@article {3841, title = {Quegel: A General-Purpose Query-Centric Framework for Querying Big Graphs}, journal = {ArXiv}, volume = {abs/1601.06497}, year = {2016}, url = {http://arxiv.org/abs/1601.06497}, author = {Da Yan and James Cheng and Tamer Ozsu and Fan Yang and Yi Lu and John C. S. Lui and Qizhen Zhang and Wilfred Ng} }