[Retracted] A Two-Phase Method for Optimization of the SPARQL Query

Table 3

Vertex lists for predicate path indices.

Path length	Predicate path sequence	Vertex Id lists
1		2, 5, 6, 12
		2, 3, 7, 9
		4, 7, 8, 9, 10, 11
2		2, 3, 7
		5
		3
		4, 8, 9
		5
		9
3		8, 9
		6
		7
		11
		2, 7
		10