TRI-ICT e-Learning tool on WEB 2.0

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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Thanks!

Prof. Carlo [email protected]