Resumen: Citizens can access a variety of computing services to get information, but it is often difficult to know which service will offer the best information. Researchers in the SHERLOCK (System for Heterogeneous mobilE Requests by Leveraging Ontological and Contextual Knowledge) project, from the University of Zaragoza and the Basque Country University, address this by providing mobile users with interesting Location-Based Services (LBSs). Idioma: Inglés Año: 2014 Publicado en: ERCIM News 98 (2014), 24-25 ISSN: 0926-4981 Tipo y forma: Article (Published version) Área (Departamento): Área Lenguajes y Sistemas Inf. (Dpto. Informát.Ingenie.Sistms.)