Blace Ryan - Semantic Web Programming

Semantic Web Programming

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Copyright 2009 by Wiley Publishing, Inc., Indianapolis, Indiana

Published simultaneously in Canada

ISBN: 978-0-470-41801-7

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To my wife, Christi, who for twenty-five years continues to offer support, wisdom, and love while putting up with my innate geekiness.

And to my dad, John, who gave me the gift of curiosity. Thank you!

John Hebeler

To Brenna, Denny, Brody, Mallory, Grace, and Olivia: You had patience in a father whose playtime and energy slipped while I wrote this book, but your love never falteredyou are each a blessing. To Erin, my wife, who had the world at her feet and still chose to be with me. You make this world a better place to be. I am the luckiest.

Matthew Fisher

To my parents, Jorge and Kathleen; to my siblings, Dan, Tom, Anya, and Tonya; and to Erika. Without your love, patience, and support I could never have written this book. Thank you!

Andrew Perez-Lopez

To my beautiful and infinitely patient wife Luci, for allowing me to spend nights and weekends writing this book. And to my kids, Daisy, Mini, Midas, India, and Lily, for providing plenty of mental health breaks.

Ryan Blace

To my wife, Nancy, and my sons, Jason and Noah, for allowing me the time to review chapters.

Mike Dean

About the Authors

John Hebeler is an avid, aging, yet still excited explorer of new technologies for the development of large-scale, distributed systems. In the last five years, he has focused on the Semantic Web and emergent, distributed systems. He has published several papers, has co-written a P2P networking book, and presents at major technical conferences around the world. He is currently pursing his PhD in Information Systems at the University of Maryland. He is a division scientist for BBN technologies.

Matthew Fisher has over fifteen years experience in the fields of software and systems development. He has worked in a wide range of engineering environments, ranging from small technology startups and research and development companies to large Fortune 50 firms. He regularly contributes to the Semantic Report and has been involved with conferences such as OWLED, ISWC, and the Semantic Technology Conference. Matthew is a principal systems engineer at Progeny Systems and holds a BS in Computer Science from Penn State University and a MS in Computer Science from George Mason University.

Andrew Perez-Lopez is a software developer who has worked at BBN Technologies since 2005 on large-scale information integration systems using the Semantic Web technologies discussed in this book. He holds an MS in Computer Science from Virginia Tech and an BA in Cognitive Science from the University of Virginia.

Ryan Blace has been a Semantic Web developer and BBN Technologies employee for five years. He works on multiple large-scale Semantic Webbased knowledge management systems for the government and commercial sectors. Ryan holds a BS in Computer Engineering from the University of Maryland and is pursuing his master's in Computer Science at Virginia Tech. When not spending late nights on his computer hacking away, Ryan spends his time cycling, mountain biking, and instructing at car club track days.

About The Technical Editors

Mike Dean (reviewer/editor) is principal engineer at BBN Technologies, where he has worked since 1984. He started working with Semantic Web in 2000, as a principal investigator in the DARPA Agent Markup Language (DAML) program. He was co-editor of the W3C OWL Reference, a co-author of SWRL, and has developed various Semantic Web tools, data sets, and applications. He currently provides technical direction for a number of Semantic Web projects at BBN. He holds a BS in Computer Engineering from Stanford University.

Mike Smith (technical editor) is a senior engineer at Clark & Parsia LLC, a software development and consulting firm specializing in the development and application of artificial intelligence technologies. Mike is a member of the W3 OWL WG, participates actively in the OWL community, and publishes content at http://clarkparsia.com/weblog/. He is one of the primary developers of Pellet, the open-source OWL reasoner, and frequently contributes to the Protg and OWL API projects. He holds BS and MS degrees in Systems and Information Engineering from the University of Virginia.

Credits

Executive Editor

Robert Elliott

Development Editor

Christopher J. Rivera

Technical Editor

Michael Smith

Production Editor

Melissa Lopez

Copy Editor

Linda Recktenwald

Editorial Manager

Mary Beth Wakefield

Production Manager

Tim Tate

Vice President and Executive Group Publisher

Richard Swadley

Vice President and Executive Publisher