Calì, A., Gottlob, G., & Pieris, A. (2010). Query Answering under Non−guarded Rules in Datalog+/−.
Chicago-čujuhus (17. p.)Calì, A., G. Gottlob, juo A. Pieris. Query Answering Under Non−guarded Rules in Datalog+/−. 2010.
MLA-čujuhus (9. p.)Calì, A., et al. Query Answering Under Non−guarded Rules in Datalog+/−. 2010.
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