CIKM'05 - DB-9 (Databases): Query Processing 1 Efficient evaluation of parameterized pattern queries Cédric du Mouza Philippe Rigaux Michel Scholl Semantic querying of tree-structured data sources using partially specified tree patterns Dimitri Theodoratos Theodore Dalamagas Antonis Koufopoulos Narain Gehani Selectivity-based partitioning: a divide-and-union paradigm for effective query optimization Neoklis Polyzotis Return to CIKM'05 session listing ©2006 Association for Computing Machinery