Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Jun Toyama and Mineichi Kudo and N. Masuyama and Masaru Shimbo,Termination conditions for a fast k-nearest neighbor method,1999 Third International Conference on Knowledge-Based Intelligent Information Engineering Systems. Proceedings (Cat. No.99TH8410),,IEEE,2003-01-22,,,443-446,https://cir.nii.ac.jp/crid/1873679867997536000,https://doi.org/10.1109/kes.1999.820218