Next Web: web 3.0, web semántica y el futuro de internet > SKOS

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    Shared on 4.6.2013 by Pablo Hermoso de Mendoza González

    Este video de algo más de 5 minutos expresa las principales ideas del proyecto web, un proyecto desarrollado por RIAM I+L LAB, pyme tecnológica española que trabaja en el campo de la web semántica.

    The main goal of is to present a case of exploitation of Linked Data for the G.L.A.M. community through innovative end-user applications built on GNOSS, a semantic and social software platform. is a free access semantic online solution for end-users that allows them to find and discover museums-related content, and also reach some related external information thanks to the correlation with other datasets. We currently have collections of seven Spanish museums, where users can browse over 15,000 pieces of art and 2,650 artists. The featured applications are: faceted searches, enriched contexts and navigation through graphs. The search engine enables aggregated searches by different facets and summarization of results for each successive search. obtains the information about cultural goods from the Europeana dataset and the online collections of public Spanish Museums. It also extracts and links data from additional datasets of the Linking Open Data cloud, either to supplement information or to generate enriched contexts: Dbpedia, Geonames and Didactalia (a GNOSS project with an index of more than 50,000 open educational resources).

    Long description:

    GOALS shows a case of exploitation of Linked Data for the G.L.A.M. community through innovative end-user applications built on GNOSS, a semantic and social software platform. In more detail, the project is guided by the following goals:

    • Put data to work: exploit public datasets and information on museums to generate benefits for users and improve the user’s experience thanks to the potential of the semantic web.
    • Link datasets both to enrich content and generate accurate contexts of information building a cultural and educational graph.
    • Connect cultural and educational worlds in a knowledge ecosystem.

    SEMANTIC SOFTWARE SOLUTION: MISMUSEOS.NET is a free access semantic online solution for end-users that allows them to find and discover museums-related content, and also reach some related external information thanks to the correlation with other datasets. structures, organizes and makes available to you, in accordance with the principles promoted by the Linked Data Project, an extensive catalog of artworks that museums publish on the Web. Moreover, it links the catalog with other existing LOD educational knowledge bases allowing the generation of educational contexts related to cultural goods.

    We currently have a collection of seven Spanish museums (a meta-museum), where users can browse over 15,000 pieces of art and 2,650 artists. These are the museums included until now: Museo Bellas Artes de Bilbao, Museo Reina Sofía, Museo del Prado, Museo Sorolla, Museo de la Fundación Lázaro Galdiano, Museo del Greco and Museo de la Biblioteca Nacional (Museum of the National Spanish Library).

    Datasets used: Europeana (CER.ES collection), Dbpedia, Geonames and Didactalia (GNOSS) uses several datasets and sources of information:

    • Europeana dataset, specifically the data from the CER.ES collection (CER.ES is the Digital Network of Collections of Spanish Museums), and the online collections of public Spanish Museums. These two datasets were used in order to obtain the information about cultural goods (pieces of arts and museum information basically).
    • DBPedia, used to supplement the information about the author with and extract information on authors and museums location.
    • Geonames, in order to obtain the geolocation data of artists and museums, once we have obtained the names of the places from the primary source or from Dbpedia. This information will be exploited in the future to locate them in a map view.
    • Didactalia, an index of over 50,000 educational resources on, linked to provide users with related educational content.

    To sum up the process, the primary information has been enriched, cleaned and normalized when necessary, and uploaded to the project online space inside the platform, so that we can consume and exploit the data and present the end-user applications. We have prepared a general navigation through tabs that includes a homepage with content selection, a tab for the collection (pieces of art) and another one for artists. In the near future, we will also include a tab for museums. The previous entities (pieces of art, artists and museums) are represented on the platform with their specific ontologies thanks to the semantic CMS of GNOSS using standard vocabularies if available.

    Technology and main features:

    The solution has been developed on, a social and semantic platform with a deep focus on the generation of social knowledge ecosystems and end-user applications in a Linked Data environment. It includes faceted searches, recommendation systems and adapted contexts in education, university and enterprises. GNOSS could be conceived as a network of networks or a linked networks space oriented to using semantic technologies for data and service integration. Moreover, it has a wide range of configurable social tools, which have been mostly deactivated in the case of

    • Semantic Content Management System (SemCMS): semantic forms engine

    GNOSS expresses user-generated content as structured data with default basic semantic standard vocabularies. This is done automatically when a user shares content on the platform. Besides, GNOSS has an engine for developing specific ontologies to represent knowledge objects, and, as a consequence, specific search engines if necessary. The semCMS allows uploading an OWL file describing the concepts and relations within a particular knowledge domain, and it generates a semantic form with all the classes and properties represented in the OWL file. This is the case of, which has ontologies with particular vocabularies for artworks, artists and museums. So, all the information is available in RDF files.

    • Faceted searches has a powerful faceted search engine that is generated by its semantic graphs (RDF triplets); the search engine exploits that graphs through reasoned or inference-based searches. It provides specific configurable facets for each item type. For instance, in the case of pieces of art, users can search by facets such as collection type (sculpture, drawing, painting, etc.), museum, key words, author, time period, art techniques, etc.

    By selecting a search option, it allows you to filter the results in consecutive searchers, and therefore restrict the results to a manageable number of entries. It offers summarization of the results, so that users can better understand how the results relate to all search facets. The values are recalculated for every set of results in aggregated searches. Also, one can only filter by those options where there results, avoiding incoherent search options.

    • Contexts or related information: enriched content in

    In, we have set several contexts depending on the object or entity that the user is viewing, which offer dynamically generated content:

    1. Contexts for the entity ‘piece of art’: related works by the same artist and artworks within the same particular time period (internal), artist information (internal); related educational resources of Didactalia (external, on

    2. Contexts for the entity ‘artist’: artworks of the artist (internal), contemporary artists (internal), related paper toys and educational resources of Didactalia (external).




    Published on 24.2.2012 by Equipo GNOSS

    Semantic Web related validators

    Esta página pretende recoger

    • cuál es la situación actual con los validadores relacionados con la Web semántica
    • lo que puede ser añadido con una cantidad razonable de trabajo

    Además, presenta una lista de validadores para diferentes estándares incluyendo

    • RDFa
    • RDF
    • OWL
    • (X)HTML
    • Validadores para vocabularios estandar como GoodRelations o SKOS





    Published on 27.1.2010 by Equipo GNOSS

    Semantic Web Standards Wiki

    W3C cuenta con un nuevo sitio Wiki, llamado "Semantic Web Standards Wiki" (SWSWiki). No es su objetivo superponerse a otras comunidades Wiki como o WLED Wiki;sino proporcionar un punto de partida para tener más información sobre las tecnologías de la Web Semántica, en particular sobre los Estándares de la Web Semántica del W3C.

    A new public wiki site has been set up at W3C, nicknamed “Semantic Web Standards Wiki” or SWSWiki. It is not the goal of this wiki to supersede other community wikis like or OWLED Wiki; instead it is to provide a “first stop” for more information on Semantic Web technologies, in particular on Semantic Web Standards published by the W3C. Communities around such standards are also welcome to use the Wiki for their purpose; as an example, and thanks to Antoine Isaac, the SKOS community has already begun creating its own specific pages. Essentially, the role of this Wiki is to be an alternative (and, at some point in the future, maybe a replacement) to the ESW Wiki at W3C, but concentrating on Semantic Web only and using Semantic Media Wiki as an underlying technology.

    In addition to the classic “Web of documents” W3C is helping to build a technology stack to support a “Web of data”, the sort of data you find in databases. The ultimate goal of the Web of data is to enable computers to do more useful work and to develop systems that can support trusted interactions over the network. The term “Semantic Web” refers to W3C’s vision of the Web of linked data. Semantic Web technologies enable people to create data stores on the Web, build vocabularies, and write rules for handling data. Linked data are empowered by technologies such as RDF, SPARQL, OWL, and SKOS.




    Published on 18.1.2010 by Equipo GNOSS

    OWL: Experiences and Directions - OWLED 2009

    Promovido por Clark&Parsia, este Workshop tiene lugar al mismo tiempo que la octava International Semantic Web Conference del año 2009. Se ofrecen enlaces a documentos (papers) relativos a diversos aspectos de la web semántica: owl, skos, pellet, razonadores, APIs, bases de datos, OWLLink, ontologías, etc.

    El Workshop se define como:

    "The W3C OWL Web Ontology Language has been a W3C recommendation since 2004, and specification of its successor OWL 2 is being finalised. OWL plays an important role in an increasing number and range of applications and as experience using the language grows, new ideas for further extending its reach continue to be proposed.

    The OWL: Experiences and Direction (OWLED) workshop series is a forum for practitioners in industry and academia, tool developers, and others interested in OWL to describe real and potential applications, to share experience, and to discuss requirements for language extensions and modifications. The workshop will bring users, implementors and researchers together to measure the state of need against the state of the art, and to set an agenda for research and deployment in order to incorporate OWL-based technologies into new applications.
    This year's 2009 OWLED workshop will be co-located with the Eighth International Semantic Web Conference (ISWC), and the Third International Conference on Web Reasoning and Rule Systems (RR2009). It will be held in Chantilly, VA, USA on October 23 - 24, 2009. The workshop will concentrate on issues related to the development and W3C standardization of OWL 2, and beyond, but other issues related to OWL are also of interest, particularly those related to the task forces set up at OWLED 2007." 




    Published on 18.10.2009 by Ricardo Alonso Maturana

    SKOS + DC + Linked Data = Semantic Tagging? - benjamin nowack's blog

    Interesante artículo del blog de Benjamin Nowack en el que reflexiona sobre la posibilidad de desarrollar etiquetado semántico utilizando SKOS. Técnico pero muy inspirador.





    Shared on 18.10.2009 by Ricardo Alonso Maturana

    Bnode es el blog de Benjamin Nowack, un desarrollador semántico que en sus ratos libres baila Hip-Hop. Interesantes sus trabajos y desarrollos profesionales y su blog. Es el fundador de Semsol, empresa dedicada al desarrollo de aplicaciones prácticas basadas en web semántica orientadas a la pequeña empresa.

    El díce de sí mismo:

    "I am a (Semantic) Web developer, working from Düsseldorf in Germany, where I'm running a tiny Web agency. My focus is on utilizing SemWeb technology such as RDF and SPARQL as productivity boosters for everyday Web development.
    I'm an active RDF community member. My main contribution is ARC, an open-source, easy-to-use RDF toolkit for PHP practitioners.
    When I'm not coding, I'm alleviating my Work-Life imbalance with learning Hip Hop Funk Style Dances.
    I'm usually available for web development work (ideally using the tools I know), talks, or training (please see the experience section below, or have a look at my blog for examples of what I'm doing). Quick ways to contact me are by email (), Twitter, or IRC (my nick is bengee)".




    Shared on 17.10.2009 by Ricardo Alonso Maturana


    Mondeca es una compañía francesa fundada y dirigida por Jean Delahousse que, desde 1999, trabaja en la aplicación de tecnologías y soluciones semánticas. Ha desarrollado un software propio para la gestión de ontologías y taxonomías: la plataforma ITM. La compañía trabaja en integración e interoperabilidad de bases de datos, en la gestión avanzada de contenidos mediante tesauros, taxonomías y ontologías y en el desarrollo de portales basados en las tecnologías de la web semántica.
    Las soluciones de esta empresa están basadas en los estándares de la web semántica (XML, RDF, OWL, SKOS y SPARQL) lo que asegura una completa interoperabilidad y en tecnologías de razonamiento. La empresa tiene experiencia en el desarrollo de soluciones basadas en la web semántica para los sectores de sanidad, defensa, industria, publicidad, e-turismo y Administración.
    Así se definen ellos en su página web: "A leader in semantic web technologies, Mondeca provides a range of solutions for terminology, taxonomy, knowledge base and ontology management based on its ITM software platform. Mondeca Web 3.0 solutions are used by leading companies in the publishing, media, industrial, government, and research sectors for reference data management, semantic annotation of content, and for aggregation of heterogeneous content".