@techreport{VaSt09r, address = {Zurich, Switzerland}, author = {Vancea, Andrei and Stiller, Burkhard}, howpublished = {IFI Technical Report}, month = {sep}, publisher = {University of Zurich}, title = {A Cooperative Semantic Caching Architecture for Answering Selection Queries}, url = {https://www.csg.uzh.ch/publications/coopscreport.pdf}, year = {2009} }