Constitutes the refereed proceedings of the 7th International Conference on Web-Age Information Management, WAIM 2006, held in Hong Kong, June 2006. This book presents papers that are organized in topical sections on indexing, XML query processing, information retrieval, sensor networks and grid computing, peer-to-peer systems, and more.

Indexing.- On-Demand Index for Efficient Structural Joins.- An Efficient Indexing Scheme for Moving Objects’ Trajectories on Road Networks.- Spatial Index Compression for Location-Based Services Based on a MBR Semi-approximation Scheme.- XML Query Processing.- KCAM: Concentrating on Structural Similarity for XML Fragments.- A New Structure for Accelerating XPath Location Steps.- Efficient Evaluation of Multiple Queries on Streamed XML Fragments.- Information Retrieval I.- Automated Extraction of Hit Numbers from Search Result Pages.- Keyword Extraction Using Support Vector Machine.- LSM: Language Sense Model for Information Retrieval.- Information Retrieval II.- Succinct and Informative Cluster Descriptions for Document Repositories.- LRD: Latent Relation Discovery for Vector Space Expansion and Information Retrieval.- Web Image Retrieval Refinement by Visual Contents.- Sensor Networks and Grid Computing.- An Effective Approach for Hiding Sensitive Knowledge in Data Publishing.- Tracking Network-Constrained Moving Objects with Group Updates.- Dynamic Configuring Service on Semantic Grid.- Peer-to-Peer.- Object Placement and Caching Strategies on AN.P2P.- Role-Based Peer-to-Peer Model: Capture Global Pseudonymity for Privacy Protection.- A Reputation Management Scheme Based on Global Trust Model for Peer-to-Peer Virtual Communities.- Web Services.- QoS-Aware Web Services Composition Using Transactional Composition Operator.- Optimizing the Profit of On-Demand Multimedia Service Via a Server-Dependent Queuing System.- Service Matchmaking Based on Semantics and Interface Dependencies.- Web Searching.- Crawling Web Pages with Support for Client-Side Dynamism.- RecipeCrawler: Collecting Recipe Data from WWW Incrementally.- CCWrapper: Adaptive Predefined Schema Guided WebExtraction.- Caching and Moving Objects.- MiniTasking: Improving Cache Performance for Multiple Query Workloads.- Cache Consistency in Mobile XML Databases.- Bulkloading Updates for Moving Objects.- Temporal Database.- Finding the Plateau in an Aggregated Time Series.- Compressing Spatial and Temporal Correlated Data in Wireless Sensor Networks Based on Ring Topology.- Discovery of Temporal Frequent Patterns Using TFP-Tree.- Clustering.- DGCL: An Efficient Density and Grid Based Clustering Algorithm for Large Spatial Database.- Scalable Clustering Using Graphics Processors.- TreeCluster: Clustering Results of Keyword Search over Databases.- Clustering and Classification.- A New Method for Finding Approximate Repetitions in DNA Sequences.- Dynamic Incremental Data Summarization for Hierarchical Clustering.- Classifying E-Mails Via Support Vector Machine.- Data Mining.- A Novel Web Page Categorization Algorithm Based on Block Propagation Using Query-Log Information.- Counting Graph Matches with Adaptive Statistics Collection.- Tight Bounds on the Estimation Distance Using Wavelet.- Data Stream Processing.- Load Shedding for Window Joins over Streams.- Error-Adaptive and Time-Aware Maintenance of Frequency Counts over Data Streams.- Supporting Efficient Distributed Top-k Monitoring.- XML and Semistructured Data.- Designing Quality XML Schemas from E-R Diagrams.- Validating Semistructured Data Using OWL.- Data Distribution and Query Processing.- Dynamic Data Distribution of High Level Architecture Based on Publication and Subscription Tree.- A Framework for Query Reformulation Between Knowledge Base Peers.- An Efficient Indexing Technique for Computing High Dimensional Data Cubes.- Advanced Applications.- A Scientific Workflow Framework Integrated with Object Deputy Modelfor Data Provenance.- On the Development of a Multiple-Compensation Mechanism for Business Transactions.- OS-DRAM: A Delegation Administration Model in a Decentralized Enterprise Environment.