Interoperability of DRM Systems : : Exchanging and Processing XML-Based Rights Expressions.

• Superior document: Forschungsergebnisse der Wirtschaftsuniversitaet Wien Series ; v.14
• Author: Guth, Susanne.
• Place / Publishing House: Frankfurt a.M. : : Peter Lang GmbH, Internationaler Verlag der Wissenschaften,, 2006.; Ã2007.
• Year of Publication: 2006
• Edition: 1st ed.
• Language: English
• Series: Forschungsergebnisse der Wirtschaftsuniversitaet Wien Series
• Physical Description: 1 online resource (266 pages)

Table of Contents

Cover -- Acronyms -- List of Figures -- List of Tables -- 1 Motivation -- 1.1 Introduction -- 1.2 The Impact of Standardised Contracts to Electronic Commerce -- 1.3 Objectives of this Doctoral Thesis -- 1.4 Classification into Research Theory -- 1.5 Structure of this Doctoral Thesis -- 2 Digital Rights Management Systems -- 2.1 Trading Digital Goods -- 2.1.1 Characteristics of Digital Goods -- 2.1.2 Business Models for Digital Goods -- 2.2 Digital Rights Management (DRM) -- 2.2.1 DRM Definition -- 2.2.2 Perspectives of DRM -- 2.3 A Sample Digital Rights Management System and its Functions -- 2.3.1 DRM System Functions -- 2.3.2 A Sample DRM System -- 2.3.3 A Sample DRM Process -- 2.3.4 Commercial DRM Products and DRM System Variants -- 2.4 The Role of Rights Expression Languages in DRM -- 3 Rights Expression Languages (RELs) -- 3.1 Definition of Terms -- 3.2 Requirements of RELs -- 3.3 Characteristics of RELs -- 3.3.1 REL Syntax -- 3.3.2 Rights Data Dictionary (RDD) -- 3.4 Existing Rights Expression Languages and Initiatives -- 3.4.1 Open Digital Rights Language (ODRL) -- 3.4.2 eXtensible rights Markup Language (XrML) -- 3.4.3 MPEG 21 -- 3.4.4 LicenseScript -- 3.5 Current Market Situation and Trends -- 4 Electronic Contracts -- 4.1 Contract Life Cycle -- 4.2 Contract States -- 4.3 Execution of Rights -- 4.3.1 Electronic Contracts, Electronic Tickets, and Licenses -- 4.3.2 Ticket-Driven Rights Execution -- 4.3.3 Hybrid Rights Execution -- 4.4 Contract Objects and Contract Use -- 4.4.1 Core Contract Objects -- 4.4.2 Sample Usage Scenarios for Electronic Contracts -- 4.4.3 Scenario-Specific Contract Objects -- 4.5 Contract Modelling and Creation -- 4.5.1 Required Information for Specific Software Services -- 4.5.2 Modelling Scenario-Specific Contracts -- 4.5.3 Scenario-Specific Contract Composition -- 4.6 The Generic Contract Schema.

4.6.1 Definition of Terms -- 4.6.2 Application-Specific CoSa Example -- 4.6.3 The CoSa API -- 4.6.4 CoSa Serialisation -- 4.7 Enforceability of Electronic Contracts -- 4.8 Contract Management Issues -- 4.9 Related Work -- 5 Design of a Rights Expression Exchange Framework -- 5.1 Exchanging Rights Expressions -- 5.1.1 The Communication Model -- 5.1.2 The Rights Expression Communication Model -- 5.2 The Rights Expression Exchange Framework -- 5.2.1 Technical Design -- 5.2.2 Implementation Check List -- 6 Implementing the Rights Expression Exchange Framework -- 6.1 Software Architecture -- 6.1.1 The XOTcl Language -- 6.1.2 ActiWeb -- 6.1.3 Document Object Model (DOM) Implementation -- 6.1.4 MySQL -- 6.1.5 OpenSSL -- 6.2 The Rights Expression Generator -- 6.2.1 Functional Description -- 6.2.2 Class Hierarchy -- 6.3 The Rights Expression Interpreter -- 6.3.1 Functional Description -- 6.3.2 xoREL Packages and Classes -- 6.3.3 Mapping ODRL Elements to the Contract Schema -- 6.4 The Rights Expression Wrapper and Unwrapper -- 6.4.1 Functional Description -- 6.4.2 Class Hierarchy and API -- 6.5 The Mediator -- 6.6 Implementation Assumptions -- 6.7 Related Work -- 7 Case Study of the Rights Expression Exchange Framework -- 7.1 Access Control with Context Constraints -- 7.2 Access Control Decision Based on Electronic Tickets -- 7.2.1 Application-Specific CoSa -- 7.2.2 Generating DRM-Specific Licenses -- 7.2.3 Wrapping DRM Licenses -- 7.2.4 Unwrapping, Interpreting and Processing DRM Licenses -- 8 Conclusion and Future Work -- 9 Appendix A -- 9.1 ODRL Foundation Model -- 9.2 XML Schema of ODRL Syntax Version 1.1 -- 9.3 XML Schema of ODRL Data Dictionary Version 1.1 -- 10 Appendix B -- 10.1 CoSa Application Programming Interface -- 10.2 Extended CoSa Application Programming Interface -- 10.3 Wrapper / Unwrapper Application Programming Interface -- Bibliography.

Index.