Survey on frontiers of language and robotics

[1 ] Department of Information Science and Engineering, Ritsumeikan University, Kusatsu, Japan

[2 ] The Institute of Statistical Mathematics, Tachikawa, Japan

[3 ] SOKENDAI (The Graduate University for Advanced Studies), Tokyo, Japan

[4 ] Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, Japan

[5 ] Faculty of Languages and Cultures, Kyushu University, Fukuoka, Japan

[6 ] Graduate School of Information Sciences, Tohoku University, Sendai, Japan

[7 ] RIKEN Center for Advanced Intelligence Project, Chuo-ku, Japan

[8 ] Advanced Sciences, Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo, Japan

[9 ] Department of Mechanical Engineering and Intelligent Systems, The University of Electro-Communications, Chofu, Japan

[10 ] Department of Information and Communication Engineering, Okayama Prefectural University, Okayama, Japan

[11 ] National Institute of Informatics, Tokyo, Japan