Abstract

This paper presents an analysis of current limitations to the reuse of bibliographic data in the Semantic Web and a research proposal towards solutions to overcome them. The limitations identified derive from the insufficient convergence between existing bibliographic ontologies and the principles and techniques of linked open data (LOD); lack of a common conceptual framework for a diversity of standards often used together; reduced use of links to external vocabularies and absence of Semantic Web mechanisms to formalize relationships between vocabularies, as well as limitations of Semantic Web languages for the requirements of bibliographic data interoperability. A proposal is advanced to investigate the hypothesis of creating a reference model and specifying a superontology to overcome the misalignments found, as well as the use of SHACL (Shapes Constraint Language) to solve current limitations of RDF languages.

Highlights

  • The principles of the Semantic Web and the new data structures emerging from RDF languages have raised the need for new models of bibliographic description

  • This paper presents an analysis of current limitations to the reuse of bibliographic data in the Semantic Web and a research proposal towards solutions to overcome them

  • A proposal is advanced to investigate the hypothesis of creating a reference model and specifying a superontology to overcome the misalignments found, as well as the use of SHACL (Shapes Constraint Language) to solve current limitations of RDF languages

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Summary

Introduction

The principles of the Semantic Web and the new data structures emerging from RDF languages have raised the need for new models of bibliographic description. On this matter Godby, Wang & Mixter [1] acknowledge that there is already a critical mass of bibliographic data available as linked data, yet no corresponding evolution of the underlying standards did occur, calling for a reflection on the modeling of bibliographic data in the context of the Semantic Web. From the most recent literature on the subject it is possible to identify a set of limitations to a full convergence of the bibliographic ontologies with the principles and techniques of the Semantic Web. the RDF language does not provide means for the needs of validation, quality and consistency control of ontologies. The limitations and inadequacies of bibliographic ontologies and RDF languages are analyzed and the possibilities to overcome them through solutions based on semantic enrichment and validation of their vocabularies are explored

Limitations at the conceptual level
Shortcomings of the FRBR model
Absence of a conceptual framework for bibliographic standards
Limitations in semantic interoperability
Underuse of the semantic mechanisms of classification and hierarchy
Reduced linking to other vocabularies
Proliferation of vocabularies
Point-to-point mappings
Conclusions
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