We have described the development of a new micro-payment system, NetPay, f- turing different ways of managing electronic money, or e-coins. a client-side e-wallet allowing customer PC management of the e-coins, and a cookie-based e-wallet cache to improve performance of the client-side e-wallet c- munication overhead.

Keynote Papers.- What Does It Mean to “Measure Performance”?.- Trustworthy Computing.- Towards Next Generation Web Information Retrieval.- Session 1: Web Information System Modelling.- Making XML an Information Modeling Language.- Web Information Exchange Diagrams for UML.- A User Service Oriented Method to Model Web Information Systems.- The Power of Media Types.- Scenario Matching Using Functional Substitutability in Web Services.- Session 2: Payment and Security.- Three Kinds of E-wallets for a NetPay Micro-Payment System.- Information Assurance in Federated Identity Management: Experimentations and Issues.- Query-Log Based Authority Analysis for Web Information Search.- XML Signature Extensibility Using Custom Transforms.- Session 3: Information Extraction.- Extraction of Cognitively-Significant Place Names and Regions from Web-Based Physical Proximity Co-occurrences.- Query Based Chinese Phrase Extraction for Site Search.- Extracting Business Rules from Web Product Descriptions.- Wrapping HTML Tables into XML.- Vague Event-Based Related News Detection.- Session 4: Advanced Applications.- A Web Based Platform for the Design of Administrational Reference Process Models.- Technologies for Online Issuing Service of Documents.- AutoDBT: A Framework for Automatic Testing of Web Database Applications.- Web-Based Surgical Simulation of Craniofacial CT Data.- Applications of Data Mining in Web Services.- Session 5: Performance Issues.- A Framework for the Relational Implementation of Tree Algebra to Retrieve Structured Document Fragments.- An Efficient OLAP Query Processing Technique Using Measure Attribute Indexes.- Preserving Aggregation Semantic Constraints in XML Document Update.- Session 6: Linkage Analysis and Document Clustering.- Exploiting PageRank at DifferentBlock Level.- Multi-type Features Based Web Document Clustering.- Clustering Transactional XML Data with Semantically-Enriched Content and Structural Features.- Session 7: Web Caching and Content Analysis.- Schema-Less, Semantics-Based Change Detection for XML Documents.- Discovering Minimal Infrequent Structures from XML Documents.- Temporal Web Page Summarization.- Web Pre-fetching Using Adaptive Weight Hybrid-Order Markov Model.- Text Categorization Based on Domain Ontology.- Session 8: XML Query Processing.- AC-Tree: An Adaptive Structural Join Index.- Approximate Query Answering for a Heterogeneous XML Document Base.- Optimization of XML Transformations Using Template Specialization.- Materialized View Maintenance for XML Documents.- An Efficient Algorithm for Clustering XML Schemas.- Session 9: Web Search and Personalization.- Google’s “I’m Feeling Lucky”, Truly a Gamble?.- A Knowledge-Based Framework for the Rapid Development of Conversational Recommenders.- Categorizing Web Information on Subject with Statistical Language Modeling.- Optimizing Web Search Using Spreading Activation on the Clickthrough Data.- AVATAR: An Advanced Multi-agent Recommender System of Personalized TV Contents by Semantic Reasoning.- An Online Adaptive Method for Personalization of Search Engines.- Session 10: Workflow Management and Enterprise Information Systems.- Management of Serviceflow in a Flexible Way.- Recovery Nets: Towards Self-Adaptive Workflow Systems.- Structuring the Development of Inter-organizational Systems.- Contemplating Open Source Enterprise Systems.- Managing Changes to Virtual Enterprises on the Semantic Web.- Session 11: Business Processes.- A Reflective Approach to Keeping Business Characteristics in Business-End Service Composition.- A Domain Frameworkfor Representation of Web System Impacts.- Knowledge Management in the Business Process Negotiation.- A Web Service Oriented Integration Approach for Enterprise and Business-to-Business Applications.- Session 12: Deep Web and Dynamic Content.- A Two-Phase Sampling Technique to Improve the Accuracy of Text Similarities in the Categorisation of Hidden Web Databases.- Capturing Web Dynamics by Regular Approximation.- Deep Crawling in the Semantic Web: In Search of Deep Knowledge.- Session 13: Web Information System Design.- Designing Localized Web Sites.- Scaling Dynamic Web Content Provision Using Elapsed-Time-Based Content Degradation.- Component Reconfiguration Tool for Software Product Lines with XML Technology.- Generating Multidimensional Schemata from Relational Aggregation Queries.- Semantics Based Conformance Assessment of ebXML Business Processes.- Session 14: Ontology and Applications.- Usage Scenarios and Goals for Ontology Definition Metamodel.- XML Schema Matching Based on Incremental Ontology Update.- Spam Mail Filtering System Using Semantic Enrichment.- Integrating Ontology Knowledge into a Query Algebra for Multimedia Meta Objects.- Session 15: Multimedia, User Interfaces, and Languages.- Toward Semantic Web Services for Multimedia Adaptation.- A Lightweight Encryption Algorithm for Mobile Online Multimedia Devices.- Aspect-ARM: An Aspect-Oriented Active Rule System for Heterogeneous Multimedia Information.- Opportunistic Search with Semantic Fisheye Views.- A Graphical XQuery Language Using Nested Windows.- Grouping in MetaXQuery.- Session 16: Peer-to-Peer and Grid Systems.- Search in Unstructured Peer-to-Peer Networks.- A Formal Model for the Grid Security Infrastructure.- SPSS: A Case of Semantic Peer-to-Peer Search System.- An Efficient Broadcast Algorithm Based on Connected Dominating Set in Unstructured Peer-to-Peer Network.- A Time-Based Peer Trust Evaluation in P2P E-commerce Environments.- Fault Resilience of Structured P2P Systems.