@book{TUW-235023, author = {Gartner, Georg and Huang, Haosheng}, title = {Special issue on 11th International Symposium on Location-Based Services}, publisher = {Taylor {\&} Francis}, year = {2014}, series = {Journal on Location-Based Services}, editor = {Raper, Jonathan and Gartner, Georg and Raubal, Martin and van de Weghe, Nico}, issn = {1748-9733} }