DL-Lite with Attributes and Datatypes

  title={DL-Lite with Attributes and Datatypes},
  author={Alessandro Artale and Vladislav Ryzhikov and Roman Kontchakov},
We extend the DL-Lite languages by means of attributes and datatypes. Attributes—a notion borrowed from data models— associate concrete values from datatypes to abstract objects and in this way complement roles, which describe relationships between abstract objects. The extended languages remain tractable (with a notable exception) even though they contain both existential and (a limited form of) universal quantification. We present complexity results for two most important reasoning problems… CONTINUE READING

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