树上结蜜糖 发表于 2025-3-23 12:26:08
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Revisiting the Hardness of Query Answering in Expressive Description Logics we revisit these results to identify other equally hard settings. In particular, we show that a simple adaptation of the proof for . proves that query answering is 2ExpTime-hard already for . if we consider more expressive query languages such as positive existential queries and (restricted classes of) conjunctive regular path queries.小官 发表于 2025-3-24 03:29:54
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Cristina Gioia Di Camillo,Giorgio Bavestrello,Carlo Cerrano,Cinzia Gravili,Stefano Piraino,Stefania estigating the boundary between texts and maps, the traditio.Media Boundaries and Conceptual Modelling. forms part of the humanities tradition by facing one of the fundamental problems since antiquity: how different media represent the world we live in. It intersects also with the digital by addressDAFT 发表于 2025-3-24 16:39:03
Henk de Weijervorstellbar. „Starke Zivil- und Bürgergesellschaft mit zur Selbsthilfe fähigen und motivierten Bürgern ist nur komplementär zu einem starkem Staat denkbar (öffentlich finanziertes Gemeinwesen, das individuelle Freiheit durch geeignete Rahmenbedingungen erst ermöglicht).“ (Hank/Erlinghagen 2008: 21)fallible 发表于 2025-3-24 22:45:48
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