Astrid Dickinger Arno Scharl Hermann Stern Albert Weichselbraun Karl Wöber Acquisition and Relevance of Geotagged Information in Tourism. 545-555 2008 ENTER http://dx.doi.org/10.1007/978-3-211-77280-5_48 conf/enter/2008 db/conf/enter/enter2008.html#DickingerSSWW08