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Aus International Center for Computational Logic
Description Logics (DLs) are a family of k … Description Logics (DLs) are a family of knowledge representation formalisms mainly characterised by constructors to build complex concepts and roles from atomic ones. Expressive role constructors are important in many applications, but can be computationally problematical.</br>We present an algorithm that decides satisfiability of the DL ALC extended with transitive and inverse roles, role hierarchies, and functional restrictions; early experiments indicate that this algorithm is well-suited for implementation. Additionally, we show that ALC extended with just transitive and inverse roles is still in PSPACE. </br>Finally, we investigate the limits of decidability for this family of DLs, showing that relaxing the constraints placed on the kinds of roles used in number restrictions leads to the undecidability of all inference problems. undecidability of all inference problems. +
@inproceedings{ HorrocksSattlerTobies-M4M-99,
address = {Amsterdam},
author = {Ian {Horrocks} and Ulrike {Sattler} and Stephan {Tobies}},
booktitle = {Proceedings of the 1999 Workshop Methods for Modalities (M4M-1)},
title = {Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies},
year = {1999},
}
address = {Amsterdam},
author = {Ian {Horrocks} and Ulrike {Sattler} and Stephan {Tobies}},
booktitle = {Proceedings of the 1999 Workshop Methods for Modalities (M4M-1)},
title = {Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies},
year = {1999},
}
Horrocks +
Ian +
Ian Horrocks, Ulrike Sattler, Stephan Tobi … Ian Horrocks, Ulrike Sattler, Stephan Tobies<br/> '''[[LATPub155|<b>Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies</b>]]''' <br/>__NOTOC__<i>Proceedings of the 1999 Workshop Methods for Modalities (M4M-1)</i>, 1999<br/><span class="fas fa-chevron-right" style="font-size: 85%;" ></span> [[LATPub155|Details]] <span class="fas fa-chevron-right" style="font-size: 85%; margin-left: 2ex; "></span> [[Media:HorrocksSattlerTobies-M4M-99.ps.gz|Download]]edia:HorrocksSattlerTobies-M4M-99.ps.gz|Download]] +
Ian Horrocks, Ulrike Sattler, Stephan Tobi … Ian Horrocks, Ulrike Sattler, Stephan Tobies<br/> '''[[LATPub155/en|<b>Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies</b>]]''' <br/>__NOTOC__<i>Proceedings of the 1999 Workshop Methods for Modalities (M4M-1)</i>, 1999<br/><span class="fas fa-chevron-right" style="font-size: 85%;" ></span> [[LATPub155|Details]] <span class="fas fa-chevron-right" style="font-size: 85%; margin-left: 2ex;" ></span> [[Media:HorrocksSattlerTobies-M4M-99.ps.gz|Download]]edia:HorrocksSattlerTobies-M4M-99.ps.gz|Download]] +
Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +
Anzeigetitel„Anzeigetitel <span style="font-size:small;">(Display title of)</span>“ ist ein softwareseitig fest definiertes Attribut, das einen eindeutigen Anzeigetitel zu einem Objekt speichert und ihm zuweist. Es wird von <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> zur Verfügung gestellt.
Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +
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25. März 2015, 14:34:02 +
Hat Abfrage„Hat Abfrage <span style="font-size:small;">(Has query)</span>“ ist ein softwareseitig fest definiertes Attribut, das die Metainformationen einer Abfrage als <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Subobject">Subobjekt</a> speichert. Es wird von <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a> zur Verfügung gestellt.
Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +, Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +, Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +, Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +, Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +, Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies + und Practical Reasoning for Description Logics with Functional Restrictions, Inverse and Transitive Roles, and Role Hierarchies +
