web 2.0 e oltre

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Presentazione preparata per il liceo tecnologico ITIS di Conegliano Veneto

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  • 1. Web 2.0 e oltre: presente e futuro della rivoluzione di Internet Marco Ronchetti Universit di Trento
  • 2. The machine is us(ing us) (Video) http://www.youtube.com/watch?v=6gmP4nk0EOE
  • 3. Hypertext can link
  • 4. Link Memex Vannevar Bush
  • 5. Link Memex Ipertesti
  • 6. Link Memex Ipertesti + Internet = World Wide Web
  • 7. La Web Protocollo di comunicazione (HTTP)
  • 8. La Web Protocollo di comunicazione (HTTP) Linguaggio di markup (HTML) (view source)
  • 9. Forma e contenuto possono essere separati. XML
  • 10. mashups www.google.com/ig
  • 11. Comunica! E-mail (1961 MIT , 1971 ARPANET) BBS-Forum (1978) Chat (mid 1990s) Audio-video conferencing Skype (2003)
  • 12. Collabora! Wiki (1995)
  • 13. Wikipedia
  • 14. Pubblica! Blog (blogger) 1994 Foto (ickr) 2004 Video (youtube) 2005
  • 15. What are Blogs? Web + Logs = Blogs Web Pages Automated updating Reverse chronological postings May accommodate responses Internet-specic phenomenon Incomplete index of blogs http://blogdex.media.mit.edu/
  • 16. I Blog cambiano il mondo
  • 17. Puoi avere impatto!
  • 18. Pubblica video http://it.youtube.com/ http://www.videomarta.com/
  • 19. Mescola http://pipes.yahoo.com/pipes/
  • 20. http://www.weatherbonk.com/
  • 21. Condividi
  • 22. Condividi (Sharing Presentations) Synch uploaded video with your PowerPoint free Web-based alternative to PowerPoint. Create & edit Flash presentations online. Send presentations via e-mail or publish on And even more sites! your Web site or blog
  • 23. Condividi (Sharing Documents) 24/7 anytime, anywhere access to projects or assignments extends school day
  • 24. 24 Source: http://workgroups.cwrl.utexas.edu/visual/files/TRINITY-COLLEGE-LIBRARY-DUB.jpg
  • 25. Cataloga Ricerca a forza bruta Catalogazione mirata
  • 26. Why Library Card Catalogs? Source: http://www.library.upenn.edu/exhibits/pennhistory/library/cards/cards.samples.html 26 Source: http://content.cdlib.org/ark:/13030/kt1489q7c9/?brand=calisphere
  • 27. Cataloga Tassonomie Folksonomies www.del.icio.us
  • 28. Web 2.0
  • 29. La spinta tecnologica
  • 30. The machine is using us? The question of whether Machines Can Think ... is about as relevant as the question of whether Submarines Can Swim.
  • 31. Il turco meccanico
  • 32. ask ville
  • 33. The machine is using us human computing http://images.google.com/imagelabeler/
  • 34. The machine is using us La macchina siamo noi!
  • 35. Nuove interfacce utente
  • 36. Needle - Universit di Trento
  • 37. Dov'e' il mio computer? http://www.eyeos.info/
  • 38. http://labs.powerset.com/powermouse
  • 39. Scientific American, May 2001: ... a goal of the Web was that, if the interaction between person and hypertext could be so intuitive that the machine-readable information space gave an accurate representation of the state of people's thoughts, interactions, and work patterns, then machine analysis could become a very powerful management tool, seeing patterns in our work and facilitating our working together through the typical problems which beset the management of large organizations.
  • 40. What is the Problem? Consider a typical web page: Markup consists of: rendering information (e.g., font size and colour) Hyper-links to related content Semantic content is accessibl