Short Paper 113 An Online Face Recognition System using Multiple Compressed Images over the Internet Hwangjun Song, Sun Jae Chung, Young-Ho Park 126 Xebu: A Binary Format with Schema-based Optimizations for XML Data Jaakko Kangasharju, Sasu Tarkoma, Tancred Lindholm 151 Peer-to-Peer Technology Usage in Web Service Discovery and Matchmaking Brahmananda Sapkota, Laurentiu Vasiliu, Ioan Toma, Dumitru Roman, Christoph Bussler 157 A Collaborative Recommender System Based on User Association Clusters Chein-Shung Hwang, Pei-Jung Tsai 169 Asynchronous Web Services Communication Patterns in Business Protocols Marco Brambilla, Giuseppe Guglielmetti, christina tziviskou 189 Automated Retraining Methods for Document Classification and their Parameter Tuning Stefan Siersdorfer, Gerhard Weikum 194 A Contract-based Approach for Monitoring Collaborative Web services using Commitments in the Event Calculus Moshen Rouached, Olivier Perrin, Claude Godart 213 Reliable Multicast and its Probabilistic Model for Job Submission in Peer-to-Peer Grids Katja Gorunova, Peter Merz 250 Automatic Performance Tuning for J2EE Application Server Systems Yan Zhang, Anna Liu, Wei Qu 254 The information market: its basic concepts and its challenges Bas van Gils, Patrick van Bommel, Erik Proper, Theo van der Weide, Mario van Vliet 261 Towards the Automation of E-Negotiation Processes Based on Web Services - A Modeling Approach Stefanie Rinderle, Morad Benyoucef 280 Identifying Value Mappings for Data Integration: An Unsupervised Approach Jaewoo Kang, Dongwon Lee, Prasenjit Mitra 289 An Ontology for Software Engineering Teaching Modules Heidi Ellis, Gregory Hislop 292 Space-limited ranked query evaluation using adaptive pruning Nicholas Lester, Alistair Moffat, William Webber, Justin Zobel 298 Blog Map of Experiences: Extracting and Geographically Mapping Visitor Experiences from City Blogs Takeshi Kurashima, Taro Tezuka, Katsumi Tanaka 372 Using Non-random Associations for Predicting Latency in WANs Vladimir Zadorozhny, Louiqa Raschid, Avigdor Gal, Qiang Ye, Hyma Murthy 378 Peer-Sensitive ObjectRank - Valuing Contextual Information in Social Networks Raluca Paiu, Wolfgang Nejdl 393 Extracting Data from Nested Data Records in Web Pages Bing Liu, Yanhong Zhai 427 Keyword Indexing in a Federated P2P Environment John Casey 445 Modeling of User Acceptance of Consumer E-Commerce Website Rui Chen 450 Relaxing Result Accuracy for Performance in Publish/Subscribe Systems Jihad BOULOS, Engie Bashir 457 Maintaining versions of dynamic XML documents Laura Irina Rusu, Wenny Rahayu, david Taniar 459 The Cost of Reliability: A Comparison of Reliable and Unreliable Web Service Messaging John Anthony 476 Towards Distributed Orchestrations Luciano Baresi