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1
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- More of it is here than you think
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2
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- Make the tools smarter
- Make the web site smarter (more structured). This is the Semantic Web
- Lets step into the future and check out
- The Semantic Web
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3
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- …and decided she wanted to do something a little different.
- Last year, her friends Ruti and Zvia made a great party.
Deborah knew she had to come up with something good.
- This is what would happen with the semantic web….
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4
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- Deborah's agent went to her guests’ web sites to see where their
families lived before they came to the USA.
- It then searched the web for traditional Hanukah songs from those cities
and downloaded the music to Deborah's stereo.
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5
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- It then printed out a booklet with the words and translations of all the
songs.
- Deborah approved the bill and her credit card was charged automatically.
- When the guests' came Deborah's stereo started off with a lively song to
set the mood.
- Then it explained the background of the song, where it was sung and
which of the guests parents were from that area.
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6
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- Next, it gathered photos of all the towns and shtetls where each of the
guests families originated.
- Sent them to a copy center to have them made into a mural with the names of the
towns and the guests on the appropriate photo.
- Deborah clicked on the accept button to have the mural paid for and sent
to her house a day before the party.
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7
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- Although Deborah new that her family was from Chekranskik, she was never
able to find any information about it, how it looked, or even where it
actually was.
- Her agent found out that there was another name for the town on the
Diaspora Museum’s site, which allowed it to come back with actual photographs—some of
which included her mother and aunts!
- Deborah’s parents came right over and started to relate many forgotten
stories that were jogged out of memory by the photos.
- Deborah’s daughter Miriam wrote down every word as she was in the middle
of her roots project in school.
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8
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- Next her agent
- Searched the web for traditional Hanukah foods which were served in
those Jewish communities that her guest originated from.
- It then went to all her guests' websites and found out which foods each
person liked.
- It found out if any guests had dietary restrictions such as low salt,
cholesterol, etc.
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9
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- Some of the dietary restrictions couldn't be accessed as the information
was not for public viewing.
- The agent came back and took a digital signature from Deborah's computer
and was then able to access the information.
- One of her friends—Karen, didn't allow access even with the digital
information.
- Luckily, Deborah already knew that she couldn't eat any milk products.
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10
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- After the agent finished analyzing the different food options and
restrictions it searched the web for recipes and printed them out.
- It then sent a pulse to all the food packages in the kitchen and sent a
shopping list to Deborah's supermarket.
- The food was delivered the same day.
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11
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- She sent her web agent out to match themes from History of Chanuka sites
with options offered by party and entertainment sites.
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12
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- Her agent also rented out Judas Matityahu costumes so her guests could
really see what it was like for the Jewish leader of the uprising to
lead the troops on an elephant.
- Next, her web agent downloaded a movie which:
- chronicles all the spiritual and military battles between the Jews and
the Greeks
- explained why the Jewish spiritual leadership had mixed feelings about
the Matityahu family ignoring the Jewish political system’s checks and
balances
- The movie was sent to her guests’ computers before the party to provide
them with background information.
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13
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- Party planning, of course, is just one small application for the
semantic web.
- Today, for example, many researchers must hop on a plane in order to
access important documents.
- The semantic web, by providing a framework for documents will allow many
archives to be economically and easily made accessible on the web.
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14
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- Why can't you do this now?
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15
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- If Deborah was to send her agent out now it would not know how to read
information from a site.
- This is because the semantics are not structured enough to account for
intentions/for a machine or agent to read it.
- One site may say "Hanukah song" and another may say
"Chanukah jingle". One may use one kind of shopping cart and
payment scheme while another one could use different methods.
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16
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- The Semantic Web concept is based on artificial-intelligence research.
Any universal web system has to be very flexible and accommodating since
there is no central authority to enforce rules.
- The price of this kind of all encompassing system is that there will be
unanswerable questions as in today’s web serving up "The page
cannot be displayed" when no page is available.
- Background logic has to be added to web pages to account for intentions:
rules to choose courses of action, and answer questions, etc. allowing
us to access all available material.
- We can do this with the Resource Description Framework (RDF)…
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17
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- The RDF is a language for representing resources on the Internet.
- In the same way that web links can point to other sites, the RDF can
describe data far away on another site.
- This is how Deborah could send out an agent that collected photographs
from different sites—an RDF described the photograph, cost and payment
terms.
- The agent, could recognize the web information since it was described by
an RDF.
- It then aggregated this information into one database. Databases
described by RDF can be read by others.
- This is how Deborah's agent could send the photographs to a copy center
to be printed out in a mural.
- The language structured by the RDF was used to extract data from a web
site and then acted upon by a third party copy center.
- There is one problem however…
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18
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19
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- The first site on the semantic web http://www.mindswap.org/
- More info at:
http://www.cs.rpi.edu/~hendler/
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20
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- When Deborah’s agent came back with the suggestion of using baby
elephants for her party, her first thought was that this would break a
municipal ordinance even though her agent showed that this was checked
out.
- Deborah decided this was too important not to double check so she asked
her agent to show her the web pages that the agent went to in order to
“read” the city’s laws.
- After reading them herself she was satisfied that the city fathers
didn’t foresee any of their constituents riding on elephants in their
backyards.
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21
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- Your mother visits the doctor and he tells her she needs to see a
cardiologist
- A software agent goes out to see which specialists work with her health
clinic
- And what times the specialist is available by checking his semantic web
site
- And what time you are available to take her by checking you calendar
through the internet
- The appointment is set up by the Software agent and it appears on your
calendar with an email message to remind you
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22
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- Mining Chat and Forums to see what movie stars and up and coming and
which are down and out: Trendum.com
- Google using votes from other sites to rate site importance
- Google using other searches to give you more info
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23
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- Trying to guess what you mean
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24
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- FUTURE INTERNET can relate to marketing, trading, project etc.
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25
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- Top 3 results are semantic web – structured information
- Others are extracted from standard web sites and cannot be sorted or
restricted by price
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26
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- Website information is structured and sent directly to Google in a
spreadsheet by merchants
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27
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- http://www.robinsloan.com/epic/
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Notes
