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