Although the benefits of RDF for data representation and integration are indisputable, it has not been embraced by everyday programmers and software architects who care about safely creating and accessing well-structured data. Semantic web projects still lack some common tools and methodologies that are available in more conventional settings to describe and validate their data….
Abstract: La gestión de los gobiernos o la comprensión de complejos fenómenos sociales son sólo algunos ejemplos de áreas en las que los datos se están convirtiendo en un recurso clave. Sin embargo, existen desafíos que deben ser abordados con urgencia si se espera hacer un uso eficiente, de calidad y confiable de esa información….
Abstract: A partir de su experiencia en la elaboración e implementación de la agenda anticorrupción en la Comisión Engel, Daniel García (Director Ejecutivo) y Miguel Jorquera (Investigador), expondrán sobre estrategias para que los trabajos sobre investigación académica logren influir en la opinión pública, con el objetivo de convertirse en políticas que contribuyan a mejorarla calidad…
Fecha: Jueves 6 de diciembre a las 10:30am. Lugar: P303 – Auditorio Philippe Flajolet, Beauchef 851 AI and Social Media for Disaster Response and Associated Challenges Abstract: Sudden-onset emergencies such as natural or man-made disasters bring uncertainties in which time-critical information needs emerge from formal response organizations, affected communities and other concerned population. The growing adaption…
Viernes 23/11/2018 Sala Philippe Flajolet, DCC UChile 12.00 horas. Cheminformatics meets the Linked Data and SKOS Abstract: Cheminformatics is evolving from being an area of study associated mainly with drug discovery into a discipline that holds the access, management, store, and sharing of chemical data. In this field, there is a lack of truly interoperable…
Fundación Copec-UC elige a la Inteligencia Artificial como tema de su Seminario Internacional 2018 Será la versión 14º de un evento que convoca a la academia, a la industria y a las instituciones gubernamentales en torno a un tema de vanguardia. Este año, la Inteligencia Artificial contemplada como la cuarta revolución industrial, se abordará desde…
Viernes 16 de noviembre, 11.00 horas Sala 202, Centro de Innovación Campus San Joaquín, Pontificia Universidad Católica Equipo mixto anota más goles Conversatorio sobre el impacto de la interdisciplina en la investigación científica. Participan: Virginia Garretón, fundadora de la Corporación Capital Biodiversidad, Directora Ejecutiva de la Iniciativa Científica Milenio (2015-2018); y Daniela Thumala, académica del…
Abstract: The dynamics of attention in social media tend to obey power laws. Attention concentrates on a relatively small number of popular items neglecting the vast majority of content produced by the crowd. Although popularity can be an indication of the perceived value of an item within its community, previous research has highlighted the gap…
Viernes 9 de Noviembre 2018 Antonio Varas 880, Providencia, UNAB Sesión I – 9:00 – 10:30 hrs. – “Grafos y lenguajes de consulta” 9:00 – 9:30 hrs: Marcelo Arenas (Pontificia Universidad Católica de Chile), «G-CORE: Definiendo un lenguaje de consulta estándar para grafos». 9:30 – 10:00 hrs: Juan Reutter (Pontificia Universidad Católica de Chile), «Grafos y datos…
Abstract: In a groundbreaking series of articles, Craig Gentry proposed in 2009 the first fully homomorphic encryption scheme. In the first variation of the scheme, secret keys are bases of polynomial ideal lattices, which provide algebraic structures that can be exploited by an attacker. In this talk, we introduce the Adaptively Learning the Parallelepiped problem…
ABSTRACT. Information Retrieval and Recommender Systems have been frequently evaluated using indexes based on variants and extensions of precision-like measures. Likewise, approaches for diversity evaluation have been proposed. However, these measures are usually defined in terms of a set of high level content descriptors known as \textit{information nuggets} that are hard to obtain. We propose…
ABSTRACT: Latent Dirichlet Allocation (LDA) is a fundamental method in the text mining field. We propose strategies for topic and model selection based on LDA that exploits the semantic coherence of the topics inferred, boosting the quality of the models found. Then we study how our boosted topic models perform in ad-hoc information retrieval tasks….
Invited by IMFD, Sheila McIlraith will be present at the 2018 Chilean Computer Congress. Sheila McIlraith is a Professor in the Department of Computer Science, University of Toronto. Prior to joining U of T in 2004, McIlraith spent six years as a Research Scientist at Stanford University, and one year at Xerox PARC. McIlraith is…
Promover el ingreso de mujeres a carreras ligadas a la informática, así como visibilizar su quehacer e investigaciones en el área, son algunos de los objetivos del VII Chile WIC “Encuentro Chileno de Mujeres en Computación”, actividad organizada por la Universidad Técnica Federico Santa María -a través de su Departamento de Informática- junto con las…
Abstract: In Latin America, shopping malls seem to offer and open, safe and democratic version of the public space. However, it is often difficult to quantitatively measure whether they indeed foster, hinder or are neutral with respect to social inclusion. In this talk we present that, by using mobile phone network records, we can provide…