def clear_mine(tgt=None, expr_form='glob'):
    return _clear_cache(tgt, expr_form, clear_mine_flag=True)
Convert a publicid to a urn like urn:publicid:.....
dataset/ETHPy150Open saltstack/salt/salt/runners/cache.py/clear_mine--crossover with--dataset/ETHPy150Open fp7-ofelia/ocf/ofam/src/src/ext/geni/util/urn_util.py/publicid_to_urn