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» Description Logics with Concrete Domains and Aggregation
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ECAI
1998
Springer
13 years 8 months ago
Description Logics with Concrete Domains and Aggregation
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
Franz Baader, Ulrike Sattler
IJCAI
2003
13 years 6 months ago
Keys, Nominals, and Concrete Domains
Many description logics (DLs) combine knowledge tation on an abstract, logical level with an interface to “concrete” domains such as numbers and strings. We propose to extend ...
Carsten Lutz, Carlos Areces, Ian Horrocks, Ulrike ...
TABLEAUX
2005
Springer
13 years 10 months ago
A Tableau Algorithm for Description Logics with Concrete Domains and GCIs
In description logics (DLs), concrete domains are used for defining concepts based on concrete qualities of their instances such as the weight, age, duration, and spatial extensio...
Carsten Lutz, Maja Milicic