### Data

@prefix : <http://example.com/> .

:a :p 1 ; :q 1,2 .
:b :p 3.0 ; :q 4.0, 5.0 .

### Query 1: NOT EXISTS

PREFIX : <http://example.com/>
SELECT * WHERE {
	?a :p ?n
	FILTER NOT EXISTS {
		?a :q ?m .
		FILTER(?n = ?m)
	}
}

+------------------------+-----+
| a                      | n   |
+------------------------+-----+
| <http://example.com/b> | 3.0 |
+------------------------+-----+

### Query 2: MINUS

PREFIX : <http://example.com/>
SELECT * WHERE {
	?a :p ?n
	MINUS {
		?a :q ?m .
		FILTER(?n = ?m)
	}
}

+------------------------+-----+
| a                      | n   |
+------------------------+-----+
| <http://example.com/a> | 1   |
| <http://example.com/b> | 3.0 |
+------------------------+-----+