Creating tag hierarchies for effective navigation in social media.

K. Selçuk Candan Luigi Di Caro Maria Luisa Sapino Creating tag hierarchies for effective navigation in social media. 75-82 2008 SSM http://doi.acm.org/10.1145/1458583.1458597 conf/cikm/2008ssm db/conf/cikm/ssm2008.html#CandanCS08