Ning Zhang, M. Tamer Ozsu, Ihab F. Ilyas, and Ashraf Aboulnaga C FIX: Feature-based Indexing Techniques for XML Documents Proc. 32nd Int. Conf. on Very Large Data Bases (VLDB'06) 2006 Derek Phillips, Ning Zhang, Ihab F. Ilyas, and M. Tamer Ozsu InterJoin: Exploiting Indexes and Materialized Views in XPath Evaluation Proc. 18th Int. Conf. on Scientific and Statistical Database Management (SSDBM'06) 2006 Ning Zhang, M. Tamer Ozsu, Ashraf Aboulnaga, and Ihab F. Ilyas XSeed: Accurate and Fast Cardinality Estimation for XPath Queries Proc. 22nd Int. Conf. on Data Engineering (ICDE'06) 2006 Huaxin Zhang, Ning Zhang, Kenneth Salem, and Donghui Zhuo Compact Access Control Labeling for Efficient Secure Query Evaluation Data and Knowledge Engineering (DKE) 60(2) 2007 Ning Zhang, M. Tamer Ozsu, Ashraf Aboulnaga, and Ihab F. Ilyas XSeed: Accurate and Fast Cardinality Estimation for XPath Queries University of Waterloo 2005 CS-2005-22 http://db.uwaterloo.ca/~ddbms/publications/xml/TR-CS-2005-22.pdf Ning Zhang, Peter J. Haas, Vanja Josifovski, Guy M. Lohman, and Chun Zhang Statistical Learning Techniques for Costing XML Queries Proc. 31st Int. Conf. on Very Large Data Bases (VLDB'05) 2005 289--300 http://www.vldb2005.org/program/paper/wed/p289-zhang.pdf Huaxin Zhang, Ning Zhang, Kenneth Salem, and Donghui Zhuo Compact Access Control Labeling for Efficient Secure XML Query Evaluation Proc. 2nd Int. Workshop on XML Schema and Data Management (XSDM'05) 2005 Ning Zhang, Shishir Agarawal, and M. Tamer Ozsu BlossomTree: Evaluating XPaths in FLWOR Expressions Proc. 21th Int. Conf. on Data Engineering (ICDE'05), Poster 2005 388--389 http://doi.ieeecomputersociety.org/10.1109/ICDE.2005.27 Ning Zhang, Shishir Agarawal, and M. Tamer Ozsu BlossomTree: Evaluating XPaths in FLWOR Expressions University of Waterloo 2005 CS-2004-58 http://db.uwaterloo.ca/~ddbms/publications/xml/TR-CS-2004-58.pdf Ning Zhang XML Query Processing and Optimization Proc. of ICDE/EDBT Ph.D. Workshop, invited to post conference publication LNCS 3268 2004 http://db.uwaterloo.ca/~nzhang/publications/proposal.pdf Ning Zhang, Varun Kacholia, and M. Tamer Ozsu A Succinct Physical Storage Scheme for Efficient Evaluation of Path Queries in XML Proc. 20th Int. Conf. on Data Engineering (ICDE'04) 2004 54--65 http://db.uwaterloo.ca/~ddbms/publications/xml/icde04_storage_NoK.pdf Edward P. F. Chan and Ning Zhang Finding Shortest Paths in Large Network Systems Proc. of 9th ACM Intl. Symp. on Advances in GIS (ACM-GIS'01) 2001 http://db.uwaterloo.ca/~nzhang/publications/extabs.pdf Ning Zhang and M. Tamer Ozsu Optimizing Correlated Path Expressions in XML Languages University of Waterloo 2002 CS-2002-36 November http://db.uwaterloo.ca/~ddbms/publications/xml/TR-CS-2002-36.pdf Edward P. F. Chan and Ning Zhang Finding Shortest Paths in Large Network Systems University of Waterloo 2001 CS-TR-01-15 http://db.uwaterloo.ca/~nzhang/publications/tr.pdf