@unpublished{TUW-120104, author = {Gartner, Georg and Radoczky, Verena}, title = {Are maps any useful for LBS - navigation services? About the role of cartographic presentation for wayfinding}, year = {2005}, note = {talk: 1st International Workshop on Geographic Hypermedia, Denver, USA; 2005-04-04 -- 2005-04-05} }