remove alias cc:by-nc-nd (0) -> by-nc-nd (0)
remove alias cc:by-nc-sa (0) -> by-nc-sa (0)
remove implication by-nc-nd (0) -> creative_commons (3992)
remove implication by-nc-sa (0) -> creative_commons (3992)
remove implication by-sa (0) -> creative_commons (3992)
remove implication by-nc (0) -> creative_commons (3992)
remove implication by-nd (0) -> creative_commons (3992)
create implication cc-by-nc-nd (2116) -> creative_commons (3992)
create implication cc-by-nc-sa (420) -> creative_commons (3992)
create implication cc-by-sa (296) -> creative_commons (3992)
create implication cc-by-nc (804) -> creative_commons (3992)
create implication cc-by-nd (3) -> creative_commons (3992)
create implication cc0 (129) -> creative_commons (3992)
create implication cc-by (143) -> creative_commons (3992)