@article{SUN Yuanshuai:8, author = {SUN Yuanshuai, CHEN Yao, LIU Xiangrong, CHEN Ke, LIN Chen}, title = {Recommendation algorithm based on hierarchical item similarity}, publisher = {Journal of Shandong University(Engineering Science)}, year = {2014}, journal = {Journal of Shandong University(Engineering Science)}, volume = {44}, number = {3}, eid = {8}, numpages = {6}, pages = {8}, keywords = {recommendation system; collaborative filtering; TopK; tag; item hierarchy; inverted index}, url = {http://gxbwk.njournal.sdu.edu.cn/EN/abstract/article_1572.shtml}, doi = {10.6040/j.issn.1672-3961.1.2013.073} }