Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Mikami Takashi and Aikawa Takeyuki and Kawamata Takenori,Speed-up Technique for Keyword Suggestion in Document Retrieval using Double Array,IPSJ SIG Notes,,Information Processing Society of Japan (IPSJ),2009-03-18,2009,35,61-67,https://cir.nii.ac.jp/crid/1570291227624348416,