Extended Privacy in Crowdsourced Location-Based Services Using Mobile Cloud Computing

Table 1

Medical records of a sample population.

	Nonsensitive (quasi-identifiers)			Sensitive
	ZIP code	Age	Nationality	Situation
1	13053	28	Russian	Heart disease
2	13068	29	American	Heart disease
3	13068	21	Japanese	Viral infection
4	13053	23	American	Viral infection
5	14853	50	Indian	Cancer
6	14853	55	Russian	Heart disease
7	14850	47	American	Viral infection
8	14850	49	American	Viral infection
9	13053	31	American	Cancer
10	13053	37	Indian	Cancer
11	13068	36	Japanese	Cancer
12	13068	35	American	Cancer