Chapter I - Information Systems Development -- Rule Based Approach for Ensuring Consistency in Different UML Models -- Development of Requirements on the Role Business Analyst -- ERP in Project-Driven Organizations: A Case-Study from IT Industry in Poland -- Chapter II - Information Systems Security -- Specifying Security at the Systems Analysis Level: Operational, Public-Image and Legal Aspects -- Identifying Factors of an Information Security Management System of Local Self-government Bodies -- The Integration of Web-Based Information and the Structured Data in Data Warehousing -- Chapter III - Information Systems Learning -- Matching Process Requirements to Learning Objectives -- Considerations in Introducing a Blended Learning Environment Dedicated to Training Computer Network Administrators.