Web 20 E Oltre 1202297800291589 3
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Web 2.0 e oltre: presente e futuro della rivoluzione di Internet Marco Ronchetti Università di Trento
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Transcript of Web 20 E Oltre 1202297800291589 3
Web 2.0 e oltre:presente e futuro dellarivoluzione di Internet
Marco RonchettiUniversità di Trento
The machine is us(ing us)
(Video)
http://www.youtube.com/watch?v=6gmP4nk0EOE
Hypertext can link
Link
Memex
VannevarBush
Link
MemexIpertesti
Link
MemexIpertesti
+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 possonoessere 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…) 1994Foto (flickr…) 2004Video (youtube…) 2005
What are Blogs?Web + Logs = BlogsWeb Pages
Automated updating Reverse chronological postings May accommodate responses
Internet-specific phenomenonIncomplete index of blogs
http://blogdex.media.mit.edu/
I Blog cambiano il mondo
Puoi avere impatto!
Pubblica videohttp://it.youtube.com/
http://www.videomarta.com/
Mescola
http://pipes.yahoo.com/pipes/
http://www.weatherbonk.com/
Condividi
Condividi (Sharing Presentations)
And even more sites!
“free Web-based alternative to PowerPoint.Create & edit Flash presentations online.Send presentations via e-mail or publish onyour Web site or blog”
Synch uploaded video withyour PowerPoint
Condividi (Sharing Documents)
24/7 anytime, anywhereaccess to projects orassignments – extendsschool day
24Source: http://workgroups.cwrl.utexas.edu/visual/files/TRINITY-COLLEGE-LIBRARY-DUB.jpg
Cataloga
Ricerca “ a forza bruta”Catalogazione mirata
26
Why Library Card Catalogs?
Source: http://content.cdlib.org/ark:/13030/kt1489q7c9/?brand=calisphere
Source: http://w
ww
.library.upenn.edu/exhibits/pennhistory/library/cards/cards.samples.htm
l
Cataloga
TassonomieFolksonomies
www.del.icio.us
Web 2.0
La spinta tecnologica
The machine is using us?
The question of whether Machines CanThink ... is about as relevant as thequestion of whether Submarines CanSwim.
Il turco meccanico
ask ville
The machine is using us
http://images.google.com/imagelabeler/
“human computing”
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 andhypertext could be so intuitive that the machine-readable informationspace gave an accurate representation of the state of people's thoughts,interactions, and work patterns, then machine analysis could become avery powerful management tool, seeing patterns in our work and facilitatingour working together through the typical problems which beset themanagement of large organizations.”
What is the Problem? Consider a typical web page:
Markup consistsof: rendering
information(e.g., font sizeand colour)
Hyper-links torelated content
Semantic contentis accessible tohumans but not(easily) tocomputers…
What information can we see…WWW2002The eleventh international world wide web conferenceSheraton waikiki hotel, Honolulu, hawaii, USA7-11 may 2002, 1 location 5 days learn interactRegistered participants coming fromaustralia, canada, chile denmark, france, germany, ghana, hong kong,,
norway, singapore, switzerland, the united kingdom, the unitedstates, vietnam, zaire
Register nowOn the 7th May Honolulu will provide the backdrop of the eleventh
international world wide web conference. This prestigious event..Speakers confirmedTim berners-leeTim is the well known inventor of the Web, …Ian FosterIan is the pioneer of the Grid, the next generation internet …
What information can a machinesee…
An example RDF Schema
Writer hasWritten Book
FamousWriter
/twain/mark ../ISBN00010475
Schema(RDFS)Data(RDF)
hasWrittentype
subClassOf
domain range
type
Annotation of WWW resources and semantic links
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…
Laurea in Informatica a Trentohttp://www.disi.unitn.it/edu
Did you know?
http://www.youtube.com/watch?v=pMcfrLYDm2U
