title = {Games with a Purpose for the Semantic Web.},
author = {Katharina Siorpaes and Martin Hepp}, journal = {IEEE Intelligent Systems}, number = {3}, pages = {50-60}, url = {http://dblp.uni-trier.de/db/journals/expert/expert23.html#SiorpaesH08}, volume = {23}, year = {2008}, description = {dblp}, ee = {http://doi.ieeecomputersociety.org/10.1109/MIS.2008.45}, date = {2008-06-05},
keywords = {dblp }
::