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    Publicado el 2.6.2016 por Equipo GNOSS

    ¿Qué pasó con la Web Semántica? - What happened to the Semantic Web? - Kingsley Idehen

    Kingsley Idehen, CEO de Openlink Software, creadores de Virtuoso, expone en este post su visión sobre el estado actual de la Web Semántica.

    El provocador título del post es el punto de partida para rebatir la idea de que la web semántica sea una promesa tecnológica incumplida, sino que, más bien, lo que ha sucedido es que su llegada no ha tenido la espectacularidad que algunos esperaban. En palabras de Kingsley Idehen: "In this post, I will demonstrate that as expected [1][2], its arrival was without fanfare, but we are inarguably there."

    El autor proporciona dos ejemplos, relacionados con la experiencia de búsqueda, particularmente en Google.

    En primer lugar, la creación del vocabulario compartido Schema.org, por parte de Google, Microsoft, Yahoo!, Yandex, y otros.

    En segundo, la creación del Knowledge Graph de Google, y su aplicación indirecta en las búsquedas normales, y directa en búsquedas especiales (Custom Search Engine).

    Estos ejemplos demuestran que los objetivos básicos de la Web Semántica ya se han alcanzado:

    • La web está llena de documentos HTML que incluyen datos semánticamente enriquecidos.
    • Estos documentos crean una nueva dimensión Web en la que los enlaces ya no son sólo entre documentos, sino que funcionan como nombres desambiguados para cualquier entidad, permitiendo la construcción de sentencias en lenguaje natural para codificar y decodificar información (datos contextualizados), comprensibles por usuarios y máquinas (bots).

    En palabras del autor: "The fundamental goal of the Semantic Web Project has already been achieved. Like the initial introduction of the Web, there wasn't an official release date — it just happened!"

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    Publicado el 27.12.2012 por Equipo GNOSS

    The Library of Congress officially launched its Bibliographic Framework Initiative in May 2011.  The Initiative aims to re-envision and, in the long run, implement a new bibliographic environment for libraries that makes "the network" central and makes interconnectedness
    commonplace.

     

    The goal of this document is to provide a pattern for modeling both future resources and  bibliographic assets traditionally encoded in MARC 21.

    This document and model were developed under contract from the Library of Congress by a team from Zepheira composed of Eric Miller, Uche Ogbuji, Victoria Mueller and Kathy MacDougall.

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    Publicado el 12.11.2012 por Ricardo Alonso Maturana

    Events/ISWC2012 - GoodRelations Wiki

     

    A Hands-on Introduction to the GoodRelations Ontology, Schema.org, RDFa and Microdata Authoring, Google Rich Snippets for Products, Yahoo, Bing, and Linked Open Commerce

    GoodRelations Event
    Title ISWC 2012 Tutorial: The Web of Data for E-Commerce in Brief
    Instructor Martin Hepp
    Date Nov 12, 2012
    Time Morning (half-day)
    Country USA
    City Boston, MA
    Location The Boston Park Plaza Hotel & Towers, Room 8
    Tags linkeddata, semanticweb, tutorial, rdfa, microdata, goodrelations
    Language English
    Audience researchers and practitioners
    URL http://iswc2012.semanticweb.org/


    Breaking News: Google, Bing, Yahoo, and Yandex integrated the full GoodRelations vocabulary into schema.org! We will cover the technical details and implications for researchers and practitioners in detail!

    Summary

    The GoodRelations ontology (http://purl.org/goodrelations/) is one huge success story of applying Semantic Web technology to business challenges. In this tutorial, we will (1) give a comprehensive overview and hands-on training on the conceptual structures of the GoodRelations ontology including patterns for ownership and demand, (2) present the full tool chain for producing and consuming GoodRelations-related data, (3) explain the long-term vision of linked open commerce, (4) describe the main challenges for future research in the field, and (5) discuss advanced topics, like access control, identity and authentication (e.g. with WebID); micropayment services (like Payswarm), and data management issues from the publisher and consumer perspective.

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    Publicado el 3.9.2012 por Pablo Hermoso de Mendoza González

    The term Linked Data refers to a set of best practices for publishing and connecting structured data on the Web. These best practices have been adopted by an increasing number of data providers over the last three years, leading to the creation of a global data space containing billions of assertions - the Web of Data.

    In this article we present the concept and technical principles of Linked Data, and situate these within the broader context of related technological developments. We describe progress to date in publishing Linked Data on the Web, review applications that have been developed to exploit the Web of Data, and map out a research agenda for the Linked Data community as it moves forward.

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    Publicado el 10.8.2012 por Pablo Hermoso de Mendoza González

    Linked Data on the BBC

    Estrategia de la BBC vinculada a linked data. Ventajas principales de la adopción de este enfoque que permite pensar el conjunto de recursos de la BBC como elementos de un ecosistema donde los contextos y las vinculaciones automáticas generan nuevos usos y aplicaciones.

    Ventajas:

    • In terms of usability, it's about making a site around the things people care and think about.
    • In terms of User Experience, it's more that just linking. It's also about having meaningful predicates and granular, addressable resources, so that those resources can be transcluded or visualised in new ways. For example, we can graph how many times a brand plays an artist...
      Make things ajax by consuming machine feeds of a resource.
    • And making sure that each thing has it’s own resource makes these objects more findable,
      and more sharable.
    • SEO
    •  Findability
    •  Clickability
    • Tweetability

    Following the Linked Data principles, the BBC is publishing a URI for every TV and Radio programme it broadcasts, music artists and more recently animal species and habitats. These pages not only provide useful information in their own right but also allow us to re-contextualise the programme information helping users to discover new content and new patterns. In this seminar we will present the motivation behind these projects and how their design and implementation has allowed us to expose their contents on the Web of Data.

     

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    Publicado el 2.8.2012 por Equipo GNOSS

    Pundit, augment web pages with semantically structured annotations

     

    Pundit is a novel semantic annotation and augmentation tool. It enables users to create structured data while annotating web pages.

    Annotations span from simple comments to semantic links to web of data entities (as Freebase.com and Dbpedia.org), to fine granular cross-references and citations. Pundit can be configured to include custom controlled vocabularies. In other words, annotations can refer to precise entities and concepts as well as express precise relations among entities and contents. 

    Pundit is designed to enable groups of users to share their annotations and collaboratively create structured knowledge.

    Pundit has been developed by Semedia at Universita' Politecnica delle Marche within the SemLib EU project.

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    Publicado el 30.7.2012 por Equipo GNOSS

    Building a Linked Data Graph for Education

    En esta charla Tom Heath, Senior Research Scientist de Talis Education, presentará Talis Aspire application, que permite a los investigadores crear listas de recursos de aprendizaje para un curso, según los requisitos de la nube LOD. A partir de esta aplicación, se generan patrones y recomendaciones. La charla tendrá lugar en Semantic Technology and Business Conference (19-20 septiembre de 2012, Londres):

     "Just as a social and professional graph have emerged through Facebook and LinkedIn, so too is an education graph emerging describing connections between students, teachers and the learning resources they use. The Talis Aspire application allows university lecturers to create lists of learning resources for a particular course, which are then expressed according to the Linked Data paradigm. With the application now in use at one quarter of UK universities, the resulting data provides a rich insight into patterns of resource usage across the education sector. This talk will detail the mechanisms used to unify the various institutional graphs, exploiting the flexibility of the RDF data model and the Linked Data principles, before describing how this unified education graph is being used to provide value back to customers, in the form of analytics and recommendations.

    Key points:


    • Talis Aspire is based on Semantic Web technologies and Linked Data principles.
    • It is widely deployed across the UK Higher Education sector and used daily by large numbers of staff and students.
    • The aggregate view of the resulting data provides unique, cross-sector insights.
    • The techniques used to assemble this graph mirror those used to interlink the Web of Data as a whole.

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    Publicado el 4.4.2012 por Equipo GNOSS

    The Many Names for the Semantic Web

    Artículo que discute los distintos nombre para Web semantic

    • Semantic Web
    • Linked Data Web
    • Web of Data
    • Web 3.0,
    • Enterprise Information Web
    • Giant Global Graph.

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    Compartido el 29.7.2011 por Ricardo Alonso Maturana

    What is the Semantic Web?

    Currently the focus of a W3C working group, the Semantic Web vision was conceived by Tim Berners-Lee, the inventor of the World Wide Web. The World Wide Web changed the way we communicate, the way we do business, the way we seek information and entertainment – the very way most of us live our daily lives. Calling it the next step in Web evolution, Berners-Lee defines the Semantic Web as “a web of data that can be processed directly and indirectly by machines.”

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    Publicado el 11.11.2010 por Equipo GNOSS

    DataLift - an elevator for your data

    Datalift es un proyecto de investigación francés, que se define como "A catalyser for the Web of data".

    Datalift "eleva" datos estructurados, desde formatos diversos (bases de datos relacionales, CSV, XML, ...), a datos semánticos enlazados en la Web de los Datos (Web of Data). 

    Es un proyecto experimental financiado por la agencia INRIA, que tiene como objetivo el desarrollo de una plataforma para publicar y enlazar conjuntos de datos en la Web de los Datos. Se publicarán datos públicos provenientes de los partners del proyecto y otros proveedores de datos, y se propondrá un conjunto de herramientas que faciliten el proceso de publicación de datos.

    Los partners tecnológicos del proyecto son Mondeca Atos Origin Integration.

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