The Challenge of Optional Matching in SPARQL. - Shqiponja Ahmetaj; Wolfgang Fischl; Markus Kröll; Reinhard Pichler; Mantas Simkus; Sebastian Skritek (FoIKS, 2016)

On the Complexity of Enumerating the Answers to Well-designed Pattern Trees. - Markus Kröll; Reinhard Pichler; Sebastian Skritek (ICDT, 2016)

On the Complexity of Enumerating the Extensions of Abstract Argumentation Frameworks. - Markus Kröll; Reinhard Pichler; Stefan Woltran (IJCAI, 2017)

On the Complexity of Hard Enumeration Problems. - Nadia Creignou; Markus Kröll; Reinhard Pichler; Sebastian Skritek; Heribert Vollmer (LATA, 2017)

Efficient Evaluation and Static Analysis for Well-Designed Pattern Trees with Projection. - Pablo Barceló; Markus Kröll; Reinhard Pichler; Sebastian Skritek (ACM Trans. Database Syst., 2018)

Complexity Bounds for Relational Algebra over Document Spanners. - Liat Peterfreund; Dominik D. Freydenberger; Benny Kimelfeld; Markus Kröll (PODS, 2019)

A complexity theory for hard enumeration problems. - Nadia Creignou; Markus Kröll; Reinhard Pichler; Sebastian Skritek; Heribert Vollmer (Discret. Appl. Math., 2019)

Enumeration Complexity of Conjunctive Queries with Functional Dependencies. - Nofar Carmeli; Markus Kröll (Theory Comput. Syst., 2020)

Efficiently enumerating minimal triangulations. - Nofar Carmeli; Batya Kenig; Benny Kimelfeld; Markus Kröll (Discret. Appl. Math., 2021)

On the Enumeration Complexity of Unions of Conjunctive Queries. - Nofar Carmeli; Markus Kröll (ACM Trans. Database Syst., 2021)

CompeGen: Computing Company Competitor Pairs By Knowledge Based Inference Combined With Empirical Validation. - Georg Gottlob; Jinsong Guo; Aditya Jami; Markus Kröll; Stéphane Reissfeldee; Lukas Schweizer; Eric Aichinger; Stefano Sferrazza (Datalog, 2022)

Implementation Model for Digital Retrofit for Sustainable Production. - Markus Kröll; Christian Cseh (ISM, 2022)

Transfer of Logistics Optimizations to Material Flow Resource Optimizations using Quantum Computing. - Raphael Pfister; Gunnar Schubert; Markus Kröll (ISM, 2023)

When Automatic Filtering Comes to the Rescue: Pre-Computing Company Competitor Pairs in Owler. - Jinsong Guo; Aditya Jami; Markus Kröll; Lukas Schweizer; Sergey Paramonov 001; Eric Aichinger; Stefano Sferrazza; Mattia Scaccia; Stéphane Reissfelder; Eda Cicek; Giovanni Grasso 001; Georg Gottlob (Proc. ACM Manag. Data, 2023)