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  2. Tadahiro Taniguchi, Emre Ugur, Matej Hoffmann, Lorenzo Jamone, Takayuki Nagai, Benjamin Rosman, Toshihiko Matsuka, Naoto Iwahashi, Erhan Oztop, Justus Piater, Florentin Wörgötter, Symbol Emergence in Cognitive Developmental Systems: A Survey, IEEE Transactions on Cognitive and Developmental Systems, 11(4), pp.494-516, 2019. DOI: 10.1109/TCDS.2018.2867772

  3. Kenji Doya, Tadahiro Taniguchi, Toward Evolutionary and Developmental Intelligence, Current Opinion in Behavioral Sciences, 29(), 91-96, 2019. DOI: 10.1016/j.cobeha.2019.04.006

  4. Yukie Nagai, “Predictive learning: its key role in early cognitive development,” Philosophical Transactions of the Royal Society B: Biological Sciences, vol. 374, no. 1771, 2019.

  5. Ugur, Emre, and Justus Piater. "Bottom-up learning of object categories, action effects and logical rules: From continuous manipulative exploration to symbolic planning." 2015 IEEE International Conference on Robotics and Automation (ICRA). 2015.

  6. Tadahiro Taniguchi, Tomoaki Nakamura, Masahiro Suzuki, Ryo Kuniyasu, Kaede Hayashi, Akira Taniguchi, Takato Horii, Takayuki Nagai, Neuro-SERKET: Development of Integrative Cognitive System through the Composition of Deep Probabilistic Generative Models, New Generation Computing, 84, 2019

  7. L. El Hafi, S. Isobe, Y. Tabuchi, Y. Katsumata, H. Nakamura, T. Fukui, T. Matsuo,G.A. Garcia Ricardez, M. Yamamoto, A. Taniguchi, Y. Hagiwara, and T. Taniguchi, System for augmented human-robot interaction through mixed reality and robot training by non-experts in customer service environments, Advanced Robotics, 34(3-4), pp.157-172, 2020. DOI: 10.1080/01691864.2019.1694068

  8. Yoshinobu Hagiwara , Hiroyoshi Kobayashi, Akira Taniguchi and Tadahiro Taniguchi, Symbol Emergence as an Interpersonal Multimodal Categorization, Frontiers in Robotics and AI, 6(134), pp.1-17, 2019. DOI: 10.3389/frobt.2019.00134

  9. Konidaris, George. "On the necessity of abstraction." Current opinion in behavioral sciences 29 (2019): 1-7.

  10. Ugur, Emre, Erhan Oztop, and Erol Sahin. "Goal emulation and planning in perceptual space using learned affordances." Robotics and Autonomous Systems 59.7-8 (2011): 580-595.

  11. Ugur, Emre, and Justus Piater. "Refining discovered symbols with multi-step interaction experience." 2015 IEEE-RAS 15th International Conference on Humanoid Robots (Humanoids). 2015.

  12. Konidaris, George, Leslie Pack Kaelbling, and Tomas Lozano-Perez. "From skills to symbols: Learning symbolic representations for abstract high-level planning." Journal of Artificial Intelligence Research 61 (2018): 215-289.

  13. T. Taniguchi, D. Mochihashi, T. Nagai, S. Uchida, N. Inoue, I. Kobayashi, T. Nakamura, Y. Hagiwara, N. Iwahashi & T. Inamura, Survey on frontiers of language and robotics, Advanced Robotics, 33(15-16), 700-730, 2019. DOI: 10.1080/01691864.2019.1632223