Forthcoming and Online First Articles

International Journal of Metadata, Semantics and Ontologies

International Journal of Metadata, Semantics and Ontologies (IJMSO)

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International Journal of Metadata, Semantics and Ontologies (8 papers in press)

Regular Issues

  • Improving FAIRness of the SYNOP meteorological dataset with semantic metadata   Order a copy of this article
    by Amina Annane, Mouna Kamel, Cassia Trojahn, Nathalie Aussenac-Gilles, Catherine Comparot, Christophe Baehr 
    Abstract: Meteorological data, essential in a variety of applications, has been made available as open data through different portals, either governmental, associative or private ones. Making this data fully findable and reusable for experts from other domains than meteorology requires considerable efforts to guarantee compliance to the FAIR principles. Nowadays, most efforts in data FAIRification are limited to semantic metadata describing the overall features of datasets. However, such a description is not enough to fully address data interoperability and reusability by other scientific communities. This paper addresses this weakness by proposing a semantic model to represent different kinds of metadata, describing the data schema and the internal structure of a dataset distribution, together with domain-specific definitions. This model is used to provide a reusable schema of the SYNOP dataset, a largely used governmental meteorological dataset in France. The impact of using the proposed model for improving FAIRness was evaluated.
    Keywords: metadata; ontologies; meteorological data; FAIR principles.

  • Nano-PROV: FAIRification workflow for generating nanopublications based on provenance and semantic enrichment   Order a copy of this article
    by Matheus Pedra Puime Feijoó, Rodrigo Jardim, Sergio Manuel Serra Da Cruz, Maria Luiza Machado Campos 
    Abstract: Providing research data to be readable, accurate and understandable by human and autonomous computational agents is challenging, primarily if published on the Web. We present Nano-PROV, a workflow-based approach that aims to semantic enrichment of data and provenance control of published research datasets. The workflow uses the nanopublications for data transformation, a reliable format for dynamically publishing research outputs. Further, Nano-PROV adopts the UN-PROV, a unified provenance guideline centred on nanopublication for identifying and controlling data and workflow provenance. In this paper, we developed computational experiments to evaluate the workflow by generating a nanopub data model based on the genomic scenario, showing how the proposal may circumvent various issues regarded with data reusability, interoperability, and discoverability issues. Compared with related works, our results demonstrated the feasibility of the Nano-PROV to enhance the semantic expressivity of research data and its metadata annotations.
    Keywords: nanopublication; FAIR principles; FAIRification; data provenance; semantic web; metadata; research data management; ontologies; semantic enrichment.

  • Semantic interoperability model for learning object repositories   Order a copy of this article
    by Valeria Celeste Sandobal Verón, Mariel Alejandra Ale, Milagros Gutiérrez 
    Abstract: Interoperability among repositories is a crucial issue, which requires not only syntactic but also semantic compatibility, achieved through the adoption of metadata standards. However, different learning object repositories currently use diverse metadata standards to describe their resources, leading to a challenge: multiple metadata standards describe the same term, and the same metadata can describe different terms. To overcome this challenge, this paper proposes an ontology-based interoperability model, featuring a shared vocabulary and a set of matching rules. The shared vocabulary establishes a common terminology for learning objects, while the matching rules enable translation between the shared vocabulary and any metadata standard. As a result, both deposit and search for learning objects can be conducted using any metadata standard, thanks to the rules that ensure seamless translations where needed. To evaluate the proposed model, a prototype has been developed, which implements the shared vocabulary and matching rules. The prototype simulates a system with two repositories, one using the DC metadata standard (for which a DC ontology was used) and the other using LOM (for which a LOM ontology was used).
    Keywords: semantic interoperability; learning object repositories; metadata standards.

  • Enrichment of data in digital documents with metadata extraction   Order a copy of this article
    by Clovis Santos, Carina Dorneles 
    Abstract: Companies have migrated their operational activities from paper documents to automated processes with fully digital storage. This management trend is positive, but printed documents, in most cases, cannot be discarded for administrative or legal reasons. This research used data extraction to enrich the database of a non-governmental organization (NGO) that monitors the use of public financial resources in counties. The implementation analysed the digital files containing official documents and identified the words with the highest occurrence according to algorithms presented in the research results. The solution created in the research added metadata to improve the search for documents in the database and improve the procedural follow-up of administrative and judicial actions. The results were positive with success in the extraction of the keywords in each document and presented with examples in the results section, showing the steps used to add metadata in the documents.
    Keywords: electronic document; text mining; data extraction; NGO.

  • A functional and semantic analysis of artefact representation schemata in folklore museum websites   Order a copy of this article
    by Maria Ioanna Maratsi, Zoi Lachana, Charalampos Alexopoulos, Yannis Charalabidis 
    Abstract: Folklore culture is the summary and embodiment of a way of life, a normative form for people, covering local life in rural communities. A folklore museum typically displays historical objects used as part of people's everyday lives. The representation of information in the digital realm is an important aspect of cultural heritage institutions, with museums taking over a considerable proportion. Having taken into consideration requirements set by the existing literature and examining relevant research and approaches, the authors developed an analysis framework including 16 popular folklore museums around the world, in order to examine various aspects of their digital presence. More specifically, the authors followed a two-fold methodological approach conducting a functionality and semantic analysis of the chosen museums with the purpose of determining the current approaches and tendencies with respect to representation schemata for folklore museum artefacts and their digital representation.
    Keywords: semantics; linked open data; vocabularies; interoperability; folklore museums; cultural heritage; analysis framework; semantic analysis; semantic restrictions.
    DOI: 10.1504/IJMSO.2022.10058161
  • Domain-specific schema discovery from general-purpose knowledge bases   Order a copy of this article
    by Everaldo Costa Neto, Johny Moreira, Luciano Barbosa, Ana Carolina Salgado 
    Abstract: General-purpose knowledge bases (KBs) have been used for various applications. An essential step for leveraging the content of KBs on domain-specific tasks is to discover their schema. In this paper, we propose ANCHOR, an end-to-end pipeline for schema discovery from general-purpose KB in an automated way. ANCHOR identifies a domain of interest based on category mapping from KB. Next, it learns representations of entities in this domain based on the entity-category mappings and uses these representations to identify the entities topics within this domain. Finally, ANCHOR generates a profile for each topic using a strategy based on attributes co-occurrence. We have evaluated ANCHOR on four domains. The results show that: (1) the learned entity representation effectively produces better entity clusters than some traditional and embedding-based baselines; (2) our solution produces a high-quality profile for the discovered topics.
    Keywords: schema discovery; knowledge base; topic identification; entity representation.

  • Preprocessing of RDF data for METIS partitioning   Order a copy of this article
    by Siham Benhamed, Safia Nait Bahloul 
    Abstract: The partitioning of RDF data on a large scale allows generating a set of RDF data subgraphs. METIS is a graph partitioning technique that minimizes the cost of partitioning. METIS applies, among other things, to RDF graphs. However, the semantics introduced in the description of RDF data is not taken into account in the partitioning process in METIS. For this, we propose in this paper a step of pre-processing RDF data before partitioning these data. The objective of this step is to improve the quality of semantic partitioning of RDF graphs. The evaluation of the RDF preprocessing step for METIS was performed on real and synthetic data.
    Keywords: semantic web; RDF graph; preprocessing; graph partitioning; METIS.
    DOI: 10.1504/IJMSO.2023.10059687
  • CIDaTa: an ontology-based framework for international data transfers and GDPR compliance   Order a copy of this article
    by Mohammad Mahmudul Hasan, Marcelo Corrales, George Kousiouris, Dimosthenis Anagnostopoulos 
    Abstract: Cross-border data transfers and their legal aspects have created a daunting landscape for application and service providers, in which rules and regulations need to be constantly monitored and addressed, especially in dynamic scenarios such as cloud brokerage or cloud/edge operations. Even if regulations such as the General Data Protection Regulation (GDPR) have started to mature and be understood by the IT industry, further complexity has been added by relatively recent court rulings (such as the Schrems II decision) that create new challenges for the IT domain. The latter is heavily oriented towards a fully automated operational environment thus the consideration of the legality of data transfer is necessary to comply with current regulations. The aim of this work is to semantically model several concepts surrounding international data transfers based on the current changes and formulate them around a newly defined ontology (CIDaTa). The work exploits 23 existing ontologies, as dictated by the Linked Data paradigm, and introduces 54 links between them.
    Keywords: international data transfers; Schrems II; data privacy; data protection; GDPR; ontology-based framework.
    DOI: 10.1504/IJMSO.2023.10060489