The instance Store (iS) is a Java application for performing efficient and scalable Description Logic (DL) reasoning over OWL ontologies containing large numbers of individuals.

• Input Language: OWL
• Intended Audience: Developers, End Users/Desktop
• Interface: API, Graphical User Interface
• License: GNU Lesser General Public License (LGPL)
• Operating System: OS Independent
• Programming Language: Java
• Semantic Web Tool Categories: Reasoner, Repository