Efficient Shared Execution Processing of k-Nearest Neighbor Joins in Road Networks

Table 4

Investigation of and

Condition	(query locations)	(query locations)	Does equal ?
Figure 8(a)	3 (, , )	2 (,)	No
Figure 8(b)	2 (, )	2 (, )	Yes
Figure 8(c)	2 (, )	2 (, )	Yes
Figure 8(d)	1 ()	1 ()	Yes
Figure 9(a)	2 (, )	2 (, )	Yes
Figure 9(b)	2 (, )	2 (, )	Yes
Figure 9(c)	2 (, )	2 (, )	Yes
Figure 9(d)	2 (, )	2 (, )	Yes