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Article type: Research Article
Authors: Gangemi, Aldoa; b; * | Presutti, Valentinab | Reforgiato Recupero, Diegob | Nuzzolese, Andrea Giovannib | Draicchio, Francescob | Mongiovì, Misaelb
Affiliations: [a] LIPN, Université Paris 13, Sorbonne Paris Cité CNRS UMR 7030, France. E-mail: aldo.gangemi@lipn.univ-paris13.fr | [b] Semantic Technology Lab, ISTC-CNR, Rome and Catania, Italy. E-mails: aldo.gangemi@istc.cnr.it, valentina.presutti@istc.cnr.it, diego.reforgiato@istc.cnr.it, andrea.nuzzolese@istc.cnr.it, misael.mongiovi@istc.cnr.it
Correspondence: [*] Corresponding author. E-mail: aldo.gangemi@lipn.univ-paris13.fr.
Abstract: A formal machine reader is a tool able to transform natural language text into formal structured knowledge so as the latter can be interpreted by machines, according to a shared semantics. FRED is a formal machine reader for the semantic web: its output is a RDF/OWL graph, whose design is based on frame semantics. FRED’s graph are domain- and task-independent, making the tool suitable to be used as a semantic middleware for domain- or task-specific applications. To serve this purpose, it is available both as REST service and as Python library. This paper provides details about FRED’s capabilities, design issues, implementation and evaluation.
Keywords: Machine reading, knowledge extraction, Semantic Web, Linked Data, event extraction
DOI: 10.3233/SW-160240
Journal: Semantic Web, vol. 8, no. 6, pp. 873-893, 2017
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