Grid-PPPS: A Skyline Method for Efficiently Handling Top-𝑘 Queries in Internet of Things

Table 1

The list of restaurants in Example 1.

Number	Name	Distance (100 m)	Price ($10)	Score
A	Mago	1.0	11.0	No score
B	Little Pasta	2.0	8.0	5.6
C	La Tavola	3.5	7.0	5.6
D	Olive Garden	4.0	4.0	4.0
E	Alto	5.0	2.0	3.2
F	Melrose	8.8	1.0	No score
G	Morton House	9.0	3.0	No score
H	Applebee’s	6.0	6.0	6.0
I	Boulevard	4.0	9.0	No score
J	IHOP	5.3	8.5	No score
K	Shadow Brook	7.6	7.0	7.24