title: structural matching and discovery in document databases. authors: jason tsong-li wang , george jyh-shian chang , dennis shasha , girish patel , kaizhong zhang , liam relihan. venue: sigmod conference. year: 1997
title: structural matching and discovery in document databases. authors: jason tsong-li wang , dennis shasha , george j. s. chang , liam relihan , kaizhong zhang , girish patel. venue: international conference on management of data. year: 1997