Query Answering in Ontologies under Preference Rankings
Query Answering in Ontologies under Preference Rankings
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DOI:
10.24963/ijcai.2017/131
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发表时间:
2017-08
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影响因子:
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通讯作者:
I. Ceylan;Thomas Lukasiewicz;R. Peñaloza;Oana Tifrea-Marciuska
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文献类型:
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作者:
I. Ceylan;Thomas Lukasiewicz;R. Peñaloza;Oana Tifrea-Marciuska
We present an ontological framework, based on preference rankings, that allows users to express their preferences between the knowledge explicitly available in the ontology. Using this formalism, the answers for a given query to an ontology can be ranked by preference, allowing users to retrieve the most preferred answers only. We provide a host of complexity results for the main computational tasks in this framework, for the general case, and for EL and DL-Lite core as underlying ontology languages.