InstQL: A Query Language for Virtual Institutions Using Answer Set Programming. - Luke Hopton; Owen Cliffe; Marina De Vos; Julian A. Padget (CLIMA, 2009)

AQL: A Query Language for Action Domains Modelled Using Answer Set Programming. - Luke Hopton; Owen Cliffe; Marina De Vos; Julian A. Padget (LPNMR, 2009)