Feb 13, 2019 · We study the potentially easier problem of counting all selected tuples, rather than enumerating them. In particular, we are interested in the ...
In the present work, we are able to further extend (our finer version of) the classification to existential formulas that may have negations on constraints ...
In the present work, we are able to further extend (our finer version of) the classification to existential formulas that may have negations on constraints ...
Counting Answers to Existential Questions ; English · International Colloquium on Automata, Languages, and Programming (ICALP 2019) · Dagstuhl Publishing, Germany.
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Jul 4, 2019 · Counting Answers to Existential Positive Queries: A Complexity Classification. In Proceedings of the 35th ACM SIGMOD-SIGACT-SIGAI Symposium on ...
Feb 13, 2019 · For answering Boolean conjunctive queries and for the more general problem of counting the number of solutions of k-ary queries we obtain ...
Feb 13, 2019 · Counting Answers to Existential Questions · 26 Citations · 55 References.
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Jan 16, 2019 · Why is there a universe? It just goes on forever. The fact that anything even exists sometimes just really blows me away.
This work considers the complexity of counting the number of answers to existential positive formulas on finite structures and gives a trichotomy theorem on ...
Sep 2, 2019 · Because the nature of existential questions is that the answers are impossible to verify. If an answer is plausible, and gives you comfort, run ...