Structured abstract PurposeThe paper proposes a tool that generates authority files to be integrated with Linked Data by means of learning rules.AUTHORIS is software developed to enhance authority control and information exchange among bibliographic and non-bibliographic entities. Design/methodology/approachThe article analyzes different methods previously developed for authority control as well as IFLA and ALA standards for managing bibliographic records. Semantic Web technologies are also evaluated.AUTHORIS relies on Drupal and incorporates the protocols of Dublin Core, SIOC, SKOS and FOAF. The tool has also taken into account the obsolescence of MARC and its substitution by FRBR and RDA.Its effectiveness was evaluated applying a learning test proposed by RDA (2011). Over 80% of the actions were carried out correctly. FindingsThe use of learning rules and the facilities of Linked Data make it easier for information organizations to reutilize products for authority control and distribute them in a fair and efficient manner. Research limitations/implicationThe ISAD-G records were the ones presenting most errors. EAD was found to be second in the number of errors produced. The rest of the formats -MARC 21, Dublin Core, FRAD, RDF, OWL, XBRL and FOAF-showed fewer than 20 errors in total. Practical implicationsAUTHORIS offers institutions the means of sharing data with a high level of stability, helping to detect records that are duplicated and contributing to lexical disambiguation and data enrichment. Originality/valueThe software combines the facilities of Linked Data, the potency of the algorithms for converting bibliographic data, and the precision of learning rules.
Purpose Information from Current Research Information Systems (CRIS) is stored in different formats, in platforms that are not compatible, or even in independent networks. It would be helpful to have a well-defined methodology to allow for management data processing from a single site, so as to take advantage of the capacity to link disperse data found in different systems, platforms, sources and/or formats. Based on functionalities and materials of the VLIR project, the purpose of this paper is to present a model that provides for interoperability by means of semantic alignment techniques and metadata crosswalks, and facilitates the fusion of information stored in diverse sources. Design/methodology/approach After reviewing the state of the art regarding the diverse mechanisms for achieving semantic interoperability, the paper analyzes the following: the specific coverage of the data sets (type of data, thematic coverage and geographic coverage); the technical specifications needed to retrieve and analyze a distribution of the data set (format, protocol, etc.); the conditions of re-utilization (copyright and licenses); and the “dimensions” included in the data set as well as the semantics of these dimensions (the syntax and the taxonomies of reference). The semantic interoperability framework here presented implements semantic alignment and metadata crosswalk to convert information from three different systems (ABCD, Moodle and DSpace) to integrate all the databases in a single RDF file. Findings The paper also includes an evaluation based on the comparison – by means of calculations of recall and precision – of the proposed model and identical consultations made on Open Archives Initiative and SQL, in order to estimate its efficiency. The results have been satisfactory enough, due to the fact that the semantic interoperability facilitates the exact retrieval of information. Originality/value The proposed model enhances management of the syntactic and semantic interoperability of the CRIS system designed. In a real setting of use it achieves very positive results.
información, 2000, abril, v. 9, n. 4, pp. 4-13. Original recibido el 17-1-00 Aceptación definitiva:13-3-00Es uno de los principales temas de estudio, investigación y desarrollo en todo el mundo bibliotecario. Está provocando la aparición de un gran número de proyectos apoyados y financiados por agencias gubernamentales, tanto nacionales como internacionales, así como por otras entidades privadas.La Comisión Europea apoya y financia proyectos de este tipo a través de Delos (Digital library working group), un grupo de trabajo sobre bibliotecas digitales que forma parte de Ercim (European research consortium for informatics and mathematics). http://www.ercim.org/activity/index.htmlEn el Reino Unido, Elib (Electronic libraries programme) ayuda y respalda la implantación de dieciséis proyectos de bibliotecas digitales. En Estados Unidos, los seis grandes proyectos recogidos en la DLI-1 (la primera Digital library initiative) apoyados por NSF, Nasa y Darpa, se encuentran ya en su fase final de desarrollo. La DLI-2 (la segunda Digital libraries initiative) comienza a funcionar este año. Se diferencia de su predecesora en que el número de agencias encargadas de sostener el proyecto se ha visto aumentado con la National Library of Medicine, la Library of Congress y la National Endowment for the Humanities. Además, el presupuesto con respecto a la fase anterior se ha duplicado.http: //www.ukoln.ac.uk/services/elib/ http://www.dli2.nsf.gov/ http://www.cise.nsf.gov/iis/dli_home.html El hecho de que entidades, tanto públicas como privadas, se encuentren involucradas en la materialización de las bibliotecas digitales ha dado lugar a la apa-
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