package eu.dnetlib.data.proto;

option java_package = "eu.dnetlib.data.proto";
option java_outer_classname = "SimilarityRelProtos";

message SimilarityRel {

// level of similarity: coefficient from [0, 1] range,
// the greater the number, the more similar the documents
    optional float similarity = 1;

    enum Type {
	STANDARD = 1;
	WEBUSAGE = 2;
    }

// similarity type
    optional Type type = 2 [default = STANDARD];
    
}