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Article Dans Une Revue ISPRS International Journal of Geo-Information Année : 2022

Geospatial Web Services Discovery through Semantic Annotation of WPS

Découverte de services Web géospatiaux par l'annotation sémantique des WPS

Résumé

This paper presents an approach to GWS (Geospatial Web Service) discovery through the semantic annotation of WPS (Web Processing Service) service descriptions. The rationale behind this work is that search engines that use appropriate semantic-based similarity measures in the matching process are more accurate in terms of precision and recall than those based on syntactic matching alone. The lack of semantics in the description of services using a standard such as WPS prevents the use of such a matching process and is considered a limitation of GWS discovery. The GWS discovery approach presented is based on the consideration of semantics in the service description method and in the matching process. The description of services is based on a semantic lightweight meta-model instantiated in the WPS 2.0 standard, extending the description of the service through metadata tags. The matching process is performed in three steps (functionality matching step, I/O (Input/Output) matching step and non-functional matching step). Its core is a semantic similarity measure that combines logical and non-logical matching methods. Finally, the paper presents the results of an experiment applying the proposed discovery approach on a GWS corpus, showing promising results and the added value of the three-step matching process.
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Dates et versions

hal-03643176 , version 1 (15-04-2022)

Identifiants

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Meriem Halilali, Eric Gouardères, Mauro Gaio, Florent Devin. Geospatial Web Services Discovery through Semantic Annotation of WPS. ISPRS International Journal of Geo-Information, 2022, ⟨10.3390/ijgi11040254⟩. ⟨hal-03643176⟩
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