LETHE: saturation-based reasoning for non-standard reasoning tasks. We present the saturation-based reasoning system Lethe. Lethe is a tool that can be used for uniform interpolation, forgetting, TBox abduction and logical di erence. To solve these problems, Lethe uses saturation-based reasoning to eliminate certain symbols from an on- tology, such that entailments in the remaining vocabulary are preserved. This is known as forgetting or uniform interpolation. Lethe is an imple- mentation of our forgetting methods for various expressive description logics, and can be used as a Java library and as a standalone tool for the mentioned reasoning tasks. We give a high level description of the calculi used by Lethe, describe the reasoning algorithm implemented in Lethe, and give an evaluation of the system on realistic ontologies.
References in zbMATH (referenced in 1 article )
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- Zhao, Yizheng; Schmidt, Renate A.: FAME(Q): an automated tool for forgetting in description logics with qualified number restrictions (2019)