@article{DBLP:journals/tods/LiuC12, author = {Ziyang Liu and Yi Chen}, title = {Differentiating search results on structured data}, journal = {ACM Trans. Database Syst.}, volume = {37}, number = {1}, year = {2012}, pages = {4}, ee = {http://doi.acm.org/10.1145/2109196.2109200}, bibsource = {DBLP, http://dblp.uni-trier.de} }