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  • × theme_ss:"Semantische Interoperabilität"
  1. García-Marco, F.-J.: Enhancing the visibility and relevance of thesauri in the Web : searching for a hub in the linked data environment (2016) 0.00
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  2. Nicholson, D.: Help us make HILT's terminology services useful in your information service (2008) 0.00
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    Abstract
    The JISC-funded HILT project is looking to make contact with staff in information services or projects interested in helping it test and refine its developing terminology services. The project is currently working to create pilot web services that will deliver machine-readable terminology and cross-terminology mappings data likely to be useful to information services wishing to extend or enhance the efficacy of their subject search or browse services. Based on SRW/U, SOAP, and SKOS, the HILT facilities, when fully operational, will permit such services to improve their own subject search and browse mechanisms by using HILT data in a fashion transparent to their users. On request, HILT will serve up machine-processable data on individual subject schemes (broader terms, narrower terms, hierarchy information, preferred and non-preferred terms, and so on) and interoperability data (usually intellectual or automated mappings between schemes, but the architecture allows for the use of other methods) - data that can be used to enhance user services. The project is also developing an associated toolkit that will help service technical staff to embed HILT-related functionality into their services. The primary aim is to serve JISC funded information services or services at JISC institutions, but information services outside the JISC domain may also find the proposed services useful and wish to participate in the test and refine process.
  3. Peponakis, M.; Mastora, A.; Kapidakis, S.; Doerr, M.: Expressiveness and machine processability of Knowledge Organization Systems (KOS) : an analysis of concepts and relations (2020) 0.00
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    Abstract
    This study considers the expressiveness (that is the expressive power or expressivity) of different types of Knowledge Organization Systems (KOS) and discusses its potential to be machine-processable in the context of the Semantic Web. For this purpose, the theoretical foundations of KOS are reviewed based on conceptualizations introduced by the Functional Requirements for Subject Authority Data (FRSAD) and the Simple Knowledge Organization System (SKOS); natural language processing techniques are also implemented. Applying a comparative analysis, the dataset comprises a thesaurus (Eurovoc), a subject headings system (LCSH) and a classification scheme (DDC). These are compared with an ontology (CIDOC-CRM) by focusing on how they define and handle concepts and relations. It was observed that LCSH and DDC focus on the formalism of character strings (nomens) rather than on the modelling of semantics; their definition of what constitutes a concept is quite fuzzy, and they comprise a large number of complex concepts. By contrast, thesauri have a coherent definition of what constitutes a concept, and apply a systematic approach to the modelling of relations. Ontologies explicitly define diverse types of relations, and are by their nature machine-processable. The paper concludes that the potential of both the expressiveness and machine processability of each KOS is extensively regulated by its structural rules. It is harder to represent subject headings and classification schemes as semantic networks with nodes and arcs, while thesauri are more suitable for such a representation. In addition, a paradigm shift is revealed which focuses on the modelling of relations between concepts, rather than the concepts themselves.
  4. Social tagging in a linked data environment. Edited by Diane Rasmussen Pennington and Louise F. Spiteri. London, UK: Facet Publishing, 2018. 240 pp. £74.95 (paperback). (ISBN 9781783303380) (2019) 0.00
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    Abstract
    Social tagging, hashtags, and geotags are used across a variety of platforms (Twitter, Facebook, Tumblr, WordPress, Instagram) in different countries and cultures. This book, representing researchers and practitioners across different information professions, explores how social tags can link content across a variety of environments. Most studies of social tagging have tended to focus on applications like library catalogs, blogs, and social bookmarking sites. This book, in setting out a theoretical background and the use of a series of case studies, explores the role of hashtags as a form of linked data?without the complex implementation of RDF and other Semantic Web technologies.
  5. Rölke, H.; Weichselbraun, A.: Ontologien und Linked Open Data (2023) 0.00
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    Abstract
    Der Begriff Ontologie stammt ursprünglich aus der Metaphysik, einem Teilbereich der Philosophie, welcher sich um die Erkenntnis der Grundstruktur und Prinzipien der Wirklichkeit bemüht. Ontologien befassen sich dabei mit der Frage, welche Dinge auf der fundamentalsten Ebene existieren, wie sich diese strukturieren lassen und in welchen Beziehungen diese zueinanderstehen. In der Informationswissenschaft hingegen werden Ontologien verwendet, um das Vokabular für die Beschreibung von Wissensbereichen zu formalisieren. Ziel ist es, dass alle Akteure, die in diesen Bereichen tätig sind, die gleichen Konzepte und Begrifflichkeiten verwenden, um eine reibungslose Zusammenarbeit ohne Missverständnisse zu ermöglichen. So definierte zum Beispiel die Dublin Core Metadaten Initiative 15 Kernelemente, die zur Beschreibung von elektronischen Ressourcen und Medien verwendet werden können. Jedes Element wird durch eine eindeutige Bezeichnung (zum Beispiel identifier) und eine zugehörige Konzeption, welche die Bedeutung dieser Bezeichnung möglichst exakt festlegt, beschrieben. Ein Identifier muss zum Beispiel laut der Dublin Core Ontologie ein Dokument basierend auf einem zugehörigen Katalog eindeutig identifizieren. Je nach Katalog kämen daher zum Beispiel eine ISBN (Katalog von Büchern), ISSN (Katalog von Zeitschriften), URL (Web), DOI (Publikationsdatenbank) etc. als Identifier in Frage.
  6. Faro, S.; Francesconi, E.; Marinai, E.; Sandrucci, V.: Report on execution and results of the interoperability tests (2008) 0.00
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    Date
    7.11.2008 10:40:22
  7. Haslhofer, B.: Uniform SPARQL access to interlinked (digital library) sources (2007) 0.00
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    Date
    26.12.2011 13:22:46
  8. Hubrich, J.: CrissCross: SWD-DDC-Mapping (2008) 0.00
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    Date
    22. 8.2009 10:35:21
  9. Faro, S.; Francesconi, E.; Sandrucci, V.: Thesauri KOS analysis and selected thesaurus mapping methodology on the project case-study (2007) 0.00
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    Date
    7.11.2008 10:40:22
  10. Si, L.: Encoding formats and consideration of requirements for mapping (2007) 0.00
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    Date
    26.12.2011 13:22:27
  11. Mayr, P.; Petras, V.: Building a Terminology Network for Search : the KoMoHe project (2008) 0.00
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    Source
    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
  12. Petras, V.: Heterogenitätsbehandlung und Terminology Mapping durch Crosskonkordanzen : eine Fallstudie (2010) 0.00
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    Source
    Wissensspeicher in digitalen Räumen: Nachhaltigkeit - Verfügbarkeit - semantische Interoperabilität. Proceedings der 11. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation, Konstanz, 20. bis 22. Februar 2008. Hrsg.: J. Sieglerschmidt u. H.P.Ohly
  13. Candela, G.: ¬An automatic data quality approach to assess semantic data from cultural heritage institutions (2023) 0.00
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    Date
    22. 6.2023 18:23:31
  14. Strötgen, R.: Anfragetransfers zur Integration von Internetquellen in Digitalen Bibliotheken auf der Grundlage statistischer Termrelationen (2007) 0.00
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    Abstract
    In Digitalen Bibliotheken als integrierten Zugängen zu in der Regel mehreren verschiedenen Dokumentsammlungen tritt Heterogenität in vielerlei Spielarten auf: - als technische Heterogenität durch das Zusammenspiel verschiedener Betriebs-, Datenbank- oder Softwaresysteme, - als strukturelle Heterogenität durch das Auftreten verschiedener Dokumentstrukturen und Metadaten-Standards und schließlich - als semantische Heterogenität, wenn Dokumente mit Hilfe unterschiedlicher Ontologien (hier verwendet im weiteren Sinn von Dokumentationssprachen wie Thesauri und Klassifikationen) erschlossen wurden oder aber Dokumente überhaupt nicht mit Metadaten ausgezeichnet wurden. Semantische Heterogenität lässt sich behandeln, indem die Standardisierung von Metadaten (z.B. von der Dublin Core Metadata Initiative oder das Resource Description Framework (RDF) im Kontext des Semantic Web) vorangetrieben und ihre Verwendung gefördert wird. Allerdings besteht auf Grund der unterschiedlichen Interessen aller beteiligten Partner (u.a. Bibliotheken, Dokumentationsstellen, Datenbankproduzenten, "freie" Anbieter von Dokumentsammlungen und Datenbanken) kaum die Aussicht, dass sich durch diese Standardisierung semantische Heterogenität restlos beseitigen lässt. Insbesondere ist eine einheitliche Verwendung von Vokabularen und Ontologien nicht in Sicht. Im Projekt CARMEN wurde unter anderem das Problem der semantischen Heterogenität einerseits durch die automatische Extraktion von Metadaten aus Internetdokumenten und andererseits durch Systeme zur Transformation von Anfragen über Cross-Konkordanzen und statistisch erzeugte Relationen angegangen. Ein Teil der Ergebnisse der Arbeiten am IZ Sozialwissenschaften waren statistische Relationen zwischen Deskriptoren, die mittels Kookurrenzbeziehungen berechnet wurden. Diese Relationen wurden dann für die Übersetzung von Anfragen genutzt, um zwischen verschiedenen Ontologien oder auch Freitexttermen zu vermitteln. Das Ziel dieser Übersetzung ist die Verbesserung des (automatischen) Überstiegs zwischen unterschiedlich erschlossenen Dokumentbeständen, z.B. Fachdatenbanken und Internetdokumenten, als Lösungsansatz zur Behandlung semantischer Heterogenität.
  15. Euzenat, J.; Bach, T.Le; Barrasa, J.; Bouquet, P.; Bo, J.De; Dieng, R.; Ehrig, M.; Hauswirth, M.; Jarrar, M.; Lara, R.; Maynard, D.; Napoli, A.; Stamou, G.; Stuckenschmidt, H.; Shvaiko, P.; Tessaris, S.; Acker, S. Van; Zaihrayeu, I.: State of the art on ontology alignment (2004) 0.00
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    Abstract
    In this document we provide an overall view of the state of the art in ontology alignment. It is organised as a description of the need for ontology alignment, a presentation of the techniques currently in use for ontology alignment and a presentation of existing systems. The state of the art is not restricted to any discipline and consider as some form of ontology alignment the work made on schema matching within the database area for instance. Heterogeneity problems on the semantic web can be solved, for some of them, by aligning heterogeneous ontologies. This is illustrated through a number of use cases of ontology alignment. Aligning ontologies consists of providing the corresponding entities in these ontologies. This process is precisely defined in deliverable D2.2.1. The current deliverable presents the many techniques currently used for implementing this process. These techniques are classified along the many features that can be found in ontologies (labels, structures, instances, semantics). They resort to many different disciplines such as statistics, machine learning or data analysis. The alignment itself is obtained by combining these techniques towards a particular goal (obtaining an alignment with particular features, optimising some criterion). Several combination techniques are also presented. Finally, these techniques have been experimented in various systems for ontology alignment or schema matching. Several such systems are presented briefly in the last section and characterized by the above techniques they rely on. The conclusion is that many techniques are available for achieving ontology alignment and many systems have been developed based on these techniques. However, few comparisons and few integration is actually provided by these implementations. This deliverable serves as a basis for considering further action along these two lines. It provide a first inventory of what should be evaluated and suggests what evaluation criterion can be used.
  16. Hooland, S. van; Verborgh, R.: Linked data for Lilibraries, archives and museums : how to clean, link, and publish your metadata (2014) 0.00
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    Abstract
    This highly practical handbook teaches you how to unlock the value of your existing metadata through cleaning, reconciliation, enrichment and linking and how to streamline the process of new metadata creation. Libraries, archives and museums are facing up to the challenge of providing access to fast growing collections whilst managing cuts to budgets. Key to this is the creation, linking and publishing of good quality metadata as Linked Data that will allow their collections to be discovered, accessed and disseminated in a sustainable manner. This highly practical handbook teaches you how to unlock the value of your existing metadata through cleaning, reconciliation, enrichment and linking and how to streamline the process of new metadata creation. Metadata experts Seth van Hooland and Ruben Verborgh introduce the key concepts of metadata standards and Linked Data and how they can be practically applied to existing metadata, giving readers the tools and understanding to achieve maximum results with limited resources. Readers will learn how to critically assess and use (semi-)automated methods of managing metadata through hands-on exercises within the book and on the accompanying website. Each chapter is built around a case study from institutions around the world, demonstrating how freely available tools are being successfully used in different metadata contexts. This handbook delivers the necessary conceptual and practical understanding to empower practitioners to make the right decisions when making their organisations resources accessible on the Web. Key topics include, the value of metadata; metadata creation - architecture, data models and standards; metadata cleaning; metadata reconciliation; metadata enrichment through Linked Data and named-entity recognition; importing and exporting metadata; ensuring a sustainable publishing model. This will be an invaluable guide for metadata practitioners and researchers within all cultural heritage contexts, from library cataloguers and archivists to museum curatorial staff. It will also be of interest to students and academics within information science and digital humanities fields. IT managers with responsibility for information systems, as well as strategy heads and budget holders, at cultural heritage organisations, will find this a valuable decision-making aid.
  17. Hubrich, J.: Concepts in Context - Cologne Conference on Interoperability and Semantics in Knowledge Organization : Internationale Fachtagung und Abschlussworkshop des DFGProjekts CrissCross in Köln (2010) 0.00
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    Content
    "Am 19. und 20. Juli 2010 fand in der Fachhochschule Köln die internationale Tagung "Concepts in Context - Cologne Conference on Interoperability and Semantics in Knowledge Organization" statt. Ausgerichtet wurde sie mit finanzieller Unterstützung der Deutschen Forschungsgemeinschaft (DFG) vom Institut für Informationsmanagement (IIM) der Fachhochschule Köln in Kooperation mit der Deutschen Nationalbibliothek (DNB). Im Mittelpunkt der Veranstaltung standen Fragen der Modellierung von Interoperabilität und semantischen Informationen in der Wissensorganisation, die einen unmittelbaren thematischen Zusammenhang mit den am Institut für Informationsmanagement angesiedelten Projekten CrissCross und RESEDA aufweisen. Das Programm umfasste 11 Beiträge aus 5 verschiedenen Ländern sowohl zu praktischen als auch zu theoretischen Aspekten der Wissensorganisation unter besonderer Berücksichtigung moderner Technologien, aktueller Entwicklungen und zukunftsbezogener Perspektiven. Der erste Tag war als Abschlussworkshop für das CrissCross-Projekt konzipiert und bot in zwei Sessions neben einem umfassenden Überblick über das Projekt auch weitere Best-Practice-Beispiele für die Gestaltung von Interoperabilität vor allem im Rahmen von Ansätzen der Semantic-Web- und Linked-Data-Initiativen. Eine vertiefte Auseinandersetzung mit sich in der Entwicklung befindlichen oder auch erst kürzlich fertiggestellten Standards und Modellen der Interoperabilität und Wissensorganisation erfolgte am zweiten Tag, der mit einer Keynote von Dagobert Soergel von der University at Buffalo (USA) eröffnet wurde und in zwei weitere Sessions unterteilt war. Zu der Veranstaltung konnten Prof. Dr. Klaus-Dirk Schmitz, Leiter des Kölner Instituts für Informationsmanagement, sowie Ulrike Junger, Leiterin der Abteilung Sacherschließung der Deutschen Nationalbibliothek in Stellvertretung der Generaldirektorin, Dr. Elisabeth Niggemann, ca. 120 Teilnehmer aus insgesamt 16 Ländern begrüßen. Prof. Klaus-Dirk Schmitz stellte in seiner Eröffnungsrede die Fachhochschule Köln und insbesondere das Institut für Informationsmanagement vor und erörterte das Konferenzthema mit Beispielen aus Forschungsgebieten der Terminologiearbeit. Ulrike Junger ging auf die gelungene Zusammenarbeit zwischen der Fachhochschule Köln und der Deutschen Nationalbibliothek ein, die mit dem DFG-Projekt DDC Deutsch begonnen und in dem DFG-Projekt CrissCross eine Fortsetzung gefunden hatte. Eine Einführung in die spezifischen Konferenzinhalte gab schließlich Prof. Winfried Gödert, Leiter des RESEDA-Projekts sowie - seitens der Fachhochschule Köln - des CrissCross-Projekts.
    Die erste Session der Veranstaltung war dem von der DFG geförderten Projekt CrissCross gewidmet, das von der Fachhochschule Köln in Kooperation mit der Deutschen Nationalbibliothek durchgeführt wird. Das Projekt, das 2006 begann und im Herbst diesen Jahres endet, verfolgt das Ziel, ein multilinguales, thesaurusbasiertes und nutzerfreundliches Recherchevokabular zu heterogen erschlossenen Informationsressourcen zu schaffen. Hierzu wird einerseits eine unidirektionale Verbindung zwischen Sachschlagwörtern der Schlagwortnormdatei (SWD) und Notationen der Dewey-Dezimalklassifikation hergestellt, andererseits werden - in Fortführung der in dem Projekt Multilingual Access to Subject Headings (MACS) entwickelten Methodik - häufig verwendete SWD-Schlagwörter mit ihren Äquivalenten in der englischen Schlagwortsprache Library of Congress Subject Headings (LCSH) und der französischen Schlagwortsprache Répertoire d'autorité-matière encyclopédique et alphabétique unifié (RAMEAU) verknüpft. Jan-Helge Jacobs, Katrin Müller und Tina Mengel von der Fachhochschule Köln gaben einen Überblick über das für das Projekt spezifische SWD-DDC-Mapping. Sie erläuterten die zugrunde liegende Methodik und stellten den mit den Daten gegebenen möglichen Mehrwert sowohl zur Verbesserung des Zugangs zur DDC und zu DDC-erschlossenen Informationsressourcen im Allgemeinen als auch zur Unterstützung von explorativen Suchprozessen im Speziellen dar. Ergänzend präsentierten Yvonne Jahns und Helga Karg von der Deutschen Nationalbibliothek den im MACSProjekt praktizierten Ansatz zur Verbindung von Indexierungsinstrumenten verschiedener Sprachen und das damit gegebene Potential zur Unterstützung eines multilingualen Retrievals. Die adäquate Modellierung von Dokumentationssprachen und Relationen zur Gewährleistung von Interoperabilität und Verbesserung von Suchfunktionalitäten bei heterogen erschlossenen Dokumentbeständen besonders in Hinblick auf Semantic-Web-Applikationen war Thema der zweiten Session. Jessica Hubrich von der Fachhochschule Köln nahm theoretische Ergebnisse des CrissCross-Projektes auf und stellte ein gestuftes Interoperabilitätsmodell vor, in dem Methoden zur Erstellung von Links zwischen Begriffen verschiedener Wissenssysteme in Bezug gesetzt wurden zu spezifischen Suchfunktionalitäten in Retrievalszenarien. Im anschließenden Vortrag von Claudia Effenberger und Julia Hauser von der Deutschen Nationalbibliothek wurde von den bisherigen Ergebnissen eines an der Deutschen Nationalbibliothek angesiedelten Forschungsprojekts berichtet, in dem jeder Klasse der Dewey-Dezimalklassifikation ein eindeutiger Identifier zugeordnet wird, durch den verschiedene Versionen einer Klasse unterschieden werden können. Dies dient der Verbesserung des Zugriffs auf bibliografische Titeldaten, die auf der Basis unterschiedlicher DDC-Versionen erschlossen wurden. Der erste Tag schloss mit einer Präsentation von Antoine Isaac von der Vrije Universiteit in Amsterdam ab. In dieser wurde Interoperabilität als Teil eines semantischen Netzes von Linked Data diskutiert und ein Überblick über zentrale Linked-Data-Projekte gegeben.
  18. Mayr, P.; Petras, V.; Walter, A.-K.: Results from a German terminology mapping effort : intra- and interdisciplinary cross-concordances between controlled vocabularies (2007) 0.00
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    Abstract
    In 2004, the German Federal Ministry for Education and Research funded a major terminology mapping initiative at the GESIS Social Science Information Centre in Bonn (GESIS-IZ), which will find its conclusion this year. The task of this terminology mapping initiative was to organize, create and manage 'crossconcordances' between major controlled vocabularies (thesauri, classification systems, subject heading lists) centred around the social sciences but quickly extending to other subject areas. Cross-concordances are intellectually (manually) created crosswalks that determine equivalence, hierarchy, and association relations between terms from two controlled vocabularies. Most vocabularies have been related bilaterally, that is, there is a cross-concordance relating terms from vocabulary A to vocabulary B as well as a cross-concordance relating terms from vocabulary B to vocabulary A (bilateral relations are not necessarily symmetrical). Till August 2007, 24 controlled vocabularies from 11 disciplines will be connected with vocabulary sizes ranging from 2,000 - 17,000 terms per vocabulary. To date more than 260,000 relations are generated. A database including all vocabularies and cross-concordances was built and a 'heterogeneity service' developed, a web service, which makes the cross-concordances available for other applications. Many cross-concordances are already implemented and utilized for the German Social Science Information Portal Sowiport (www.sowiport.de), which searches bibliographical and other information resources (incl. 13 databases with 10 different vocabularies and ca. 2.5 million references).
  19. Darstellung der CrissCross-Mappingrelationen im Rahmen des Semantic Web (2010) 0.00
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  20. Levergood, B.; Farrenkopf, S.; Frasnelli, E.: ¬The specification of the language of the field and interoperability : cross-language access to catalogues and online libraries (CACAO) (2008) 0.00
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    Source
    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas

Years

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Types

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  • m 14
  • s 7
  • x 6
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  • p 2
  • n 1
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