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Auteur Angeles S. Places |
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Multilevel modeling of geographic information systems based on international standards / Suilen H. Alvarado in Software and Systems Modeling, vol 21 n° 2 (April 2022)
[article]
Titre : Multilevel modeling of geographic information systems based on international standards Type de document : Article/Communication Auteurs : Suilen H. Alvarado, Auteur ; Alejandro Cortiñas, Auteur ; Miguel R. Luaces, Auteur ; Oscar Pedreira, Auteur ; Angeles S. Places, Auteur Année de publication : 2022 Article en page(s) : pp 623 - 666 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] architecture orientée modèle
[Termes IGN] métamodèle
[Termes IGN] standard OGC
[Termes IGN] système d'information géographiqueRésumé : (auteur) Even though different applications based on Geographic Information Systems (GIS) provide different features and functions, they all share a set of common concepts (e.g., spatial data types, operations, services), a common architecture, and a common set of technologies. Furthermore, common structures appear repeatedly in different GIS, although they have to be specialized in specific application domains. Multilevel modeling is an approach to model-driven engineering (MDE) in which the number of metamodel levels is not fixed. This approach aims at solving the limitations of a two-level metamodeling approach, which forces the designer to include all the metamodel elements at the same level. In this paper, we address the application of multilevel modeling to the domain of GIS, and we evaluate its potential benefits. Although we do not present a complete set of models, we present four representative scenarios supported by example models. One of them is based on the standards defined by ISO TC/211 and the Open Geospatial Consortium. The other three are based on the EU INSPIRE Directive (territory administration, spatial networks, and facility management). These scenarios show that multilevel modeling can provide more benefits to GIS modeling than a two-level metamodeling approach. Numéro de notice : A2022-330 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1007/s10270-021-00901-1 Date de publication en ligne : 02/07/2021 En ligne : https://doi.org/10.1007/s10270-021-00901-1 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100605
in Software and Systems Modeling > vol 21 n° 2 (April 2022) . - pp 623 - 666[article]Exploiting geographic references of documents in a geographical information retrieval system using an ontology-based index / N. Brisaboa in Geoinformatica, vol 14 n° 3 (July 2010)
[article]
Titre : Exploiting geographic references of documents in a geographical information retrieval system using an ontology-based index Type de document : Article/Communication Auteurs : N. Brisaboa, Auteur ; M. Luaces, Auteur ; Angeles S. Places, Auteur ; D. Seco, Auteur Année de publication : 2010 Article en page(s) : pp 307 - 331 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] coordonnées géographiques
[Termes IGN] corpus
[Termes IGN] données localisées
[Termes IGN] extraction automatique
[Termes IGN] index spatial
[Termes IGN] ontologie
[Termes IGN] recherche d'information géographique
[Termes IGN] requête non spatiale
[Termes IGN] requête spatiale
[Termes IGN] système d'information géographiqueRésumé : (Auteur) Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a new research field called Geographic Information Retrieval has appeared from the intersection of these two fields. The main goal of this field is to define index structures and techniques to efficiently store and retrieve documents using both the text and the geographic references contained within the text. We present in this paper two contributions to this research field. First, we propose a new index structure that combines an inverted index and a spatial index based on an ontology of geographic space. This structure improves the query capabilities of other proposals. Then, we describe the architecture of a system for geographic information retrieval that defines a workflow for the extraction of the geographic references in documents. The architecture also uses the index structure that we propose to solve pure spatial and textual queries as well as hybrid queries that combine both a textual and a spatial component. Furthermore, query expansion can be performed on geographic references because the index structure is based in an ontology. Copyright Springer Numéro de notice : A2010-103 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1007/s10707-010-0106-3 Date de publication en ligne : 30/01/2010 En ligne : https://doi.org/10.1007/s10707-010-0106-3 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30299
in Geoinformatica > vol 14 n° 3 (July 2010) . - pp 307 - 331[article]Réservation
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