The Evolution and Future of the Web: From Web 1.0 to Web 3.0, Slides of Fundamentals of E-Commerce

Download The Evolution and Future of the Web: From Web 1.0 to Web 3.0 and more Slides Fundamentals of E-Commerce in PDF only on Docsity! www.sti-innsbruck.at Semantic Web: Core technology for the Internet of Services Docsity.com 2 Internet (of data) Internet (of data) Services! Conclusion Docsity.com World Wide Web • Approximately 20 years old • Combines hypertext and the internet • Based on three essential elements: – A global scheme of addresses (URIs) – A protocol (http) – A markup language (HTML) 5Docsity.com World Wide Web 6 More than a 2 billion users more than 100 billion pages WWW URI, HTML, HTTP Docsity.com Success Factors of the Web • Open-endedness: Everyone can act as supplier or client of resources (AAA): Anybody can say Anything about Any topic. • Interoperability: Resources get developed independently of each other which leads to heterogeneity (eventually even contradiction) • Decentralization: No central point of control. Resources may be added or changed at any point in time or removed again • Robustness: Failures regarding resources do not affect the whole web (the web does not break down if there is an issue with resources). Error 404 • Scalability on a world wide scale 7Docsity.com 10 Web 3.0 “The Semantic Web is an extension of the current web in which information is given well-defined meaning, better enabling computers and people to work in cooperation.” T. Berners-Lee, J. Hendler, O. Lassila, “The Semantic Web”, Scientific American, May 2001 Docsity.com • Web 1.0 and 2.0 use computers solely for displaying and transmitting information: – The content itself remains unprocessed – Limited support for accessing, extracting, integrating and processing information • The Semantic Web enables machines to process such information 11 Web 3.0 Docsity.com