tri-ict e-learning tool on web 2.0
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The evolution of the Web, from Web 1.0 to Web 2.0 and Semamntic Web.TRANSCRIPT
The Evolution of the WEB
Carlo TASSO – Univ. of Udine
From Web 1.0 to Web 2.0 and Web 3.0
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THE COMPLEXITY OF THE WEB
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AN EVOLVING COMPLEXITY…
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© C.Tasso - 2008
COMPLEXITY PERCEIVED IN 2007
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COMPLEXITYPERCEIVEDIN 2010
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THE EVOLUTION OF THE WEB• 1990 – 2000 Web 1.0• 2000 – 2010 Web 2.0• 2008 – …. Web 3.0• …
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Various stages of evolution
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WEB 1.0?• It is the Web of ‘informative’ sites,
featuring an unidirectionl communication flow, from the manager (owner) of the site to the user
• The control on the contents is 100% in the hands of its owner
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WHAT IS WEB 2.0?
• This term refers to a stage of evolutions, characterized by new ingredientes , new approaches, and new balances
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Main characteristics of Web 2.0 sites
• User Generated Content(UGC), tools for easy publication of new contents by the users, and content sharing
• Active participation, cooperation, bidirectional communication
• Open and easy access
• Social network, communities, peering
• Tagging and Folksonimy
• Mass collaboration
• Content Remixing, syndication, mashup, aggregators
• Web as a platform, service oreinted platform• …
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Typical applications, tools, and approaches of Web 2.0
• BLOG• WIKI• feed RSS• TAG CLOUD• AJAX, API, Web Service, XML, …• …• Free Content• New licencing modes (Creative
Commons, … Opensource)• New business models (free, free-to-use-
pay-for-service, revenue sharing, …)
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Some popular WEB 2.0 site
• WikipediA• flickr• MySpace• facebook• YouTube• LinkedIn• SecondLIFE• twitter• Innocentive• BoingBoing• LiveMocha
• eBay• Skype• 43Things• NetVibes• chicagocrime• Del.icio.us• doggdot.us• Slashdot• upcoming• stumbleupon• ciao!
• duespaghi.it• last-fm• current• BeppeGrillo• WeatherBonk• Digg• Technorati• BoardTracker • IceRocket• …
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The user is continuosly changing his role, dynamically switching from a passive role to an active one.
The consumer becomes a producer PROSUMER
Consequences, new opportunities, new challenges
• Information Overload• New, precious knowledge available
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The Web meets Artificial Intelligence
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Some AI techniques
• Understanding concepts, not only matching key words
• Adding context in order to disambiguate
• Personalize the interaction
• Extracting and classifying information
• Recommend contents
• Ranking on the base of the relevance of the content
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What is WEB 3.0?
• Web 3.0 is the most recent evolution of the Web, already taking place
• The tools of Web 3.0, also known as Semantic Web, will be able to automatically understand the meaning of the content of Web pages, and to reason on them.
• A Web 3.0 site is not any more simply ‘an archive of words/video/audio’, and it can be seen as a ‘container of concept, a ‘knowldge base’
• In the Web 3.0 era, we will have tools capable of finding information with a high level of precision, capable of relating concepts, extracting relevant information, producing new knowledge.
• All this is possible through AI techniques
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