Help Center/ Graph Engine Service/ API Reference (ME-Abu Dhabi Region)/ Service Plane APIs/ Algorithm APIs/ Algorithm API Parameter References/ PersonalRank

Updated on 2022-02-22 GMT+08:00

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PersonalRank

**Table 1** Parameter description
Parameter	Mandatory	Description	Type	Value Range	Default Value
source	Yes	Vertex ID	String	-	-
alpha	No	Weight coefficient	Double	A real number between 0 and 1 (excluding 0 and 1)	0.85
convergence	No	Convergence	Double	A real number between 0 and 1 (excluding 0 and 1)	0.00001
max_iterations	No	Maximum iterations	Integer	1 to 2000	1000
directed	No	Whether to consider the edge direction	Boolean	true or false	true

For details about algorithm iterations and convergence, see Iterations and Convergence of PageRank.

**Table 2** **response_data** parameter description
Parameter	Type	Description
source	String	-
personalrank	List	PersonalRank value of each vertex. The format is as follows: [{vertexId:rankValue},...], where vertexId is of the string type. rankValue is of the double type.

Parent topic: Algorithm API Parameter References

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