@unpublished{TUW-179297, author = {Huang, Haosheng}, title = {Incorporating social navigation into Location Based Services}, year = {2009}, keywords = {Location Based Services, Social Naivagation, Collaborative Filtering, Web 2.0}, note = {talk: 6th International Symposium on Location Based Services {\&} TeleCartography, Nottingham, UK; 2009-09-02 -- 2009-09-04} }