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Implementation of the RDF data model in digital collections of Spanish libraries, archives and museums

Implementation of the RDF data model in digital collections of Spanish libraries, archives and museumsHello,

We are very proud to announce the publication in the Revista española de Documentación Científica [Spanish Journal of Scientific Documentation] of our last paper Aplicación del modelo de datos RDF en las colecciones digitales de bibliotecas, archivos y museos de España [Implementation of the RDF data model in digital collections of Spanish libraries, archives and museums].

The article discusses how and to what extent the RDF data model is applied in major Spanish digital collections of heritage materials. With this objective, we analysed fifty-one digital repositories to determine whether they expressed their records in RDF, offered SPARQL query points searchable by external agents, and used references as property values.

Our main conclusion is that the use of RDF is unequal and excessively conditioned by the use of applications that automatically convert records into RDF triples. Actually, few of the collections analysed give SPARQL points for external queries.

Another finding is the very scarce use of linked data that connect data of the Spanish repositories with other datasets. In this sense, our recommendation is that these collections should enrich their data and define aggregation levels for generated RDF data in order to be disseminated, made accessible, and adapted to the semantic web.

Actually, nowadays we are researching ways to semi-automatically enrich data of DSpace repositories with external links to other datasets (VIAF, DBpedia, GeoNames, etc.). We’ll keep you updated.

Meanwhile… Enjoy it!

Andreu Sulé

University of Barcelona

LodView, an RDF graphical viewer


This week we have known the National Library of the Netherlandshas adopted LodViewfor publishing its data as Linked Data.

LodView is an open source Java application that, in conjunction with a SPARQL endpoint, allows you to publish RDFdata according to all defined standards for Linked Open Data. LodView offers different data representations, one of which is a very interesting graphical view managed with the data viewer LodLive.

You can see several samples at For example, if you choose  as a “Esempi”, you can see the representation of “London” resource provided by LodView. If you click on the “view resource on lodlive” (right hand on the top page) you see the same information in a graphical way.

LodView "London"

In fact, the LodView project was elected as one of the five finalists of the 2015 LODLAM Challenge, held in Sydney, Australia, 29-30 June.

Enjoy it!

Andreu Sulé

University of Barcelona