Author Index - Q Authors are sorted by last name below: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Gang Qian The ND-Tree: A Dynamic Indexing Technique for Multidimensional Non-ordered Discrete Data Spaces Weining Qian Dynamically maintaining frequent items over a data stream M-Kernel Merging: Towards Density Estimation over Data Streams Xufei Qian A Practical Approach for Microscopy Imaging Data Management (MIDM) in Neuroscience Lin Qiao Supporting Sliding Window Queries for Continuous Data Streams Jialun Qin CMedPort: A Cross-Regional Chinese Medical Portal NanoPort: An Example for Building Knowledge Portals for Scientific Domains Jing Qin Propagating XML Constraints to Relations Lesley Quach User assisted text classification and knowledge management Wilko Quak Construction of the planar partition postal code map based on cadastral registration Regina Jing Ying Quek Model Stability: A key factor in determining whether an algorithm produces an optimal model from a matching distribution Chen Qun D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data ©2004 Association for Computing Machinery