E-Commerce Services -- An Approach to Detecting Shill-Biddable Allocations in Combinatorial Auctions -- Explanation Services and Request Refinement in User Friendly Semantic-Enabled B2C E-Marketplaces -- Customer Future Profitability Assessment: A Data-Driven Segmentation Function Approach -- Optimization of Automatic Navigation to Hidden Web Pages by Ranking-Based Browser Preloading -- Business Processes and Services -- Transforming Collaborative Business Process Models into Web Services Choreography Specifications -- Evaluation of IT Portfolio Options by Linking to Business Services -- Process Driven Data Access Component Generation -- Using Naming Tendencies to Syntactically Link Web Service Messages -- Data and Knowledge Engineering -- Maintaining Web Navigation Flows for Wrappers -- Mobile P2P Automatic Content Sharing by Ontology-Based and Contextualized Integrative Negotiation -- Integrating XML Sources into a Data Warehouse -- Remote-Specific XML Query Mobile Agents -- Business Models and Analysis -- A Process History Capture System for Analysis of Data Dependencies in Concurrent Process Execution -- Business Impact Analysis Using Time Correlations -- A Bottom-Up Workflow Mining Approach for Workflow Applications Analysis -- BestChoice: A Decision Support System for Supplier Selection in e-Marketplaces -- Web Services -- Semantic Web Services Enabled B2B Integration -- A Novel Genetic Algorithm for QoS-Aware Web Services Selection -- Analysis of Web Services Composition and Substitution Via CCS -- E-Commerce Systems -- Modified Naïve Bayes Classifier for E-Catalog Classification -- A Sentinel Based Exception Diagnosis in Market Based Multi-Agent Systems -- Dynamical E-Commerce System for Shopping Mall Site Through Mobile Devices -- PROMOD: A Modeling Tool for Product Ontology.

This book constitutes the refereed proceedings of the Second International Workshop on Data Engineering Issues in E-Commerce and Services, DEECS 2006 held in San Francisco, California, USA in June 2006. The 15 revised full papers and 8 revised short papers presented were carefully reviewed and selected from 47 submissions. They address issues such as service engineering, service-oriented architecture, data and knowledge engineering, business models and analysis, system and tool implementation, and applications to service practices. The papers are organized in topical sections on e-commerce services, business processes and services, data and knowledge engineering, business models and analysis, Web services, and e-commerce systems.