Tsakalakis_et_al_Hum. Cent. Comput. Inf. Sci._8(1)_2018.pdfhttp://purl.tuc.gr/dl/dias/4EF9BEF7-343B-48DB-9EEA-B99A90AB3B7DImproved user similarity computation for finding friends in your locationfree2019-05-23application/pdf1.1 MB