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Object identification is a crucial step in most information systems. Nowadays, we have many different ways to identify entities such as surrogates, keys and object identifiers. However, not all of them guarantee the entity identity. Many works have been introduced in the literature for discovering meaningful identifiers (i.e., guaranteeing the entity identity according to the semantics of the universe of discourse), but all of them work at the logical or data level and they share somedoi:10.1007/s10115-011-0418-0 fatcat:nvnjzsgz5bfplgjcsbidr2c5jm