}else if ( action.equals("get_sources")){
tosend = terminology.getSources();
}else if ( action.equals("get_related_concepts")){
Object [] p = (Object []) parcel.getPayload();
Concept c = (Concept) p[0];
Relation r = (Relation) p[1];
tosend = terminology.getRelatedConcepts(c, r);
}else if ( action.equals("get_related_concept_map")){
Concept c = (Concept) parcel.getPayload();
tosend = terminology.getRelatedConcepts(c);
}else if ( action.equals("get_terminologies")){