title: lore : a database management system for semistructured data sigmod record. authors: roy goldman , serge abiteboul , jennifer widom , dallan quass , jason mchugh. 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