U12.06
Privacy aggregation for spatial data
Cards in this group · 5
- U12.06.1Recurring nighttime coordinates alone can reveal exactly where someone lives and works
- U12.06.2Rolling precise points up into area counts can hide individuals inside a shared number
- U12.06.3In a sparsely populated area, an aggregated count can still point to exactly one person
- U12.06.4Randomly shifting coordinates to protect privacy can make a point look like it's on the wrong side of a road
- U12.06.5Aggregation granularity must be set by the sparsest region, not average density