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| Preface | |
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| Acknowledgments | |
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| About the Author | |
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| Introduction | |
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| Objectives | |
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| Intended Audience | |
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| About this Book | |
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| Introduction | |
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| Software | |
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| Intellectual Property | |
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| Source Code Differentiation | |
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| Source Code Correlation | |
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| Object and Source/Object Code Correlation | |
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| Source Code Cross-Correlation | |
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| Detecting Software IP Theft and Infringement | |
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| Miscellaneous Topics | |
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| Past, Present, and Future | |
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| Intellectual Property Crime | |
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| The Extent of IP Theft | |
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| Software | |
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| Objectives | |
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| Intended Audience | |
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| Source Code | |
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| Programming Languages | |
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| Functions, Methods, Procedures, Routines, and Subroutines | |
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| Files | |
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| Programs | |
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| Executing Source Code | |
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| Object Code and Assembly Code | |
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| Object Code | |
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| Assembly Code | |
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| Files | |
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| Programs | |
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| Scripts, Intermediate Code, Macros, and Synthesis Primitives | |
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| Scripts | |
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| Intermediate Code | |
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| Macros | |
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| Synthesis Primitives | |
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| Intellectual Property | |
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| Objectives | |
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| Intended Audience | |
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| Copyrights | |
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| The History of Copyrights | |
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| Copyright Protections | |
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| Software Copyrights | |
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| Allowable and Nonallowable Uses of Copyrighted Code | |
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| Patents | |
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| The History of Patents | |
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| Types of Patents | |
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| Parts of a Patent | |
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| Patenting an Invention | |
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| Special Types of Patent Applications | |
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| Software Patents | |
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| Software Patent Controversy | |
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| Patent Infringement | |
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| NPEs and Trolls | |
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| Trade Secrets | |
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| The History of Trade Secrets | |
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| Uniform Trade Secrets Act (UTSA) | |
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| Economic Espionage Act | |
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| Aspects of a Trade Secret | |
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| Trade Secret Theft | |
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| Patent or Trade Secret? | |
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| Software Forensics | |
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| Forensic Science | |
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| Forensic Engineering | |
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| Digital Forensics | |
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| Software Forensics | |
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| Thoughts on Requirements for Testifying | |
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| Source Code Differentiation | |
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| Objectives | |
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| Intended Audience | |
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| Theory | |
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| Diff | |
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| Differentiation | |
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| Types of Similarity | |
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| Measuring Similar Lines | |
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| Measuring File Similarity | |
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| Measuring Similar Programs | |
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| Implementation | |
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| Creating and Comparing Arrays | |
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| Number of Optimal Match Score Combinations | |
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| Choosing Optimal Match Scores for Calculating File Similarity | |
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| Choosing File Similarity Scores for Reporting Program Similarity | |
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| Applications | |
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| Finding Similar Code | |
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| Measuring Source Code Evolution | |
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| Source Code Correlation | |
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| Objectives | |
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| Intended Audience | |
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| Software Plagiarism Detection | |
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| The History of Plagiarism Detection | |
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| Problems with Previous Algorithms | |
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| Requirements for Good Algorithms | |
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| Source Code Characterization | |
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| Statements | |
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| Comments | |
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| Strings | |
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| Theory | |
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| Practical Definition | |
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| Comparing Different Programming Languages | |
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| Mathematical Definitions | |
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| Source Code Correlation Mathematics | |
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| Source Code Examples | |
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| Unique Elements | |
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| Statement Correlation | |
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| Comment/String Correlation | |
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| Identifier Correlation | |
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| Instruction Sequence Correlation | |
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| Overall Correlation | |
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| Implementation | |
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| Creating Arrays from Source Code | |
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| Statement Correlation | |
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| Comment/String Correlation | |
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| Identifier Correlation | |
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| Instruction Sequence Correlation | |
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| Overall Correlation | |
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| Comparing Programs in Different Programming Languages | |
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| Comparing Sections of Code Other than Files | |
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| Applications | |
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| Functional Correlation | |
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| Identifying Authorship | |
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| Identifying Origin | |
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| Detecting Copyright Infringement (Plagiarism) | |
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| Detecting Trade Secret Theft | |
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| Locating Third-Party Code (Open Source) | |
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| Compiler Optimization | |
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| Refactoring | |
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| Detecting Patent Infringement | |
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| Object and Source/Object Code Correlation | |
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| Objectives | |
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| Intended Audience | |
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| Theory | |
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| Practical Definition | |
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| Extracting Elements | |
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| Comparing Different Programming Languages | |
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| Mathematical Definitions | |
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| Object and Source/Object Code Correlation Mathematics | |
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| Comment/String Correlation | |
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| Identifier Correlation | |
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| Overall Correlation | |
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| False Negatives | |
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| Implementation | |
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| Creating Text Substring Arrays from Object Code | |
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| Creating Arrays from Source Code | |
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| Identifier Correlation | |
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| Comment/String Correlation | |
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| Overall Correlation | |
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| Applications | |
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| Pre-Litigation Detective Work | |
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| Tracking Malware | |
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| Locating Third-Party Code | |
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| Detecting Open Source Code License Violations | |
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| Source Code Cross-Correlation | |
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| Objectives | |
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| Intended Audience | |
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| Theory, Implementation, and Applications | |
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| Comparing Different Programming Languages | |
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| Mathematical Definitions | |
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| Source Code Cross-Correlation Mathematics | |
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| Source Code Examples | |
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| Statement-to-Comment/String Correlation | |
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| Comment/String-to-Statement Correlation | |
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| Overall Correlation | |
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| Implementation and Applications | |
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| Detecting Software IP Theft and Infringement | |
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| Objectives | |
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| Intended Audience | |
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| Detecting Copyright Infringement | |
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| Reasons for Correlation | |
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| Steps to Find Correlation Due to Copying | |
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| Abstraction Filtration Comparison Test | |
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| Copyright Infringement Checklist | |
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| Detecting Patent Infringement | |
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| Interpreting the Claims | |
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| Examining the Software | |
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| Tools | |
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| Determining Patent Validity | |
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| Detecting Trade Secret Theft | |
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| Identifying Trade Secrets | |
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| Tools | |
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| Miscellaneous Topics | |
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| Objectives | |
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| Intended Audience | |
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| Implementing a Software Clean Room | |
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| Background | |
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| The Setup | |
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| The Procedure | |
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| Open Source Software | |
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| Definition | |
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| Free Software | |
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| Open Source Licenses | |
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| Open Source Lawsuits | |
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| The Pervasiveness of Open Source Software | |
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| Digital Millennium Copyright Act | |
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| What Is the DMCA? | |
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| For and Against the DMCA | |
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| Noteworthy Lawsuits | |
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| Conclusion: Past, Present, and Future | |
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| Glossary | |
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| References | |
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| Index | |