Web 2.0 E Oltre

R
Web 2.0 e oltre:
presente e futuro della
rivoluzione di Internet
     Marco Ronchetti
    Università di Trento
The machine is us(ing us)

(Video)




  http://www.youtube.com/watch?v=6gmP4nk0EOE
Hypertext can link
Link

Memex




       Vannevar
       Bush
Link

Memex
Ipertesti
Link

Memex
Ipertesti
    +
Internet
   =
  World Wide
   Web
La Web

Protocollo di comunicazione (HTTP)
La Web

Protocollo di comunicazione (HTTP)
Linguaggio di markup (HTML)




(view source)
Forma e contenuto possono
       essere separati.


XML
mashups   www.google.com/ig
Comunica!


 E-mail (1961 MIT , 1971 ARPANET)
 BBS-Forum (1978)
 Chat (mid 1990s)
 Audio-video conferencing
  Skype (2003)
Collabora!

Wiki (1995)
Wikipedia
Pubblica!

Blog (blogger…) 1994
Foto (flickr…) 2004
Video (youtube…) 2005
What are Blogs?
 Web + Logs = Blogs
 Web Pages
    Automated updating
    Reverse chronological postings
    May accommodate responses
 Internet-specific phenomenon
 Incomplete index of blogs
    http://blogdex.media.mit.edu/
I Blog cambiano il mondo
Puoi avere impatto!
Pubblica video
                   http://it.youtube.com/

                 http://www.videomarta.com/
Mescola




          http://pipes.yahoo.com/pipes/
http://www.weatherbonk.com/
Condividi
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”
Condividi (Sharing Documents)

                        24/7 anytime, anywhere
                        access to projects or
                        assignments – extends
                        school day
24
Source: http://workgroups.cwrl.utexas.edu/visual/files/TRINITY-COLLEGE-LIBRARY-DUB.jpg
Cataloga

Ricerca “ a forza bruta”
Catalogazione mirata
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
Cataloga

Tassonomie
Folksonomies




                www.del.icio.us
Web 2.0
La spinta tecnologica
The machine is using us?


The question of whether Machines Can
 Think ... is about as relevant as the
 question of whether Submarines Can
 Swim.
Il turco meccanico
ask ville
The machine is using us

  “human computing”




   http://images.google.com/imagelabeler/
The machine is using us

La macchina
 siamo noi!
Nuove interfacce utente
Needle - Università di Trento
Dov'e' il mio computer?
                  http://www.eyeos.info/
http://labs.powerset.com/powermouse
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.”
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 accessible to
                                   humans but not
                                   (easily) to
                                   computers…
What information can we see…
WWW2002
The eleventh international world wide web conference
Sheraton waikiki hotel, Honolulu, hawaii, USA
7-11 may 2002, 1 location 5 days learn interact
Registered participants coming from
australia, canada, chile denmark, france, germany, ghana, hong kong,,
   norway, singapore, switzerland, the united kingdom, the united
   states, vietnam, zaire
Register now
On the 7th May Honolulu will provide the backdrop of the eleventh
   international world wide web conference. This prestigious event..
Speakers confirmed
Tim berners-lee
Tim is the well known inventor of the Web, …
Ian Foster
Ian is the pioneer of the Grid, the next generation internet …
What information can a machine
see…
 
    
      
   
   
   
      
    
   
    
      
       
       
      
       
       
     
An example RDF Schema
Annotation of WWW resources and semantic links
             domain                range
  Writer              hasWritten           Book

     subClassOf

  FamousWriter                                type


                                              Schema(RDFS)
                                              Data(RDF)
      type
                  hasWritten
 /twain/mark                          ../ISBN00010475
Ontology - Computer Science




Rudi Studer(98)
Abbiamo bisogno…

… di partecipazione
… di idee nuove
… della capacità di realizzarle
… di immaginare
… di innovare
Abbiamo bisogno…


  … anche di te!
Abbiamo bisogno…
http://www.disi.unitn.it/edu

Laurea in Informatica a Trento
Did you know?




     http://www.youtube.com/watch?v=pMcfrLYDm2U
1 of 49

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Web 2.0 E Oltre

  • 1. Web 2.0 e oltre: presente e futuro della rivoluzione di Internet Marco Ronchetti Università di Trento
  • 2. The machine is us(ing us) (Video) http://www.youtube.com/watch?v=6gmP4nk0EOE
  • 4. Link Memex Vannevar Bush
  • 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)
  • 14. Pubblica! Blog (blogger…) 1994 Foto (flickr…) 2004 Video (youtube…) 2005
  • 15. What are Blogs? Web + Logs = Blogs Web Pages  Automated updating  Reverse chronological postings  May accommodate responses Internet-specific phenomenon Incomplete index of blogs  http://blogdex.media.mit.edu/
  • 16. I Blog cambiano il mondo
  • 18. Pubblica video http://it.youtube.com/ http://www.videomarta.com/
  • 19. Mescola http://pipes.yahoo.com/pipes/
  • 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
  • 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
  • 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.
  • 33. The machine is using us “human computing” http://images.google.com/imagelabeler/
  • 34. The machine is using us La macchina siamo noi!
  • 37. Dov'e' il mio computer? http://www.eyeos.info/
  • 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 accessible to humans but not (easily) to computers…
  • 41. What information can we see… WWW2002 The eleventh international world wide web conference Sheraton waikiki hotel, Honolulu, hawaii, USA 7-11 may 2002, 1 location 5 days learn interact Registered participants coming from australia, canada, chile denmark, france, germany, ghana, hong kong,, norway, singapore, switzerland, the united kingdom, the united states, vietnam, zaire Register now On the 7th May Honolulu will provide the backdrop of the eleventh international world wide web conference. This prestigious event.. Speakers confirmed Tim berners-lee Tim is the well known inventor of the Web, … Ian Foster Ian is the pioneer of the Grid, the next generation internet …
  • 42. What information can a machine see…                                                             
  • 43. An example RDF Schema Annotation of WWW resources and semantic links domain range Writer hasWritten Book subClassOf FamousWriter type Schema(RDFS) Data(RDF) type hasWritten /twain/mark ../ISBN00010475
  • 44. Ontology - Computer Science Rudi Studer(98)
  • 45. Abbiamo bisogno… … di partecipazione … di idee nuove … della capacità di realizzarle … di immaginare … di innovare
  • 46. Abbiamo bisogno… … anche di te!
  • 49. Did you know? http://www.youtube.com/watch?v=pMcfrLYDm2U