sample.txt

/*
Undirected graph symbolizes CS315 course. Vertices represent students and instructor. Edges represent relationships.
*/

ungraph CS315{
	vertex x, y, z, k;
	x--y--z;
	y--k, x--k, z--k;
	edge1 = x--y;
	edge2 = y--z;
	edge3 = z--k;
	edge4 = x--k;
	edge5 = y--k;

	vertex x{
		"name" = "Kemal";
		"surname" = "Buyukkaya";
		"type" = "Student";
	}

	y."name" = "Berk";
	y."surname" = "Yurttas";
	y."type" = "Student";

	z."name" = "Ilteris";
	z."surname" = "Tabak";
	z."type" = "Student";

	k."name" = "Bugra";
	k."surname" = "Gedik";
	k."type" = "Instructor";

	(x--y).“relationship” = “project group”;

	edge edge2 {
		“relationship” = “project group”;
	}
	edge edge3 {
		"relationship" = "instructor student";
	}
	edge edge4 {
		"relationship" = "instructor student";
	}
	edge5."relationship" = "instructor student";

	x."grades" = {“CS102”:[80, 90], “CS101”:[50, 60]};
	y."grades" = {“CS102”:[63, 55], “CS101”:[35, 40]};
	z."grades" = {“CS102”:[43, 05], “CS101”:[28, 64]};
}

/*
Directed graph represent the relationship between cities of Turkey. Vertices represent cities. Edges represent highways between cities.
*/
digraph Turkey{
	vertex e, a, k;
	e<->a<->k
	edge1 = e<->a;
	edge2 = a<->k;

	vertex e{
		e."name" = "Eskisehir";
		e."plateNo" = 26;
	}
	vertex a{
		a."name" = "Ankara";
		a."plateNo" = 06;
	}
	k."name" = "Konya";
	k."plateNo" = 42;

	edge edge1{
		"name" = "D-200";
		"distance" = 234;
	}
	edge2."name" = "D-715";
	edge2."distance" = 262;
}
//Queries
query1 = [“name” == “Kemal”];
query2 = <“relationship” == “project group”>;
query3 = [“name” == “Berk”];
query4 = query1 query2 query3;
CS315 ? query4;
CS315 ? query1 (query2 query3)*;
query5 = query1 <commonValue = “relationship”> query3 (<“relationship” == commonValue> [“name” == “Bugra”])+;
CS315 ? query5;
query6 = [true] (<“relationship” == “project group”> [true])*;
CS315 ? query6;

query7 = [“name” == “Eskisehir”];
query8 = <“name” == “D-200”>;
query9 = [“name” == “Ankara”];
query10 = query7 query8 query9;
Turkey ? query10;
Turkey ? query7 (query8 query9)*;
query11 = query7 <commonValue = “name”> query9 (<“name” == commonValue> [“name” == “Eskisehir”])+;
Turkey ? query11;
query12 = [true] (<“name” == “D-200”> [true])*;
Turkey ? query12;