Alexander Bigerl

12 papers B 1Misc 2Journal 3Unranked 5
YearRankTypeTitle / Venue / Authors
2025 — conf
Efficient Updates for Worst-Case Optimal Join Triple Stores.
ISWC (1)
Alexander Bigerl, Nikolaos Karalis, Liss Heidrich, Axel-Cyrille Ngonga Ngomo
2025 J jnl
Ontolearn - A Framework for Large-scale OWL Class Expression Learning in Python.
J. Mach. Learn. Res.
Caglar Demir, Alkid Baci, N'Dah Jean Kouagou, Leonie Nora Sieger, Stefan Heindorf, Simon Bin, Lukas Blübaum, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
2025 J jnl
Ontolearn-A Framework for Large-scale OWL Class Expression Learning in Python.
CoRR
Caglar Demir, Alkid Baci, N'Dah Jean Kouagou, Leonie Nora Sieger, Stefan Heindorf, Simon Bin, Lukas Blübaum, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
2024 — conf
Efficient Evaluation of Conjunctive Regular Path Queries Using Multi-way Joins.
ESWC (1)
Nikolaos Karalis, Alexander Bigerl, Liss Heidrich, Mohamed Ahmed Sherif, Axel-Cyrille Ngonga Ngomo
2024 — conf
Evaluating Negation with Multi-way Joins Accelerates Class Expression Learning.
ECML/PKDD (6)
Nikolaos Karalis, Alexander Bigerl, Caglar Demir, Liss Heidrich, Axel-Cyrille Ngonga Ngomo
2024 J jnl
Native Execution of GraphQL Queries over RDF Graphs Using Multi-way Joins.
CoRR
Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
2023 — ch.
Class Expression Learning with Multiple Representations.
Compendium of Neurosymbolic Artificial Intelligence
Axel-Cyrille Ngonga Ngomo, Caglar Demir, N'Dah Jean Kouagou, Stefan Heindorf, Nikolaos Karalis, Alexander Bigerl
2023 Misc conf
Native Execution of GraphQL Queries over RDF Graphs Using Multi-Way Joins.
SEMANTiCS
Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
2022 Misc conf
Hashing the Hypertrie: Space- and Time-Efficient Indexing for SPARQL in Tensors.
ISWC
Alexander Bigerl, Lixi Conrads, Charlotte Behning, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo
2022 — conf
Rapid Explainability for Skill Description Learning.
ISWC (Posters/Demos/Industry)
Caglar Demir, Anna Himmelhuber, Yushan Liu, Alexander Bigerl, Diego Moussallem, Axel-Cyrille Ngonga Ngomo
2021 B conf
Efficient RDF Knowledge Graph Partitioning Using Querying Workload.
K-CAP
Adnan Akhter, Muhammad Saleem, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
2020 — conf
Tentris - A Tensor-Based Triple Store.
ISWC (1)
Alexander Bigerl, Felix Conrads, Charlotte Behning, Mohamed Ahmed Sherif, Muhammad Saleem, Axel-Cyrille Ngonga Ngomo