?url_ver=Z39.88-2004&rft_id=10.1140%2Fepjb%2Fe2012-30899-9&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Chen%2C+Duanbing&rft.aulast=Chen&rft.aufirst=Duanbing&rft.issn=1434-6028&rft.issue=2&rft.volume=86&rft.date=2013&rft.title=The+European+Physical+Journal+B+-+Condensed+Matter&rft.atitle=Adaptive+social+recommendation+in+a+multiple+category+landscape&rft.genre=article