title: semistructured und structured data in the web : going back and forth sigmod record. authors: paolo merialdo , giansalvatore mecca , paolo atzeni. venue: nan. year: 1997.0
title: a fast index for semistructured data. authors: brian cooper , neal sample , michael j. franklin , gisli r. hjaltason , moshe shadmon. venue: very large data bases. year: 2001.0