title: xcerpt and visxcerpt : from pattern-based to visual querying of xml and semistructured data vldb. authors: sacha berger , christoph wieser , sebastian schaffert , françois bry. venue: nan. year: 2003.0
title: capturing and querying multiple aspects of semistructured data very large data bases. authors: curtis e. dyreson , michael h. b &#246; hlen , christian s. jensen. venue: nan. year: 1999.0