7. What is the difference between Internet and the Web? The Web is the HIGHER level of the net The Web is implemented via application layer protocol: HTTP The content representation language is HTML HYPERLINK is the most important building block of the Web”:<a href=”http://purl.org/net/sopek”>My Blog</a> The addressing system, DNS is of key importance to the Web— it alone provides URL/URI addresses (locators & identifiers) Servers and browser are created using very sophisticated software According to its creators intentions, Web is completely distributed and decentralized 3
8. The creator of the Web Sir TimBerners Lee Warsaw Lecture – X, 2010: http://url.eu/tbl 4
9. History of the Web Proceedingtechnologies: VannevarBush’s: MEMEX (As We May Think — 1945) GML/SGML – 1960 — 1986 Project Xanadu — 1960-1981 Internet —TCP/IP Network (1973-1974) Enquire — TimBerners-Lee 1980 (CERN) The birth of Web: TimBerners-Lee: „Information Management: A Proposal” March 1989, CERN The first Web Server — HTTPD: http://info.cern.ch – December 1990 The Web was borninacademic environment 5
10. The birth of Web: Tim Berners-Lee: „Information Management: A Proposal” March 1989, CERN The Web was borninacademic environment 6
11. History of the Web August 6, 1990: The Debiut of the first public WWW server („The WorldWideWeb (WWW) projectaims to allowlinks to be made to anyinformationanywhere”) – announced on alt.hypertext.newsgroup April 1992 — First Browsers(in UNIX/xWindows systems): graphical: Erwise/ViolaWWW, textbased: Lynx February 1993 —Mosaic (Unix) browser June 1993 — Cello (Windows) browser April 1994 — NetscapeNavigator The Web was borninacademic environment 7
12. History of the Web May 1994 – The first International WWW conference (organised by Roberta Cailliau) w CERN September 1994 — Berners-Leecreates WWW consortium at MIT (USA) 1995-1998 – the first wave of webcommertialization (Amazon.com , ebay – 1995; „The Big Online Holiday Extravaganza” – 1,2 mld $ December 1998) 1996 – Microsoft finally „discovers” Web – the war of browsers (won by MS 1999 and lostinlastyears) 1999 – Napstercreated 1991-2001 — Dotcoms – Stock Market Bubbles The pace of web development isfasterthan of anyother medium 8
13. History of the Web Searchengine & catalogues: Yahoo – 1995 Excite — 1995 Google — 1998 MSN Search — 1998, Live Search — 2006, Bing — 2009 March 2000 — Google startssellingadds 2003 — Google dominatessearchengine market The word„google” becomestheverb. 9
14. History of the Web The birth of Web 2.0: 2004 — the first Web 2.0 conference - „Web as Platform” O’ReillyMedia 2002-2009: The technologicalprogress — AJAX, AdobeFlex, XML, DOM, Web APIs, Mashups etc. Concepts: Search, Links (eco-system), Authoring(wiki, blogs), Tags(tag clouds, folksonomies), Extensions (PDFs, Flash, SilverLight(, Signals (RSS) SocialMedia „Social” humanknowledge – from 2001 – Wikipedia, today~16 mln articles TimBerners Lee talked about R/W Web since the beginning. 10
15. SocialMedia SocialMediais the most importantemanation of Web 2.0 Blogs (Blogger, TypePad, WordPress, LiveJornal etc) 2001 till today Microbloggs — Twitter (2006), Jaiku, Tumblr, Google Buzz - Social Networks — FaceBook (2004), MySpace, LinkedIn, Nasza Klasa Events: Meetup, Upcoming SocialBookmarking: Delicious, Digg, Reddit Multimedia: Flickr, YouTube … TimBerners Lee talked about R/W Web since the beginning. 11
16. Future Web Full of Meaning — Semantic Web — Web 3.0 — the birth 1999 Linked Data Initiative — 2005 Network decentralization ???? http://www.slideshare.net/sjbrinker/web-30-data-marketing?from=ss_embed Do we have crystal ball ? 12
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