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EWG-DSS Thessaloniki-2013 Workshop

Quaestio-it : A social intelligent debating platform
by

Valentinos Evripidou

on 17 June 2013

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Transcript of EWG-DSS Thessaloniki-2013 Workshop

Quaestio-it in a nutshell
Users can start new topics and ask their questions

Users can post their answers to each question

Each answer is open for
debate
for users to comment on

Comments take the form of
arguments
which either
support
or attack the
answer

Users can vote on each answer or on the subsequent arguments

Each answer and comment is
evaluated
and the best answer is identified
Quaestio-it.com
A social intelligent debating platform
Valentinos Evripidou, Francesca Toni
Imperial College London
Evaluating Answers - Background
Demo
Future Work
Natural Language processing for automatic extraction of relations between arguments
(in progress)

More expressive framework (degree of attack/support)

Reputation Algorithms

Manipulation/Security issues
Thank you
Abstract Argumentation Framework (Dung 1995)
Set of Arguments A
Binary Relation of Attacks
Identify winning/admissible arguments
Social Abstract Argumentation Framework (Leite and Martins 2011)
A
B
C
Attack
Attack
Set of Arguments A
Binary Relation of Attacks
Vote Aggregation Function
Identify stronger arguments by combining
attacking relations and voting
A
B
C
Positive Votes: 25
Negative Votes: 2
Positive Votes: 0
Negative Votes: 35
Positive Votes: 2
Negative Votes: 20
Debating Q&A website:
A
social intelligent

Question & Answer
(Q&A) website where users can engage into a debate on the answers .
Evaluating Answers - Our Approach
Extended Social Abstract Argumentation Framework
Set of Arguments A

Binary Relation of
Attacks

Binary Relation of
Supports

Vote Aggregation Function (using statistical models)

Identify stronger arguments by combining attacking/supporting relations and
voting

ve10
@imperial.ac.uk
www.valentinos.me
www.quaestio-it.com
Existing Q&A websites
Computational Logic and Argumentation Group - Department of Computing - Imperial College London
Computational Logic and Argumentation Group - Department of Computing - Imperial College London
f.toni
@imperial.ac.uk
www.doc.ic.ac.uk/~ft
Valentinos Evripidou
Francesca Toni
Full transcript