Semantic Application Design Language
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Semantic Application Design Language (SADL) is an English-like open source language for building formal models composed of an OWL ontology, rules expressed in terms of the ontological concepts, queries for retrieving information from the model, and tests to validate and re-validate model content and entailments (implications).
The SADL-IDE is an Eclipse-based integrated development environment(IDE) which facilitates authoring and maintaining models expressed in the SADL language.
The Semantic Technology stack offers significant potential for knowledge capture and usage in many domains. However, native representations (OWL, SWRL, Jena Rules, SPARQL) are unfriendly to domain experts who are not computer scientists and not knowledgeable in the intricacies of artificial intelligence and formal logic. Furthermore, in the opinion of the creator, the tools available to build, test, maintain, and apply knowledge bases (models) over their life cycle are inadequate. SADL attempts to bridge these gaps.[1][citation needed]