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A framework for a modular multi-concept lexicographic closure semantics
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<span title="2020-09-04">2020</span>
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arXiv
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<span class="release-stage" >pre-print</span>
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<span title="2020-09-02">2020</span>
<span class="release-stage" >pre-print</span>
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2009.00964v1">arXiv:2009.00964v1</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/vflw5urcpbh6jcdqkd5k5eyxny">fatcat:vflw5urcpbh6jcdqkd5k5eyxny</a> </span>
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We define a modular multi-concept extension of the lexicographic closure semantics for defeasible description logics with typicality. The idea is that of distributing the defeasible properties of concepts into different modules, according to their subject, and of defining a notion of preference for each module based on the lexicographic closure semantics. The preferential semantics of the knowledge base can then be defined as a combination of the preferences of the single modules. The range of
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... ossibilities, from fine grained to coarse grained modules, provides a spectrum of alternative semantics.
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