000 00300nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a3625915
082 _a005.7405
_bASS
245 0 _aACM Transactions on Database Systems
260 _bAssociation for Computing Machinery
_aNew York
942 _cPRBP
999 _c188608
_d188607