@techreport{weko_198839_1,
   author	 = "伊藤,禎宣 and 是津,耕司",
   title	 = "交通リスクデータ活用型カーナビのハッカソン開催報告",
   year 	 = "2019",
   institution	 = "（国研）情報通信研究機構, （国研）情報通信研究機構",
   number	 = "14",
   month	 = "aug"
}