title: extracting schema from semistructured data serge abiteboul , rajeev motwani , svetlozar nestorov 1998. authors: nan. venue: sigmod conference. year: nan
title: extracting schema from semistructured data svetlozar nestorov , serge abiteboul , rajeev motwani 1998. authors: nan. venue: international conference on management of data. year: nan