Publications

Diellza Elshani, Daniel Hernandez, Ali Nakhaee, Anthony A. Arrascue, Steffen Staab, and Thomas Wortmann. geof3D: SPARQL geometric functions for co-designing buildings. Advanced Engineering Informatics, (71):104261, 2026. [PUMA: ac-krbuilding] URL

Xinyi Pan. eSPARQL : design and implementation of a query language for epistemic queries on knowledge graphs. Department of Analytical Computing, Universität Stuttgart, 2024. [PUMA: thesis] URL

Gabriel Timon Glaser. Generating random knowledge graphs from rules. Department of Analytic Computing, Universität Stuttgart, 2024. [PUMA: thesis] URL

Yuqicheng Zhu, Nico Potyka, Daniel Hernández, Yuan He, Zifeng Ding, Bo Xiong, Dongzhuoran Zhou, Evgeny Kharlamov, and Steffen Staab. ArgRAG: Explainable Retrieval Augmented Generation using Quantitative Bipolar Argumentation. Proceedings of Machine Learning Research in 19th Conference on Neurosymbolic Learning and Reasoning, (284):1-22, 2025. URL

Yuqicheng Zhu, Nico Potyka, Daniel Hernández, Yuan He, Zifeng Ding, Bo Xiong, Dongzhuoran Zhou, Evgeny Kharlamov, and Steffen Staab. ArgRAG: Explainable Retrieval Augmented Generation using Quantitative Bipolar Argumentation. Proceedings of Machine Learning Research in 19th Conference on Neurosymbolic Learning and Reasoning, (284):1-22, 2025. [PUMA: myown] URL

Ratan Bahadur Thapa, Daniel Hernández, Nico Brandt, Jan-Felix Klein, Etienne Hoffmann, Steffen Staab, Michael Selzer, and Gisela Lanza. A Roadmap to Create a Knowledge Graph for the Circular Factory for the Perpetual Product. In Eva Blomqvist, Raúl Garc\'ıa-Castro, Daniel Hernández, Pascal Hitzler, Mikael Lindecrantz, and Mar\'ıa Poveda-Villalón (Eds.), Proceedings of The 3rd International Workshop on Knowledge Graphs for Sustainability (KG4S 2025) co-located with the 22nd Extended Semantic Web Conference (ESWC 2025), (4002):46--52, CEUR-WS.org, 2025. [PUMA: ac-circularfactory] URL

Yuqicheng Zhu, Daniel Hernández, Yuan He, Zifeng Ding, Bo Xiong, Evgeny Kharlamov, and Steffen Staab. Predicate-Conditional Conformalized Answer Sets for Knowledge Graph Embeddings. In Wanxiang Che, Joyce Nabende, Ekaterina Shutova, and Mohammad Taher Pilehvar (Eds.), Findings of the Association for Computational Linguistics, ACL 2025, 4145--4167, Association for Computational Linguistics, July 2025. [PUMA: ac ki] URL

Cosimo Gregucci, Bo Xiong, Daniel Hernandez, Lorenzo Loconte, Pasquale Minervini, Steffen Staab, and Antonio Vergari. Is Complex Query Answering Really Complex?. Forty-Second International Conference on Machine Learning, July 2025. [PUMA: ki]

Ylli Sadikaj, Hongkuan Zhou, Lavdim Halilaj, Stefan Schmid, Steffen Staab, and Claudia Plant. MultiADS: Defect-aware Supervision for Multi-type Anomaly Detection and Segmentation in Zero-Shot Learning. Proceedings of the International Conference on Computer Vision, ICCV 2025, October 2025. URL

Osama Mohammed, Jiaxin Pan, Mojtaba Nayyeri, Daniel Hernández, and Steffen Staab. Full-History Graphs with Edge-Type Decoupled Networks for Temporal Reasoning. Proceedings of the 28th European Conference on Artificial Intelligence (ECAI 2025), October 2025. [PUMA: ac ki] URL

Nadeen Fathallah, Daniel Hernández, and Steffen Staab. AccessGuru: Leveraging LLMs to Detect and Correct Web Accessibility Violations in HTML Code. The 27th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS ’25), 25, October 2025. [PUMA: ac ki] URL

Yuqicheng Zhu, Nico Potyka, Jiarong Pan, Bo Xiong, Yunjie He, Evgeny Kharlamov, and Steffen Staab. Conformalized Answer Set Prediction for Knowledge Graph Embedding. In Luis Chiruzzo, Alan Ritter, and Lu Wang (Eds.), Proceedings of the 2025 Conference of the Nations of the Americas Chapter of the Association for Computational Linguistics: Human Language Technologies (Volume 1: Long Papers), 731--750, Association for Computational Linguistics, Albuquerque, New Mexico, April 2025. URL

Diellza Elshani, Alessio Lombardi, Daniel Hernandez, Steffen Staab, Al Fisher, and Thomas Wortmann. AEC Co-design workflow for cross-domain querying and reasoning using Semantic Web Technologies. Automation in Construction, (176):106226, 2025. [PUMA: ac-krbuilding] URL

Zifeng Ding, Jingcheng Wu, Jingpei Wu, Yan Xia, Bo Xiong, and Volker Tresp. Temporal Fact Reasoning over Hyper-Relational Knowledge Graphs. In Yaser Al-Onaizan, Mohit Bansal, and Yun-Nung Chen (Eds.), Findings of the Association for Computational Linguistics: EMNLP 2024, Miami, Florida, USA, November 12-16, 2024, 355--373, Association for Computational Linguistics, 2024. [PUMA: ac-circularfactory] URL

Ali Elhalawati, Anastasia Dimou, Olaf Hartig, and Daniel Hernández. Flexible RML-Based Mapping of Property Graphs to RDF. In Stefania Dumbrava, and Riccardo Tommasini (Eds.), Proceedings of the Workshops of the EDBT/ICDT 2025 Joint Conference (March 25-28, 2025), Barcelona, Spain, CEUR, 2025. [PUMA: ac-circularfactory]

Philipp Seifer, Daniel Hernández, Ralf Lämmel, and Steffen Staab. Inferring SHACL Constraints for Results of Composable Graph Queries (Extended Abstract). In Laura Giordano, Jean Christoph Jung, and Ana Ozaki (Eds.), Proceedings of the 37th International Workshop on Description Logics (DL 2024), Bergen, Norway, June 18-21, 2024, (3739)CEUR-WS.org, June 2024. [PUMA: ac-krbuilding] URL

Juan G. Diaz Ochoa, Faizan E. Mustafa, Felix Weil, Yi Wang, Kudret Kama, and Markus Knott. The aluminum standard: using generative Artificial Intelligence tools to synthesize and annotate non-structured patient data. BMC Medical Informatics and Decision Making, 2024. [PUMA: ac-ai4medcode] URL

Yunjie He, Daniel Hernandez, Mojtaba Nayyeri, Bo Xiong, Yuqicheng Zhu, Evgeny Kharlamov, and Steffen Staab. Generating SROI- Ontologies via Knowledge Graph Query Embedding Learning. ECAI 2024, (392):4279 - 4286, IOS Press, October 2024. [PUMA: ac ki] URL

Yunjie He, Bo Xiong, Daniel Hernández, Yuqicheng Zhu, Evgeny Kharlamov, and Steffen Staab. DAGE: DAG Query Answering via Relational Combinator with Logical Constraints. THE WEB CONFERENCE 2025, 2025. [PUMA: ac ki] URL

Nadeen Fathallah, Monika Bhole, and Steffen Staab. Empowering the Deaf and Hard of Hearing Community: Improving Video Captions with Large Language Models. In Proceedings of the 11th International Conference on Software Development and Technologies for Enhancing Accessibility and Fighting Info-exclusion., 2024. [PUMA: ac-ikileus]