The model counting competition 2020

JK Fichte, M Hecher, F Hamiti - Journal of Experimental Algorithmics …, 2021 - dl.acm.org
Many computational problems in modern society account to probabilistic reasoning,
statistics, and combinatorics. A variety of these real-world questions can be solved by …

Selection of database management system by using multi-attribute decision-making approach based on probability complex fuzzy aggregation operators

U ur Rehman - Journal of Innovative Research in Mathematical …, 2023 - jirmcs.agasr.org
A database management system (DBMS) is a piece of software that makes it easier to
create, organize, store, retrieve, and manage structured data. It functions as a central system …

Treewidth-aware reductions of normal ASP to SAT–Is normal ASP harder than SAT after all?

M Hecher - Artificial Intelligence, 2022 - Elsevier
Abstract Answer Set Programming (ASP) is a paradigm for modeling and solving problems
for knowledge representation and reasoning. There are plenty of results dedicated to …

Rushing and strolling among answer sets–navigation made easy

JK Fichte, SA Gaggl, D Rusovac - … of the AAAI Conference on Artificial …, 2022 - ojs.aaai.org
Answer set programming (ASP) is a popular declarative programming paradigm with a wide
range of applications in artificial intelligence. Oftentimes, when modeling an AI problem with …

DPMC: weighted model counting by dynamic programming on project-join trees

JM Dudek, VHN Phan, MY Vardi - … on Principles and Practice of Constraint …, 2020 - Springer
We propose a unifying dynamic-programming framework to compute exact literal-weighted
model counts of formulas in conjunctive normal form. At the center of our framework are …

[PDF][PDF] Plausibility Reasoning via Projected Answer Set Counting-A Hybrid Approach.

JK Fichte, M Hecher, MA Nadeem, TU Dresden - IJCAI, 2022 - ijcai.org
Answer set programming is a form of declarative programming widely used to solve difficult
search problems. Probabilistic applications however require to go beyond simple search for …

Taming high treewidth with abstraction, nested dynamic programming, and database technology

M Hecher, P Thier, S Woltran - … of Satisfiability Testing–SAT 2020: 23rd …, 2020 - Springer
Treewidth is one of the most prominent structural parameters. While numerous theoretical
results establish tractability under the assumption of fixed treewidth, the practical success of …

Solving projected model counting by utilizing treewidth and its limits

JK Fichte, M Hecher, M Morak, P Thier, S Woltran - Artificial Intelligence, 2023 - Elsevier
In this paper, we introduce a novel algorithm to solve projected model counting (PMC). PMC
asks to count solutions of a Boolean formula with respect to a given set of projection …

Procount: Weighted projected model counting with graded project-join trees

JM Dudek, VHN Phan, MY Vardi - … of Satisfiability Testing–SAT 2021: 24th …, 2021 - Springer
Recent work in weighted model counting proposed a unifying framework for dynamic-
programming algorithms. The core of this framework is a project-join tree: an execution plan …

Lower bounds for QBFs of bounded treewidth

JK Fichte, M Hecher, A Pfandler - Proceedings of the 35th Annual ACM …, 2020 - dl.acm.org
The problem of deciding the validity (QSat) of quantified Boolean formulas (QBF) is a vivid
research area in both theory and practice. In the field of parameterized algorithmics, the well …