Hyunwoo Kim Kangpyo Lee Hyopil Shin Hyoung-Joo Kim Tag Suggestion Method Based on Association Pattern and Bigram Approach. 63-68 2009 SNPD http://doi.ieeecomputersociety.org/10.1109/SNPD.2009.72 conf/snpd/2009 db/conf/snpd/snpd2009.html#KimLSK09