![]() ![]() Literature often romanticizes night owls. If, like Bram Stoker’s famous character Dracula from the 1897 novel of the same title, you are most active when the moon is up and tend to go into hiding at sunrise, then you might not be a vampire, but you probably qualify as a night person or night owl. ![]() Altova's SemanticWorks (editor development environment).Share on Pinterest What health risks do night owls face, and why? And should they strive to turn into morning larks?.RDFox (triple store reasoner owl reasoner rdfs reasoner rule reasoner).GraphDB (triple store reasoner sparql endpoint rdfs reasoner owl reasoner).Oracle Spatial and Graph 19c (triple store reasoner owl reasoner). ![]() Directly usable from C C++ Python PHP Java Javascript ActionScript Tcl Perl Ruby Obj-C OpenLink Virtuoso (triple store reasoner rdf generator sparql endpoint owl reasoner rdfs reasoner rdb2rdf).Ontopic Studio (sparql endpoint converter owl reasoner rdb2rdf rdf generator rdfs reasoner reasoner).Ontop (sparql endpoint converter owl reasoner rdb2rdf rdf generator rdfs reasoner reasoner).Mobi (programming environment development environment).FRED (rdf generator tagging knowledge graph extractor). ![]() Cowl (programming environment parser).Apache Jena (triple store programming environment reasoner rule reasoner owl reasoner rdfs reasoner parser).Directly usable from Java LISP Python Prolog C Ruby Perl AllegroGraph RDF Store (triple store programming environment reasoner development environment rdfs reasoner).This is a list of all tools listed on this wiki, and that are marked as relevant to OWL. Oracle Spatial and Graph 19c (last modified: 18 February 2020).RDFox (last modified: 11 February 2021).Ontopic Studio (last modified: 23 June 2022).The description of the following tools have been added and/or modified most recently. (Note that you can browse tools per tool categories or programming languages, too.) That list also includes references to conference proceedings and article collections that might be of general interest. Please, refer to a separate page listing some of those, as maintained by the community. Those looking for a more approachable guide to the features and usage of OWL 2 may prefer to consult one of the user documents, which include a Primer and a Quick Reference Guide.Ī number of textbooks have been published on OWL, and on Semantic Web in general. These documents are, however, all rather technical and mainly aimed at OWL 2 implementers and tool developers. Three additional specification documents describe optional features that may be supported by some implementations: the language profiles, and two alternative concrete syntaxes (OWL/XML and Manchester). The deliverables that make up the OWL 2 specification include a Document Overview, which serves as an introduction to OWL 2, describes the relationship between OWL 1 and OWL 2, and provides an entry point to the remaining deliverables via a Documentation Roadmap.Īs can be seen from the above mentioned Documentation Roadmap, OWL 2 is normatively defined by five core specification documents describing its conceptual structure, primary exchange syntax (RDF/XML), two alternative semantics (Direct and RDF-Based), and conformance requirements. OWL 2 is an extension and revision of the 2004 version of OWL developed by the (now closed) and published in 2004. The current version of OWL, also referred to as “OWL 2”, was developed by the (now closed) and published in 2009, with a Second Edition published in 2012. OWL is part of the W3C’s Semantic Web technology stack, which includes RDF, RDFS, SPARQL, etc. OWL documents, known as ontologies, can be published in the World Wide Web and may refer to or be referred from other OWL ontologies. OWL is a computational logic-based language such that knowledge expressed in OWL can be exploited by computer programs, e.g., to verify the consistency of that knowledge or to make implicit knowledge explicit. The W3C Web Ontology Language (OWL) is a Semantic Web language designed to represent rich and complex knowledge about things, groups of things, and relations between things. ![]()
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