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      • Department of Computer Engineering
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      Learning adjectives and nouns from affordances on the iCub humanoid robot

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      Author
      Yürüten O.
      Uyanık, Fırat
      Çalişkan, Y.
      Bozcuoǧlu, A.K.
      Şahin, E.
      Kalkan, Sinan
      Date
      2012
      Source Title
      From Animals to Animats 12
      Print ISSN
      0302-9743
      Publisher
      Springer, Berlin, Heidelberg
      Volume
      7426
      Pages
      330 - 340
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      This article studies how a robot can learn nouns and adjectives in language. Towards this end, we extended a framework that enabled robots to learn affordances from its sensorimotor interactions, to learn nouns and adjectives using labeling from humans. Specifically, an iCub humanoid robot interacted with a set of objects (each labeled with a set of adjectives and a noun) and learned to predict the effects (as labeled with a set of verbs) it can generate on them with its behaviors. Different from appearance-based studies that directly link the appearances of objects to nouns and adjectives, we first predict the affordances of an object through a set of Support Vector Machine classifiers which provided a functional view of the object. Then, we learned the mapping between these predicted affordance values and nouns and adjectives. We evaluated and compared a number of different approaches towards the learning of nouns and adjectives on a small set of novel objects. The results show that the proposed method provides better generalization than the appearance-based approaches towards learning adjectives whereas, for nouns, the reverse is the case. We conclude that affordances of objects can be more informative for (a subset of) adjectives describing objects in language. © 2012 Springer-Verlag.
      Keywords
      Affordances
      Appearance based
      Humanoid robot
      Anthropomorphic robots
      Human robot interaction
      Permalink
      http://hdl.handle.net/11693/28167
      Published Version (Please cite this version)
      http://dx.doi.org/10.1007/978-3-642-33093-3_33
      https://doi.org/10.1007/978-3-642-33093-3
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