From: Radiator - efficient message propagation in context-aware systems
# | Scenario | Aggregation function |
---|---|---|
1 | Traffic monitoring | avg(speed) by location |
2 | Road hazards detection | sum(hazards) by location |
3 | Popular spots | count(people) by location |
4 | Facebook likes | sum(likes) by object |
5 | Friends location in crowded spaces | list(people) by distance |
6 | Stock market alerts | newest(values) by share |