| 4.2.1 | Discovery and Exchange of Distributed Context Information; subscription and polling |
| 4.2.2 | Gathering, Aggregation and Interpretation from Multiple Distributed Context Sources, derivation of knowledge |
| 4.2.3 | Context Queries based on Semantic Context Schema and QoC |
| 4.2.8 | Prioritized List of Alternatives, plausibility and dealing with imperfect situations |
| 4.3.5 | Prediction |