Lanzinger, M. (2021). Tractability beyond β-acyclicity for conjunctive queries with negation. Association for Computing Machinery.
Chicago-viite (17. p.)Lanzinger, M. Tractability Beyond β-acyclicity for Conjunctive Queries with Negation. Association for Computing Machinery, 2021.
MLA-viite (9. p.)Lanzinger, M. Tractability Beyond β-acyclicity for Conjunctive Queries with Negation. Association for Computing Machinery, 2021.
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