Mobile WiMAX: Toward Broadband Wireless Metropolitan Area Networks (Wireless Networks and Mobile Communications)

434 Pages·2007·13.2 MB·English

by  Yan Zhang

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Bhavani Thuraisingham
New York London
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Auerbach Publications
Taylor & Francis Group
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© 2008 by Taylor & Francis Group, LLC
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Library of Congress Cataloging‑in‑Publication Data
Thuraisingham, Bhavani M.
Building trustworthy semantic webs / Bhavani Thuraisingham.
p. cm.
Includes bibliographical references and index.
ISBN‑13: 978‑0‑8493‑5080‑1 (alk. paper)
ISBN‑10: 0‑8493‑5080‑8 (alk. paper)
1. Semantic Web. 2. Database security. I. Title.
TK5105.88815T59 2008
025.04‑‑dc22 2007027962
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Dedication
In Memory of My Parents
Nitchingam
3 October 1913 – 30 October 1971
and
Gnanam
25 September 1919 – 28 October 1984
Although your time with me was short,
you gave me the strength to be brave and take on challenges.

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Contents
Preface...........................................................................................................xix
Acknowledgments......................................................................................xxvii
The.Author..................................................................................................xxix
Chapter 1 Introduction.............................................................................1
1.1 Trends.................................................................................................1
1.2 Organization of This Chapter .............................................................2
1.3 Research, Products, and Standards .....................................................3
1.4 Trustworthy Information Systems ......................................................4
1.5 Secure Semantic Webs ........................................................................5
1.6 Dependable Semantic Webs ................................................................7
1.7 Applications ........................................................................................7
1.8 Specialized Trustworthy Semantic Webs ............................................8
1.9 Organization of This Book .................................................................9
1.10 Next Steps ........................................................................................11
Part I: SuPPortIng teChnologIeS for
truStworthy SemantIC webS . 15
Chapter 2 trustworthy Systems............................................................17
2.1 Overview ..........................................................................................17
2.2 Secure Systems ..................................................................................17
2.2.1 Overview ...............................................................................17
2.2.2 Access Control and Other Security Concepts ........................18
2.2.3 Types of Secure Systems ........................................................19
2.2.4 Secure Operating Systems .....................................................20
2.2.5 Secure Database Systems .......................................................21
2.2.6 Secure Networks ...................................................................23
2.2.7 Emerging Trends ...................................................................23
2.2.8 Impact of the Web .................................................................24
2.2.9 Steps to Building Secure Systems ..........................................25
ii
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iii  n  Contents
2.3 Dependable Systems .........................................................................26
2.3.1 Overview ...............................................................................26
2.3.2 Trust Management ................................................................27
2.3.3 Digital Rights Management ..................................................28
2.3.4 Privacy ..................................................................................29
2.3.5 Integrity, Data Quality, and High Assurance ........................29
2.4 Web Security ....................................................................................30
2.4.1 Overview ...............................................................................30
2.4.2 Threats to Web Security ........................................................31
2.4.2.1 Overview ...............................................................31
2.4.2.2 General Cyber-Threats ...........................................31
2.4.2.3 Threats to Web Databases .....................................33
2.4.3 Web Security Solutions .........................................................35
2.4.3.1 Overview ...............................................................35
2.4.3.2 Solutions for General Threats ................................36
2.4.3.3 Risk Analysis .........................................................38
2.4.3.4 Biometrics, Forensics, and Other Solutions ...........38
2.4.3.5 Solutions for Threats to Web Databases ................39
2.5 Summary and Directions ..................................................................43
References ..................................................................................................43
Exercises ....................................................................................................45
Chapter 3 Secure Data, Information, and Knowledge
management......................................................................................47
3.1 Overview ..........................................................................................47
3.2 Secure Data Management .................................................................48
3.2.1 Overview ...............................................................................48
3.2.2 Database Management ..........................................................48
3.2.2.1 Data Model ...........................................................48
3.2.2.2 Functions ..............................................................49
3.2.2.3 Data Distribution ..................................................49
3.2.3 Heterogeneous Data Integration............................................50
3.2.4 Data Warehousing and Data Mining ....................................51
3.2.5 Web Data Management ........................................................53
3.2.6 Security Impact .....................................................................54
3.3 Secure Information Management .....................................................55
3.3.1 Overview ...............................................................................55
3.3.2 Information Retrieval ............................................................56
3.3.2.1 Text Retrieval ........................................................56
3.3.2.2 Image Retrieval .....................................................57
3.3.2.3 Video Retrieval ......................................................57
3.3.2.4 Audio Retrieval .....................................................58
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Contents  n  ix
3.3.3 Multimedia Information Management ..................................58
3.3.4 Collaboration and Data Management ...................................59
3.3.5 Digital Libraries ....................................................................61
3.3.5.1 Search Engines ......................................................61
3.3.5.2 Question-Answering Systems ................................63
3.3.6 E-business .............................................................................63
3.3.7 Security Impact ....................................................................64
3.4 Secure Knowledge Management .......................................................65
3.4.1 Knowledge Management .......................................................65
3.4.2 Security Impact .....................................................................67
3.5 Summary and Directions ..................................................................67
References ..................................................................................................68
Exercises ....................................................................................................70
Chapter 4 Semantic web........................................................................71
4.1 Overview ..........................................................................................71
4.2 Layered Architecture .........................................................................72
4.3 XML .................................................................................................74
4.3.1 XML Statement and Elements ..............................................74
4.3.2 XML Attributes ....................................................................74
4.3.3 XML DTDs ..........................................................................75
4.3.4 XML Schemas .......................................................................75
4.3.5 XML Namespaces .................................................................75
4.3.6 XML Federations and Distribution .......................................75
4.3.7 XML-QL, XQuery, XPath, XSLT .........................................76
4.4 RDF .................................................................................................76
4.4.1 RDF Basics ..........................................................................77
4.4.2 RDF Container Model .........................................................77
4.4.3 RDF Specification .................................................................78
4.4.4 RDF Schemas .......................................................................79
4.4.5 RDF Axiomatic Semantics ....................................................79
4.4.6 RDF Inferencing ...................................................................79
4.4.7 RDF Query ..........................................................................80
4.5 Ontologies .......................................................................................80
4.6 Web Rules ........................................................................................82
4.7 A Note on Agents .............................................................................83
4.8 Applications ......................................................................................83
4.9 Motivating Scenario .........................................................................86
4.10 Summary and Directions ..................................................................87
References ..................................................................................................88
Exercises ....................................................................................................88
Conclusion to Part I.................................................................................89
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