ICDE'04 - Research Session 8: Semi-structured Data, XML II PRIX: Indexing and Querying XML using Prufer sequences Praveen Rao Bongki Moon Selectivity Estimation for XML Twigs Neoklis Polyzotis Minos N. Garofalakis Yannis E. Ioannidis A Machine Learning Approach to Rapid Development of XML Mapping Queries Atsuyuki Morishima Hiroyuki Kitagawa Akira Matsumoto Return to ICDE'04 Sessions ©2005 Association for Computing Machinery