This bookconstitutes revised selected papers from the 10th InternationalConference on Web Information Systems and Technologies, WEBIST 2014, held inBarcelona, Spain, April 2014, organized by the Institute for Systems andTechnologies of Information, Control and Communication (INSTICC), andtechnically sponsored by the European Research Center for Information Systems(ERCIS). The purposeof the WEBIST series of conferences is to bring together researches, engineersand practitioners interested in technological advances and businessapplications of web-based information systems. The 21papers presented in this volume were carefully reviewed and selected originally153 paper submissions. They were organized in topical sections names, internettechnology; web interfaces and applications; society, e-business ande-government; web intelligence; and mobile information systems. The book alsocontains two invited talks in full-paper length.