digraph m{

r [label="Attribute Meta Model"];
bs [label="Trivial"];
cs [label="Core set"];
oid [label="OID/URN"];
disp [label="Display Name"];
type [label="Type"];
val [label="Value"];
simp [label="simple"];
comp [label="complex"];
rep [label="Representation"];
valdom [label="value domain"];
occ [label="occurrence"];
enc [label="encryption"];
pres [label="Presentation"];
lang [label="Language"];
dsize [label="display size"];
ir [label="Integrity Rules"];
irmand [label="is mandatory"];
ircomp [label="more complex rules"];
dr [label="Derivation rule"];
timever [label="Time since last verification"];
procver [label="Process used for verification"];
qa [label="Quality assurance"];
oi [label="Original issuer"];
polref [label="Policy Reference"];
srvprov [label="Service Provisioning"];

r -> bs;
bs -> name;
bs -> value;
r -> cs;
cs -> oid;
cs -> disp;
cs -> type;
cs -> val;
type -> simp;
type -> comp;
r -> rep;
rep -> size;
rep -> valdom;
rep -> occ;
rep -> enc;
r -> pres;
pres -> lang;
pres -> dsize;
r -> ir;
ir -> irmand;
ir -> ircomp;
r -> dr;
r -> uniquness;
uniquness -> context;
uniquness -> temporal;
r -> scoping;
scoping -> explicit;
scoping -> implicit;
r -> Management;
Management -> LifeCycle;
Management -> SchemaMembership;
Management -> srvprov;
srvprov -> upfront;
srvprov -> adhoc;
r -> Quality;
Quality -> timever;
Quality -> procver;
Quality -> oi;
Quality -> qa;
qa -> Level;
qa -> polref;
qa -> Liability;

}