Brian Sletten is a liberal arts-educated software engineer with a focus on using and evangelizing forward-leaning technologies. He has a background as a system architect, a developer, a security consultant, a mentor, a team lead, an author, and a trainer and operates in all of those roles as needed. His experience has spanned the online game, defense, finance, academic, hospitality, retail, and commercial domains. He has worked with a wide variety of technologies such as network matrix switch controls, 3D simulation/visualization, Grid Computing, P2P, and Semantic Web-based systems. He has a B.S. in Computer Science from the College of William and Mary. He is President of Bosatsu Consulting, Inc. and lives in Auburn, CA. He focuses on web architecture, resource-oriented computing, social networking, the Semantic Web, scalable systems, security consulting, and other technologies of the late 20th and early 21st centuries.

• List of Figures.- Informational Patterns.- Applicative Patterns.- Procedural Patterns.