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Jens Lehmann
Jens Lehmann
Principal Scientist at Amazon Inc., Honorary Professor at TU Dresden
Verified email at amazon.com - Homepage
Title
Cited by
Year
Additions to the subfamily Acanthohoplitinae from the British Isles, including the first verifiable record of Acanthohoplites (Lower Cretaceous, upper Aptian)
J Lehmann, HM Bayliss
Cretaceous Research 162, 105921, 2024
2024
Deep Nonnegative Matrix Factorization with Joint Global and Local Structure Preservation
F Saberi-Movahed, B Biswas, P Tiwari, J Lehmann, S Vahdati
Expert Systems with Applications 249, 123645, 2024
2024
Beyond boundaries: A human-like approach for question answering over structured and unstructured information sources
J Lehmann, D Bhandiwad, P Gattogi, S Vahdati
Transactions of the Association for Computational Linguistics 12, 786-802, 2024
12024
Large Language Models for Scientific Question Answering: An Extensive Analysis of the SciQA Benchmark
J Lehmann, A Meloni, E Motta, F Osborne, DR Recupero, AA Salatino, ...
European Semantic Web Conference, 199-217, 2024
2024
Enhancing Contextual Understanding in Large Language Models through Contrastive Decoding
Z Zhao, E Monti, J Lehmann, H Assem
arXiv preprint arXiv:2405.02750, 2024
2024
Knowledge GeoGebra: Leveraging Geometry of Relation Embeddings in Knowledge Graph Completion
K Amouzouvi, B Song, S Vahdati, J Lehmann
Proceedings of the 2024 Joint International Conference on Computational …, 2024
2024
REXEL: An end-to-end model for document-level relation extraction and entity linking
N Bouziani, S Tyagi, J Fisher, J Lehmann, A Pierleoni
arXiv preprint arXiv:2404.12788, 2024
2024
Investigating Multilingual Instruction-Tuning: Do Polyglot Models Demand for Multilingual Instructions?
AA Weber, K Thellmann, J Ebert, N Flores-Herr, J Lehmann, M Fromm, ...
arXiv preprint arXiv:2402.13703, 2024
2024
MReFinED: An efficient end-to-end multilingual entity linking system
P Limkonchotiwat, W Cheng, C Christodoulopoulos, A Saffari, J Lehmann
Findings of the Association for Computational Linguistics: EMNLP 2023, 15080 …, 2023
2023
Invite: a testbed of automatically generated invalid questions to evaluate large language models for hallucinations
A Ramakrishna, R Gupta, J Lehmann, M Ziyadi
Findings of the Association for Computational Linguistics: EMNLP 2023, 5422-5429, 2023
22023
Integrating Knowledge Graph Embeddings and Pre-trained Language Models in Hypercomplex Spaces
M Nayyeri, Z Wang, MM Akter, MM Alam, MRAH Rony, J Lehmann, ...
International Semantic Web Conference, 388-407, 2023
62023
Retention Is All You Need
K Mohiuddin, MA Alam, MM Alam, P Welke, M Martin, J Lehmann, ...
Proceedings of the 32nd ACM International Conference on Information and …, 2023
12023
Anomaly Detection for Numerical Literals in Knowledge Graphs: A Short Review of Approaches
FB Moghaddam, J Lehmann, H Jabeen
2023 IEEE Sixth International Conference on Artificial Intelligence and …, 2023
2023
Distinct Geometrical Representations for Temporal and Relational Structures in Knowledge Graphs
B Song, C Xu, K Amouzouvi, M Wang, J Lehmann, S Vahdati
Joint European Conference on Machine Learning and Knowledge Discovery in …, 2023
2023
Efficient computation of comprehensive statistical information of large OWL datasets: a scalable approach
H Mohamed, S Fathalla, J Lehmann, H Jabeen
Enterprise Information Systems 17 (7), 2062683, 2023
12023
Knowledge graph embeddings using neural ito process: From multiple walks to stochastic trajectories
M Nayyeri, B Xiong, M Mohammadi, MM Akter, MM Alam, J Lehmann, ...
Findings of the Association for Computational Linguistics: ACL 2023, 7165-7179, 2023
22023
SimE4KG: Distributed and Explainable Multi-Modal Semantic Similarity Estimation for Knowledge Graphs
CF Draschner, H Jabeen, J Lehmann
International Journal of Semantic Computing 17 (02), 199-221, 2023
12023
Direct fact retrieval from knowledge graphs without entity linking
J Baek, AF Aji, J Lehmann, SJ Hwang
arXiv preprint arXiv:2305.12416, 2023
92023
Expad: An explainable distributed automatic anomaly detection framework over large kgs
FB Moghaddam, J Lehmann, H Jabeen
2023 IEEE 17th International Conference on Semantic Computing (ICSC), 204-211, 2023
12023
Toward the multilingual semantic web: Multilingual ontology matching and assessment
S Ibrahim, S Fathalla, J Lehmann, H Jabeen
IEEE Access 11, 8581-8599, 2023
72023
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