and levels 1 23 (54.8%) 38 (90.5%) 4 (9.5%)
Dependency analysis 1 14 (33.3%) 41 (97.6%) 1 (2.4%)
What-if analysis 1 15 (35.7%) 42 (100%) 0
Move from monitoring layer to analysis layer 1 14 (33.3%) 41 (97.6%) 1 (2.4%)