Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 斉藤 典明,An Observation Interface for Web Access Log,IPSJ SIG technical reports,,Information Processing Society of Japan (IPSJ),2015-01-19,2015,39,1-6,https://cir.nii.ac.jp/crid/1573105977675728000,