select ?z, ?y, ?x 
from http://example.com,  http://exampleagain.com 
where (?z http://jdsfhgjfhk ?x)
 (?z http://jdahgfkjasdhgkj ?y)
and ?z < 5  
and ?z > 5  
and ?z <= 5  
and ?z >= 5  
and ?z == 5  
and ?z ~ "bleh"   
and ?z eq 'bleh'