John Paulin Hansen Alexandre Alapetite Henning Boje Andersen Lone Malmborg Jacob Thommesen Location-Based Services and Privacy in Airports. 168-181 2009 INTERACT (1) http://dx.doi.org/10.1007/978-3-642-03655-2_21 conf/interact/2009-1 db/conf/interact/interact2009-1.html#HansenAAMT09