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lemon - The Lexicon Model for Ontologies

The primary URI from the lemon model is now http://lemon-model.net/lemon#.
If you are using http://www.monnet-project.eu/lemon# please update your data to the new namespace.

Lemon is a proposed model for modeling lexicon and machine-readable dictionaries and linked to the Semantic Web and the Linked Data cloud. It was designed to meet the following challenges

RDF-native form to enable leverage of existing Semantic Web technologies (SPARQL, OWL, RIF etc.).
Linguistically sound structure based on LMF to enable conversion to existing offline formats.
Separation of the lexicon and ontology layers, to ensure compatability with existing OWL models.
Linking to data categories, in order to allow for arbitrarily complex linguistic description. In particular the LexInfo vocabulary is aligned to lemon and ISOcat.
A small model using the principle of least power - the less expressive the language, the more reusable the data.

Lemon was developed by the Monnet project as a collaboration between:

CITEC at Bielefeld University, DERI at the National University of Ireland, Galway, Universidad Politécnica de Madrid and the Deutsche Forschungszentrum für Künstliche Intelligenz

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Who uses lemon?

How can I use lemon?

To see how to get started with the model see our guide

For full documentation you may consult the Lemon Cookbook

Lemon API is a Java-based interface for using lemon that is compatible with all major platforms. In addition, there is a Wiki-like site for manipulating and publishing lemon data, called Lemon Source. This includes a service for generating lexica from ontologies.

Lemon is still under development and we welcome contributions. If you wish to get involved please join the W3C OntoLex Community Group