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How mobile robots can self-organise a vocabulary

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Book Series: Computational Models of Language Evolution ISBN: 9783946234005 9783946234012 Year: Pages: 270 + xi DOI: 10.26530/OAPEN_603358 Language: English
Publisher: Language Science Press
Subject: Computer Science --- Linguistics
Added to DOAB on : 2016-02-25 11:01:13
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One of the hardest problems in science is the symbol grounding problem, a question that has intrigued philosophers and linguists for more than a century. With the rise of artificial intelligence, the question has become very actual, especially within the field of robotics. The problem is that an agent, be it a robot or a human, perceives the world in analogue signals. Yet humans have the ability to categorise the world in symbols that they, for instance, may use for language. This book presents a series of experiments in which two robots try to solve the symbol grounding problem. The experiments are based on the language game paradigm, and involve real mobile robots that are able to develop a grounded lexicon about the objects that they can detect in their world. Crucially, neither the lexicon nor the ontology of the robots has been preprogrammed, so the experiments demonstrate how a population of embodied language users can develop their own vocabularies from scratch.

Language strategies for the domain of colour

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Book Series: Computational Models of Language Evolution ISBN: 9783946234173 9783944675442 Year: Pages: 220 + xvii DOI: 10.26530/OAPEN_603341 Language: English
Publisher: Language Science Press
Subject: Computer Science --- Linguistics
Added to DOAB on : 2016-02-25 11:01:06
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This book presents a major leap forward in the understanding of colour by showing how richer descriptions of colour samples can be operationalized in agent-based models. Four different language strategies are explored: the basic colour strategy, the graded membership strategy, the category combination strategy and the basic modification strategy. These strategies are firmly rooted in empirical observations in natural languages, with a focus on compositionality at both the syntactic and semantic level. Through a series of in-depth experiments, this book discerns the impact of the environment, language and embodiment on the formation of basic colour systems. Finally, the experiments demonstrate how language users can invent their own language strategies of increasing complexity by combining primitive cognitive operators, and how these strategies can be aligned between language users through linguistic interactions.

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