Linking Enterprise Data

Enterprise data is growing at a much faster rate than traditional technologies allow. New enterprise architectures combining existing technologies are desperately needed. This book suggests a way forward by applying new techniques of the World Wide Web to

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David Wood Editor

Linking Enterprise Data

Editor David Wood 3 Round Stones LLC 22408 Fredericksburg Virginia USA [email protected]

ISBN 978-1-4419-7664-2 e-ISBN 978-1-4419-7665-9 DOI 10.1007/978-1-4419-7665-9 Springer New York Dordrecht Heidelberg London © Springer Science+Business Media, LLC 2010 All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher (Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks, and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)

”All problems in computer science can be solved by another layer of indirection, but that will usually create another problem.” David John Wheeler (1927 - 2004)

Preface

Linking Enterprise Data is a new concept, based on an idea more than twenty years old. Tim Berners-Lee’s original proposal for the World Wide Web in March 1989 was based on a system of linked information systems. The early Web was intended to interlink information from various systems to solve organizational problems, such as the high turnover of people and the restriction of information to data silos. The hope was to create a distributed information system that would allow ”a pool of information to develop which could grow and evolve with the organisation and the projects it describes.” The Web has grown into the world’s largest information system. By 2000, Web architecture had been dissected and described by Roy Fielding. Representational State Transfer (REST) was Roy’s answer to why the Web worked so well. In a world plagued by software problems, machine crashes, and network outages, the Web never fails. The Web is robust and resilient to change. The Web survives changing machinery, operating system updates, changes in the way we structure index and find information. No other software system provides the features and functions of World Wide Web. Linked Data techniques have become interesting to organizations of every shape and size. The Linked Open Data (LOD) project began as a community effort of the World Wide Web Consortium’s Semantic Web Education and Outreach Group. The project has begun to turn the document-oriented Web into a database of global proportions. The ability of the modern Web to deal with both documents and data have shaped a general solution for information dissemination and integration. The time for linking enterprise data has come. This book records some of the earliest production applications of linking en