This book contains the best papers of the 9th International Conference on Enterprise Information Systems (ICEIS 2007), held in the city of Funchal, Madeira (Portugal), organized by the Institute for Systems and Technologies of Information, Control and Communication (INSTICC) and the University of Madeira, in collaboration with ACM/SIGMIS and AAAI.

Invited Papers.- Inter-enterprise System and Application Integration: A Reality Check.- The 4 x 4 Semantic Model: Exploiting Data, Functional, Non-functional and Execution Semantics Across Business Process, Workflow, Partner Services and Middleware Services Tiers.- Challenges in Business Process Analysis.- Information Logistics in Networked Organizations: Selected Concepts and Applications.- Service-Oriented Architecture: One Size Fits Nobody.- Introducing an IT Capability Maturity Framework.- I: Databases and Information Systems Integration.- Incremental Transformation of Business Software.- ERP Implementation Costs: A Preliminary Investigation.- Enhancing Middleware Functionality by Virtualizing Adapters.- On Handling One-to-Many Transformations in Relational Systems.- II: Artificial Intelligence and Decision Support Systems.- Named Entity Recognition in Biomedical Literature: A Comparison of Support Vector Machines and Conditional Random Fields.- Key Elements Extraction in Online Collaborative Environments.- Automatic Knowledge Acquisition and Integration Technique: Application to Large Scale Taxonomy Extraction and Document Annotation.- Solving Airline Operations Problems Using Specialized Agents in a Distributed Multi-Agent System.- III: Information Systems Analysis and Specification.- Case Handling Systems as Product Based Workflow Design Support.- Performing Business Process Redesign with Best Practices: An Evolutionary Approach.- Flexible Information Systems Development: Designing an Appropriate Methodology for Different Situations.- From User Context States to Context-Aware Applications.- A Balanced Approach to Developing the Enterprise Architecture Practice.- A Business Process Modeling and Simulation Method Using DEMO.- Shaping Mobile Applications for the Future.- Linking Requirements to EIS Specifications Using Correspondence Rules.- A Property-Driven Approach to Formal Verification of Process Models.- IV: Software Agents and Internet Computing.- Bid Formation in a Combinatorial Auction for Logistics Services.- A Fuzzy Logic Based Approach to Improve Cataloguing and Searching in e-Commerce Portals.- Summarizing Structured Documents through a Fractal Technique.- A Service Oriented Collaborative Distributed Learning Object Management System.- V: Human-Computer Interaction.- A We–Centric Telecom Service for Police Officers to Support Communication.- Recognition of Human Voice Utterances from Facial Surface EMG without Using Audio Signals.

This books contains the best papers of the 9th International Conference on Enterprise Information Systems, ICEIS 2007, held in Funchal, Madeira, Portugal, in June 2007. The 6 invited papers are presented together with 23 papers which were carefully reviewed and selected from 72 full papers accepted for presentation at the conference itself (out of 644 submissions). The topics covered are: databases and information systems integration; artificial intelligence and decision support systems; information systems analysis and specification; software agents and internet computing; and human-computer interaction.