COVER -- TITLE PAGE -- COPYRIGHT PAGE -- CONTENTS -- NOTES ON CONTRIBUTORS -- CHAPTER 1: TOWARD A PHILOSOPHY OF THE WEB: FOUNDATIONS AND OPEN PROBLEMS -- Introduction -- 1. URIs: "Artifactualization" of Proper Names -- 2. Denaturalizing Ontology: Philosophical Activity Redux -- 3. Open Problems of the Philosophy of the Web -- 3.1. What Is the Relationship of the Philosophy of the Web to a More General Philosophy? -- 3.2. Does the Web Radically Impact Metaphysics, Ontology, and Epistemology? -- 3.3. Can Human Cognition and Intelligence Genuinely Be Extended by the Web? -- 3.4. Does the Web Alter Our Domain-Specific Practices in a Manner That Demands a New Qualitative Analysis? -- 3.5. The Future of the Philosophy of the Web -- 4. Conclusion -- Afterword -- References -- CHAPTER 2: PHILOSOPHY OF THE WEB: REPRESENTATION, ENACTION, COLLECTIVE INTELLIGENCE -- Introduction -- 1. Is Philosophy Part of Web Science? -- 2. Representations and the Web -- 3. Enactive Search -- 4. Cognitive Extension and Collective Intelligence -- 5. From the Extended Mind to the Web -- 6. The Web as Collective Intelligence -- 7. Conclusion -- References -- CHAPTER 3: THE WEB AS ONTOLOGY: WEB ARCHITECTURE BETWEEN REST, RESOURCES, AND RULES -- 1. Introduction -- 2. A Tale of Two Philosophies: URIs Between Proper Names and REST -- 2.1. The Web Identity Crisis -- 2.2. The Descriptivist Versus Rigidist Controversy -- 2.3. Back to REST -- 2.4. Resources as Shadows Symbolized Through Functions in REST -- 3. From References to Referentialization -- 3.1. Resources as Rules -- 3.2. Referentialization Instead of Reference -- 3.3. The Object as a Rule -- 3.4. Frailty, Thy Name Is Resource -- 4. Conclusion: Toward Ontological Politics -- References -- CHAPTER 4: WHAT IS A DIGITAL OBJECT? -- Technical Objects -- Digital Objects -- Not Yet a Conclusion -- References.

CHAPTER 5: WEB ONTOLOGIES AS RENEWAL OF CLASSICAL PHILOSOPHICAL ONTOLOGY -- 1. Introduction -- 2. Addresses, Reference, and Signification -- 3. Floating Types and Recursive Process of Explicitation -- 4. Conclusion: Points Still to Be Made Explicit -- References -- CHAPTER 6: BEING, SPACE, AND TIME ON THE WEB -- Introduction -- 1. Research Questions and Main Findings -- 2. Existence in Web Space and Time -- 2.1. The Facets of the Web -- 2.2. Being on the Web -- 2.3. Virtualization = Digitality + Linking -- 2.4. Web Space Is the Online Network -- 2.5. Web Time Is Bergsonian -- 3. How the Web Affects Traditional Space, Time, and Being -- 3.1. Space and the Web -- 3.2. Time and the Web -- 3.3. Being and the Web -- 3.4. Discussion -- References -- CHAPTER 7: EVALUATING GOOGLE AS AN EPISTEMIC TOOL -- 1. Knowledge and the Web -- 2. The Epistemic Role of Search Engines -- 3. Dimensions of Epistemic Assessment -- 4. Personalisation and Objectivity -- Acknowledgments -- References -- CHAPTER 8: THE WEB-EXTENDED MIND -- Introduction -- Cognitive Extension and the Extended Mind -- Extending the Mind: Cognitive Extension and the Current Web -- Socio-Technical Evolution and the Making of an Extended Mind -- Extending the Mind: Cognitive Extension and the Future Web -- The Missing Link: Towards the Web of Data -- The Real World Web -- Conclusion -- References -- CHAPTER 9: GIVEN THE WEB, WHAT IS INTELLIGENCE, REALLY? -- 1. The Web Extended and Immediate: True Intelligence? -- 2. Cartesian Skepticism -- 3. The Missing Science of Human+Web Intelligence -- 4. A Desideratum for a Science of H+W: Modeling Knowledge -- 4.1. A First Attempt -- 4.2. A Second Attempt -- 4.3. A Third Attempt -- 5. Some Objections, and Our Responses -- 5.1. Objection 1 -- 5.2. Objection 2 -- 6. Summing Up -- Appendix -- Acknowledgments -- References.

CHAPTER 10: THE WEB AS A TOOL FOR PROVING -- 1. Introduction -- 2. The Web as a Tool for Proving -- 2.1. The Kumo Proof Assistant and the Tatami Project -- 2.2. The Polymath and Tricki Projects -- 3. Original Features of Web-Based Proving Activity -- 3.1. Change of the Communication Medium -- 3.2. Change in Mathematical Practice -- 3.3. Interactivity and Brainstorming -- 3.4. Crowdsourcing and Open-Source/Content Features -- 3.5. Credibility of Web Proofs -- 4. Traditional Concepts of Proof and the Question of Use of New Technologies in Proving -- 5. Web Proving as a Particular Type of Proof-Event -- 5.1. Social Component -- 5.2. Communication Medium -- 5.3. Prover-Interpreter Interaction -- 5.4. Interpretation Process -- 5.5. Understanding and Validation -- 5.6. Historical Component -- 5.7. Styles -- 6. Impact on the Concept of Proof -- Acknowledgments -- References -- CHAPTER 11: VIRTUAL WORLDS AND THEIR CHALLENGE TO PHILOSOPHY: UNDERSTANDING THE "INTRAVIRTUAL" AND THE "EXTRAVIRTUAL" -- Introduction -- Post-Phenomenology and Technology Relations -- Applying Technology Relations to Virtual Worlds -- Extravirtual and Intravirtual Consequences -- Intravirtual Versus Extravirtual Conditions of Satisfaction -- The Consequences for Philosophy -- Conclusion -- References -- CHAPTER 12: INTERVIEW WITH TIM BERNERS-LEE -- References -- CHAPTER 13: AFTERWORD: WEB PHILOSOPHY -- References -- INDEX.