Stefan Mengel - CNRS researcher, accredited to supervise research
Personal Data
- 03 21 79 17 70
- mengel@cril-lab.fr
- http://www.cril.univ-artois.fr/~mengel/
https://orcid.org/0000-0003-1386-8784- idHalstefan-mengel
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- fac
UFR des Sciences Jean Perrin
Rue Jean Souvraz SP 18
62307 Lens Cedex
France
Degree prepared or obtained while being at CRIL
- Habilitation : Counting, Knowledge Compilation and Applications 2021-12-08
Research Axes
- Data
- Constraints
- Knowledge
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Recent Projects
- ANR PRC PING/ACK 2019-2023
- ANR PRCI EQUUS 2020-2023
Current PhD student
- Chi Tran Nguyen Duong : Learning Interpretable Circuits
Software
Publications
International journals
2022 Stefan Mengel, No Efficient Disjunction or Conjunction of Switch-Lists in Journal on Satisfiability, Boolean Modeling and Computation,vol. 13, n° 1, pp. 1-4, 2022.
2021 Stefan Mengel, Antoine Amarilli, Pierre Bourhis, Matthias Niewerth, Constant-Delay Enumeration for Nondeterministic Document Spanners in ACM Transactions on Database Systems,vol. 46, n° 1, pp. 1-30, 2021.
2021 Stefan Mengel, Sebastian Skritek, Characterizing Tractability of Simple Well-Designed Pattern Trees with Projection in Theory of Computing Systems,vol. 65, n° 1, pp. 3-41, 2021.
2020 Antoine Amarilli, Pierre Bourhis, Stefan Mengel, Matthias Niewerth, Constant-Delay Enumeration for Nondeterministic Document Spanners in SIGMOD record,vol. 49, n° 1, pp. 25-32, 2020.
2020 Stefan Mengel, Romain Wallon, Graph Width Measures for CNF-Encodings with Auxiliary Variables in Journal of Artificial Intelligence Research,vol. 67, pp. 409-436, 2020.
2019 Mike Behrisch, Miki Hermann, Stefan Mengel, Gernot Salzer, Minimal Distance of Propositional Models in Theory of Computing Systems,vol. 63, n° 6, pp. 1131-1184, 2019.
2018 Stefan Mengel, Lower bounds on the mim-width of some graph classes in Discrete Applied Mathematics,vol. 248, pp. 28-32, 2018.
2018 Christian Ikenmeyer, Stefan Mengel, On the relative power of reduction notions in arithmetic circuit complexity in Information Processing Letters,vol. 130, pp. 7-10, 2018.
2016 Florent Capelli, Arnaud Durand, Stefan Mengel, The Arithmetic Complexity of Tensor Contraction in Theory of Computing Systems,vol. 58, n° 4, pp. 506 - 527, 2016.
International conferences
2022 Stefan Mengel, Changing Partitions in Rectangle Decision Lists in 25th International Conference on Theory and Applications of Satisfiability Testing (SAT 2022),vol. 236, pp. 17:1--17:20, 2022.
2022 Karl Bringmann, Nofar Carmeli, Stefan Mengel, Tight Fine-Grained Bounds for Direct Access on Join Queries in SIGMOD/PODS '22: International Conference on Management of Data,ACM, pp. 427-436, 2022.
2022 Alexis De Colnet, Stefan Mengel, Lower Bounds on Intermediate Results in Bottom-Up Knowledge Compilation in Thirty-Sixth AAAI Conference on Artificial Intelligence, AAAI 2022,vol. 36, pp. 5564-5572, 2022.
2021 Stefan Mengel, Alexis de Colnet, Characterizing Tseitin-Formulas with Short Regular Resolution Refutations in 24th International Conference Theory and Applications of Satisfiability Testing - SAT 2021,Springer International Publishing, vol. 12831, pp. 116-133, 2021.
2021 Stefan Mengel, Friedrich Slivovsky, Proof Complexity of Symbolic QBF Reasoning in 24th International Conference Theory and Applications of Satisfiability Testing (SAT 2021),Springer International Publishing, vol. 12831, pp. 399-416, 2021.
2021 Alexis de Colnet, Stefan Mengel, A Compilation of Succinctness Results for Arithmetic Circuits in 18th International Conference on Principles of Knowledge Representation and Reasoning, KR 2021,2021.
2020 Alexis de Colnet, Stefan Mengel, Lower Bounds for Approximate Knowledge Compilation in Twenty-Ninth International Joint Conference on Artificial Intelligence and Seventeenth Pacific Rim International Conference on Artificial Intelligence {IJCAI-PRICAI-20},International Joint Conferences on Artificial Intelligence Organization, pp. 1834-1840, 2020.
2020 Daniel Le Berre, Pierre Marquis, Stefan Mengel, Romain Wallon, On Irrelevant Literals in Pseudo-Boolean Constraint Learning in 29th International Joint Conference on Artificial Intelligence (IJCAI'20),International Joint Conferences on Artificial Intelligence Organization, pp. 1148-1154, 2020.
2019 Antoine Amarilli, Pierre Bourhis, Stefan Mengel, Matthias Niewerth, Constant-Delay Enumeration for Nondeterministic Document Spanners in ICDT,2019.
2019 Florent Capelli, Stefan Mengel, Tractable QBF by Knowledge Compilation in 36th International Symposium on Theoretical Aspects of Computer Science (STACS 2019),2019.
2019 Daniel Le Berre, Pierre Marquis, Stefan Mengel, Romain Wallon, On Irrelevant Literals in Pseudo-Boolean Constraint Learning in 10th International Workshop on Pragmatics of SAT (POS'19),2019.
2019 Stefan Mengel, Sebastian Skritek, Characterizing Tractability of Simple Well-Designed Pattern Trees with Projection in International Conference on Database Theory,2019.
2019 Stefan Mengel, Romain Wallon, Revisiting Graph Width Measures for CNF-Encodings in 22nd International Conference on Theory and Applications of Satisfiability Testing (SAT'19),pp. 222-238, 2019.
2019 Antoine Amarilli, Pierre Bourhis, Stefan Mengel, Matthias Niewerth, Enumeration on Trees with Tractable Combined Complexity and Efficient Updates in PODS,ACM Press, pp. 89-103, 2019.
2018 Daniel Le Berre, Pierre Marquis, Stefan Mengel, Romain Wallon, Pseudo-Boolean Constraints from a Knowledge Representation Perspective in 27th International Joint Conference on Artificial Intelligence (IJCAI'18),International Joint Conferences on Artificial Intelligence Organization, pp. 1891-1897, 2018.
2018 Antoine Amarilli, Pierre Bourhis, Stefan Mengel, Enumeration on Trees under Relabelings in 21st International Conference on Database Theory,ICDT 2018,2018.
2017 Antoine Amarilli, Pierre Bourhis, Louis Jachiet, Stefan Mengel, A Circuit-Based Approach to Efficient Enumeration in ICALP 2017 - 44th International Colloquium on Automata, Languages, and Programming,pp. 1-15, 2017.
2017 Hubie Chen, Stefan Mengel, The logic of counting query answers in 32nd Annual ACM/IEEE Symposium on Logic in Computer Science (LICS'17),IEEE Computer Society, pp. 1-12, 2017.
2016 Stefan Mengel, Parameterized Compilation Lower Bounds for Restricted CNF-Formulas in 19th International Conference on Theory and Applications of Satisfiability Testing (SAT'16),Springer, pp. 3--12, 2016.
2016 Mike Behrisch, Miki Hermann, Stefan Mengel, Gernot Salzer, As Close as It Gets in 10th International Workshop on Algorithms and Computation (WALCOM '16),Springer, pp. 222--235, 2016.
2016 Simone Bova, Florent Capelli, Stefan Mengel, Friedrich Slivovsky, Knowledge Compilation Meets Communication Complexity in 25th International Joint Conference on Artificial Intelligence (IJCAI'16),IJCAI/AAAI Press, pp. 1008--1014, 2016.
2016 Mike Behrisch, Miki Hermann, Stefan Mengel, Gernot Salzer, The Next Whisky Bar in 11th International Computer Science Symposium in Russia (CSR'16),Springer, pp. 41--56, 2016.
2016 Hubie Chen, Stefan Mengel, Counting Answers to Existential Positive Queries: A Complexity Classification in 35th ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems (PODS'16),ACM, pp. 315--326, 2016.
National conferences
2019 Daniel Le Berre, Pierre Marquis, Stefan Mengel, Romain Wallon, De la pertinence des littéraux dans les contraintes pseudo-booléennes apprises in 15es Journées Francophones de Programmation par Contraintes (JFPC’19),pp. 43-52, 2019.
2018 Michael Lampis, Stefan Mengel, Valia Mitsou, QBF as an Alternative to Courcelle’s Theorem in 21st International Conference on Theory and Applications of Satisfiability Testing – SAT 2018,pp. 235-252, 2018.
Former PhD students
- Alexis de Colnet : Hard Functions in Knowledge Compilation: from Lower Bounds to Applications defended on : 2022-09-26
- Romain Wallon : Pseudo-Boolean Reasoning and Compilation defended on : 2020-12-14
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Old Projects
- PEPS JCJC INS2I CODA 2017
- Projet PHC Barrande France / République Tchèque KC4CP 2017-2018