Semantic Web Technologies for Social Translucence and Privacy Mirrors on the Web
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Transcript of Semantic Web Technologies for Social Translucence and Privacy Mirrors on the Web
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Semantic Web Technologies for
Social Translucence and Privacy
Mirrors on the Web
Mathieu d’Aquin and Keerthi Thomas
Knowledge Media Institute, The Open University
@mdaquin / semprivacy.com
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Privacy?
Privacy is not simply an absence of
information about us in the minds of others,
rather it is the control we have over
information about ourselves
-- Charles Fried - 1968
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Privacy?
Privacy is not simply an absence of
information about us in the minds of others,
rather it is the control we have over
information about ourselves
-- Charles Fried - 1968
![Page 4: Semantic Web Technologies for Social Translucence and Privacy Mirrors on the Web](https://reader034.fdocuments.net/reader034/viewer/2022051609/5470f0f0b4af9fa90a8b498c/html5/thumbnails/4.jpg)
Privacy?
Privacy is not simply an absence of
information about us in the minds of others,
rather it is the control we have over
information about ourselves
-- Charles Fried - 1968
System user input output
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Privacy?
Privacy is not simply an absence of
information about us in the minds of others,
rather it is the control we have over
information about ourselves
-- Charles Fried - 1968
System user
input
output
feedback
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Privacy?
Privacy is not simply an absence of
information about us in the minds of others,
rather it is the control we have over
information about ourselves
-- Charles Fried - 1968
Web user
activities
privacy state
feedback
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Or in other words,
Social Translucence
In systems with a social process component,
to achieve coherent behaviours, it is
necessary for the system to make such
behaviours visible and understandable to
the users.
-- Erickson and Kellogg, 2000
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bank
bookmark
tracker
advertiser
analytics
tracker
social network
social
network
search engine
shop
employer
shop
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bank
bookmark
tracker
advertiser
analytics
tracker
social network
social
network
search engine
shop
employer
shop
Web privacy
(translucent)
mirror
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Examples (from mostly non-semantic worlds)
• Track the tracker
– Ghostery
– Collusion
– Spy Watch
• Personal analytics
– Wolfram|Alpha
– Moluti
– Attention Recorder
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Challenges
• Collecting and managing data about the user activities and the extermal world affecting them
• Integrate this information in a coherent, explorable base
• Make sense of this information so that it can be understood (and so acted upon by the user)
?
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Challenges
• Collecting and managing data about the user activities and the extermal world affecting them
• Integrate this information in a coherent, explorable base
• Make sense of this information so that it can be understood (and so acted upon by the user)
That reminds
me of
something…
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Challenges
• Collecting and managing data about the user activities and the extermal world affecting them
• Integrate this information in a coherent, explorable base
• Make sense of this information so that it can be understood (and so acted upon by the user)
Ah, I know:
Semantic
Web
Technologies!
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HTTP
Ontology
Web Site
Information
Location
Information
Online
Activities
Ontology
Parameters
and Website
info.
Personal
Information
Trust Model
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Personal Analytics
d'Aquin, Elahi, Motta.
Semantic technologies to
support the user-centric
analysis of activity data.
SDoW 2011 at ISWC 2011
Thomas and d'Aquin. On
the privacy implications of
releasing consumer
activity data. KMi Tech.
Report kmi-13-02, 2013.
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time agents
interests
d'Aquin, Elahi, Motta. Personal monitoring of web information exchange: Towards web lifelogging. WebSci10.
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Trust in
websites
Sensitivity
of data
d'Aquin, Elahi, Motta. Semantic monitoring of personal web activity to support the management of trust and
privacy. SPOT 2010 at ESWC 2010
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Dealing with complex and sophisticated privacy situations…
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graph API
Basic
linked data
Ontology
Ontological
inference
(types,
relations)
Epistemic
logic theory
of Facebook
Epistemic
inference
(who knows
what)
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Facebook Ontology (extract)
Person Post
Photo
Video
Status
update Comment
Agent
App
subclass
author
likes
includes
subclass
author on
Place
in
{Everyone, Friends_of_Friends, All_Friends, Custom}
scope
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Example epistemic rules
Ka Post(X) :- author(X, a)
Ka Post(X) :- scope(X, All_Friends), author(X, Y), friend(Y, a)
Ka Post(X) :- includes(X,Y), friend(Y, a)
Ka wasIn(P, Y) :- includes(X,Y), in(X,P), Ka Post(X)
Ka wasWith (Y,Z) :- includes(X, Y), include(X,Z), Ka Post(X)
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d'Aquin, Thomas. Modeling and reasoning upon facebook privacy settings. Demo at ISWC 2013
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Message and call for action
Semantic Web Technologies can help
individuals in better interpreting their own
activities in terms of privacy consequences.
Build semantic, web privacy mirrors!
Some simple examples.
Quite many more challenges.
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semprivacy.com / @mdaquin