@techreport{weko_186560_1,
   author	 = "Ryohei,Nagaura and Kohei,Hatano and Eiji,Takimoto",
   title	 = "Combinatorial bandit prediction with relaxation-based approximation algorithm",
   year 	 = "2018",
   institution	 = "Kyushu University, Kyushu University／RIKEN AIP, Kyushu University",
   number	 = "4",
   month	 = "mar"
}