LOCATION INTELLIGENCE SERVICES FOR MOBILES USING RUBY ON RAILS AND JQUERYMOBILE Topics: Learning User Profiles; Metadata and Metamodeling; Mobile Media Sharing Systems; Mobile Navigation and Assistance; Ontology and the Semantic Web; User-Centric Systems; Web Programming; Web Services and Web Engineering; Web Site Navigation Support Systems In Proceedings of the 8th International Conference on Web Information Systems and Technologies WEBIST - Volume 1, 763-771, 2012 , Porto, Portugal