Présentation PowerPoint

M. Lafourcade
octobre 2007 - 1
Problem
Lexical resources acquisition
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Long
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Costly
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Normative
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M. Lafourcade
… often not so relevant
Not dynamic
octobre 2007 - 2
Goals
Lexical resources acquisition
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Lexical Network
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Ideas associations
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Ontological relations
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generic/specific– part-of/whole-of - …
Lexical functions
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M. Lafourcade
cat : animal, dog, tomcat, Félix, mouse, …
Magn(fever) = high fever, …
octobre 2007 - 3
Hypothesis
Lexical resources acquisition
with games
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Free
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Fast
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Rather good quality
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M. Lafourcade
(sometimes people are even willing to pay for playing)
(precision and recall)
octobre 2007 - 4
Resources targeted
Lexical network
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M. Lafourcade
Nodes
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Terms
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word usage (instead of meanings…)
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difficulty, frequency, trust… levels
Relations
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label
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weight
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trust
octobre 2007 - 5
Game play
player 1
player 2
Target word
+ instructions
propositions
M. Lafourcade
=
intersection
Target word
+ instructions
propositions
octobre 2007 - 6
Game play
player 1
player 2
Target word
+ instructions
Target word
+ instructions
=
accordance
propositions
M. Lafourcade
intersection
propositions
octobre 2007 - 7
Game play
Joueur 1
Joueur 2
Mot cible
Mot cible
=
Creation
or
intensification
+ consigne
+ consigne
of the occurrence of the relation in
the database
accordance
propositions
M. Lafourcade
intersection
propositions
octobre 2007 - 8
Game play
player 1
Mot cible
+ consigne
player 2
Mot cible
+ consigne
=
Reward
accordance
propositions
M. Lafourcade
intersection
propositions
octobre 2007 - 9
Game principle
Properties
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Randomized words
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The other player is not know during the game
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Until its completion and the display of the results
Asynchronous play
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Either creation of a new game or completion of a pending game
Points
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+ if the relation has a low weight
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- if the relation has a high weight
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Taboo words
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M. Lafourcade
When for t1--R:w->t2 if we have : w > threshold then t2 is taboo
octobre 2007 - 10
Game principle
Properties
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Randomized words
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The other player is not know during the game
●
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Until its completion and the display of the results
Asynchronous play
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Either creation of a new game or completion of a pending game
Points
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+ if the relation has a low weight
1 being original
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- if the relation has a high weight
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Taboo words
2 guessing the other player
proposals
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M. Lafourcade
Player dilemna
When for t1--R:w->t2 if we have : w > threshold then t2 is taboo
octobre 2007 - 11
Result
Properties
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Randomized words
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The other player is not know during the game
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Until its completion and the display of the results
Asynchronous play
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Either creation of a new game or completion of a pending game
Points
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+ if the relation has a low weight
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- if the relation has a high weight
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Taboo words
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M. Lafourcade
further recall
When for t1--R:w->t2 if we have : w > threshold then t2 is taboo
octobre 2007 - 12
Conclusion
In few months – state of December
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> 400 players – >30000 games created – > 8000 pending games
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> 40000 relation occurrences
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> 500 new terms (total > 151000)
Fast emergence
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Strongest associations first
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Strong recall and good precision (weight)
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Common mistake identification
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M. Lafourcade
Dalila/Dalida – Montgolfière/Mongolfière - …
octobre 2007 - 13
Conclusion
DEMO
http://www.lirmm.fr/jeuxdemots
M. Lafourcade
octobre 2007 - 14