language evolution and robotics paul vogt universiteit van tilburg nederland
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Language evolution and Language evolution and roboticsrobotics
Paul VogtUniversiteit van Tilburg
Nederland
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50 jaar AI, Brussel, 23 november 2006
The AI-lab contextThe AI-lab context
MSc 1996-1997 (degree Univ. of Groningen) PhD 1997-2000
Cooperators:– Bart de Boer, Tony Belpaeme, Andreas Birk, Edwin
de Jong, Holger Kenn, Peter Stuer, Joris van Looveren, Danny Vereertbrugghen , Thomas Walle
Pioneering robotics and language evolution
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50 jaar AI, Brussel, 23 november 2006
Language evolutionLanguage evolution
Scientific objective: identify and test theories regarding origins
and evolution of language(s).
Engineering objective: build machines that can develop their own
language-like communication system
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50 jaar AI, Brussel, 23 november 2006
SHRDLU (Winograd, 1972) SHRDLU (Winograd, 1972)
Fully pre-programmed NLP, planner, etc.
symbol grounding
problem
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50 jaar AI, Brussel, 23 november 2006
Symbol grounding problemSymbol grounding problem
How do seemingly meaningless symbols become meaningful? (Harnad 1990)
From: Pfeifer & Scheier 1999
Physical symbol system hypothesis: PSS are both sufficient and necessary condition for intelligence (Newel & Simon 1976).
The symbols of a PSS only meaningful to an external observer.
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50 jaar AI, Brussel, 23 november 2006
Language as complex adaptive Language as complex adaptive dynamical systemdynamical system
Cultural interactions Individual learning Self-organisation
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50 jaar AI, Brussel, 23 november 2006
Lexicon grounding on mobile robotsLexicon grounding on mobile robots
Language games: Sensing Categorisation Naming Learning
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50 jaar AI, Brussel, 23 november 2006
Talking Heads experimentTalking Heads experiment(Steels et al.)(Steels et al.)
Interactive: Human interface through
Internet Distributed:
Various sites (Antwerp, Brussels, Paris, London, Tokio, Lausanne, Amsterdam)
Two long periods: May-November 1999 January-August 2000
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50 jaar AI, Brussel, 23 november 2006
Other experimentsOther experiments
Brussels– vowel systems (De Boer)
– colour names (Belpaeme)
– situation concepts (De Jong)
– grammar (De Beule, Wellens)
Elsewhere– Various aspects (Smith; Schulz et al;
Gong et al; Cangelosi)
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50 jaar AI, Brussel, 23 november 2006
Possible applicationsPossible applications
Automatic ontology mapping (Vogt, Wiesman &
Roos, 2001)
Web-based software agents
Human-robot interaction (He et al.)
Multi-robot systems in
– hazardous environments
– new or fast changing environments
Translators
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50 jaar AI, Brussel, 23 november 2006
Towards human-level performanceTowards human-level performance
Huge scale up
Grammar
– Fluid construction grammar
More articulate control
– Humanoid robots
Theory of Mind / joint attention