// moviedb schema

?Person Full_name UNIQUE Text
        Born UNIQUE DateType
        Address Mail Text
        Email Text
	Phone Text
	Height UNIQUE Int
	Stars_in ?Movie XREF Cast
	Directed ?Movie XREF Director
	Scripted ?Movie XREF Writer
	Wrote ?Book XREF Author
?Movie	Title UNIQUE Text
	Aka Text
	Released UNIQUE DateType
	Cast ?Person XREF Stars_in
	Director ?Person XREF Directed
	Writer ?Person XREF Scripted
	Based_on ?Book XREF Script_for
	Rating UNIQUE Float
?Book Reference Title UNIQUE ?Text
		   Publisher UNIQUE Text
		   Year UNIQUE Int
	Author ?Person XREF Wrote
	Script_for ?Movie XREF Based_on

// subclass definitions

Class Actor
Visible
Is_a_subclass_of Person
Filter Stars_in

Class Director
Visible
Is_a_subclass_of Person
Filter Directed

Class ScriptWriter
Visible
Is_a_subclass_of Person
Filter Scripted

Class Author
Visible
Is_a_subclass_of Person
Filter Wrote