@inproceedings{gartrellGroup10,
 author = {M Gartrell, X. Xing, A. Beach, Q. Lv, and R. Han},
 title = {Enhancing Group Recommendation by Incorporating Social Relationship Interactions},
 booktitle = {Proceedings of the 2010 international ACM conference on Supporting group work
 (Group 2010)},
 year = {2010}
 }