type Person { name: String age: Int livesIn : Location @relation(name:"LIVES_IN", direction: OUT) livedIn : [Location] @relation(name:"LIVED_IN", direction: OUT) born : Birth died : Death } interface Temporal { date: String } type Birth implements Temporal @relation(name:"BORN") { from: Person to: Location date: String } type Death implements Temporal @relation(name:"DIED",from:"who",to:"where") { who: Person where: Location date: String } interface Location { name: String founded: Person @relation(name:"FOUNDED", direction: IN) sort_Arg: String } type City implements Location { name: String founded: Person @relation(name:"FOUNDED", direction: IN) sort_Arg: String city_Arg: String } type Village implements Location { name: String founded: Person @relation(name:"FOUNDED", direction: IN) sort_Arg: String villageArg: String } 

query { persons{ born{ date } } } 

MATCH (persons:Person) CALL {	WITH persons	OPTIONAL MATCH (persons)-[personsBorn:BORN]->(personsBornTo:Location)	RETURN personsBorn {	.date	} AS personsBorn LIMIT 1 } RETURN persons {	born: personsBorn } AS persons 

query { persons{ born{ date to { name } } } } 

MATCH (persons:Person) CALL {	WITH persons	OPTIONAL MATCH (persons)-[personsBorn:BORN]->(personsBornTo:Location)	RETURN personsBorn {	.date,	to: personsBornTo {	.name,	__typename: head([label IN labels(personsBornTo) WHERE label IN $personsBornToValidTypes])	}	} AS personsBorn LIMIT 1 } RETURN persons {	born: personsBorn } AS persons 

CREATE (u1:Person {name: 'Hashi',age:10}) CREATE (u1:City {name: 'Bangalore'}) CREATE (a)-[r:BORN{date:'23-12-2013'}]->(b) RETURN type(r), r.date