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Type Reasoner, Tab Widget
Author(s) Vadim Ivanov, Matthias Knorr, João Leite
Last Update October 24, 2013
License not available
Homepage NoHR website
For Application

NoHR (Nova Hybrid Reasoner) is a plug-in for Protégé that allows its users to query knowledge bases composed of an ontology in OWL 2 EL and a set of Reasoning Rules.

Using a top-down reasoning approach, which means that only the part of the ontology and rules that is relevant for the query is actually evaluated, NoHR combines the capabilities of ELK for OWL 2 EL and the rule engine XSB Prolog to deliver very fast interactive response times.

Versions & Compatibility

This section lists available versions of NoHR.

VersionCompatible withDependencies
NoHR 2.0.0Protege-OWL 5.0.0XSB Prolog
NoHR 1.0.0Protege-OWL 4.3XSB Prolog

If you click on the button below to add a new version of NoHR, you will be asked to define a page title for the new version. Please adhere to the naming convention of NoHR X.X.X when you define the new page!


VersionChanges in this version
NoHR 2.0.0Complete revamp for performance improvements, new support of the OWL 2 QL profile in addition to OWL 2 EL, and a new rule parser for improved rule edition and querying.
NoHR 1.0.0Initial Release of NoHR for querying combinations of OWL 2 EL ontologies (as admitted in the ELK 0.4.0 libraries) and non-monotonic rules in an easy-to-read declarative rule language.

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