@inproceedings{2010-weighted-social-graphs,
 title = {All Friends are not Equal: Using Weights in Social Graphs to Improve Search},
 author = {Sudheendra Hangal AND Diana MacLean AND Monica S. Lam AND Jeffrey Heer},
 booktitle = {Workshop on Social Network Mining \& Analysis, ACM KDD},
 year = {2010},
 url = {http://idl.cs.washington.edu/papers/weighted-social-graphs},
}