Jens Lehmann

ORCID

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 289

Top Venues

Publications

Jens Lehmann, Antonello Meloni, Enrico Motta, Francesco Osborne, Diego Reforgiato Recupero, Angelo Antonio Salatino, Sahar Vahdati
Large Language Models for Scientific Question Answering: An Extensive Analysis of the SciQA Benchmark. ESWC (1) (2024)
Zheng Zhao, Emilio Monti, Jens Lehmann, Haytham Assem
Enhancing Contextual Understanding in Large Language Models through Contrastive Decoding. CoRR (2024)
Dongkyu Lee, Chandana Satya Prakash, Jack FitzGerald, Jens Lehmann
MATTER: Memory-Augmented Transformer Using Heterogeneous Knowledge Sources. CoRR (2024)
Dongkyu Lee, Chandana Satya Prakash, Jack FitzGerald, Jens Lehmann
MATTER: Memory-Augmented Transformer Using Heterogeneous Knowledge Sources. ACL (Findings) (2024)
Farid Saberi-Movahed, Bitasta Biswas, Prayag Tiwari, Jens Lehmann, Sahar Vahdati
Deep Nonnegative Matrix Factorization with Joint Global and Local Structure Preservation. Expert Syst. Appl. 249 (2024)
Alexander Arno Weber, Klaudia Thellmann, Jan Ebert, Nicolas Flores-Herr, Jens Lehmann, Michael Fromm, Mehdi Ali
Investigating Multilingual Instruction-Tuning: Do Polyglot Models Demand for Multilingual Instructions? CoRR (2024)
Kossi Amouzouvi, Bowen Song, Sahar Vahdati, Jens Lehmann
Knowledge GeoGebra: Leveraging Geometry of Relation Embeddings in Knowledge Graph Completion. LREC/COLING (2024)
Nacime Bouziani, Shubhi Tyagi, Joseph Fisher, Jens Lehmann, Andrea Pierleoni
REXEL: An End-to-end Model for Document-Level Relation Extraction and Entity Linking. CoRR (2024)
Zheng Zhao, Emilio Monti, Jens Lehmann, Haytham Assem
Enhancing Contextual Understanding in Large Language Models through Contrastive Decoding. NAACL-HLT (2024)
Prayag Tiwari, Farid Saberi Movahed, Saeed Karami, Farshad Saberi-Movahed, Jens Lehmann, Sahar Vahdati
A Self-Representation Learning Method for Unsupervised Feature Selection using Feature Space Basis. Trans. Mach. Learn. Res. 2024 (2024)
Jens Lehmann, Dhananjay Bhandiwad, Preetam Gattogi, Sahar Vahdati
Beyond Boundaries: A Human-like Approach for Question Answering over Structured and Unstructured Information Sources. Trans. Assoc. Comput. Linguistics 12 (2024)
Peerat Limkonchotiwat, Weiwei Cheng, Christos Christodoulopoulos, Amir Saffari, Jens Lehmann
mReFinED: An Efficient End-to-End Multilingual Entity Linking System. EMNLP (Findings) (2023)
Mojtaba Nayyeri, Chengjin Xu, Mirza Mohtashim Alam, Jens Lehmann, Hamed Shariat Yazdi
LogicENN: A Neural Based Knowledge Graphs Embedding Model With Logical Rules. IEEE Trans. Pattern Anal. Mach. Intell. 45 (6) (2023)
Jens Lehmann, Sébastien Ferré, Sahar Vahdati
Language Models as Controlled Natural Language Semantic Parsers for Knowledge Graph Question Answering. ECAI (2023)
Carsten Felix Draschner, Hajira Jabeen, Jens Lehmann
SimE4KG: Distributed and Explainable Multi-Modal Semantic Similarity Estimation for Knowledge Graphs. Int. J. Semantic Comput. 17 (2) (2023)
Shimaa Ibrahim, Said Fathalla, Jens Lehmann, Hajira Jabeen
Toward the Multilingual Semantic Web: Multilingual Ontology Matching and Assessment. IEEE Access 11 (2023)
Heba Mohamed, Said Fathalla, Jens Lehmann, Hajira Jabeen
Efficient computation of comprehensive statistical information of large OWL datasets: a scalable approach. Enterp. Inf. Syst. 17 (7) (2023)
Bowen Song, Chengjin Xu, Kossi Amouzouvi, Maocai Wang, Jens Lehmann, Sahar Vahdati
Distinct Geometrical Representations for Temporal and Relational Structures in Knowledge Graphs. ECML/PKDD (3) (2023)
Karishma Mohiuddin, Mirza Ariful Alam, Mirza Mohtashim Alam, Pascal Welke, Michael Martin, Jens Lehmann, Sahar Vahdati
Retention Is All You Need. CoRR (2023)
Karishma Mohiuddin, Mirza Ariful Alam, Mirza Mohtashim Alam, Pascal Welke, Michael Martin, Jens Lehmann, Sahar Vahdati
Retention is All You Need. CIKM (2023)
Farshad Bakhshandegan Moghaddam, Jens Lehmann, Hajira Jabeen
Anomaly Detection for Numerical Literals in Knowledge Graphs: A Short Review of Approaches. AIKE (2023)
Anil Ramakrishna, Rahul Gupta, Jens Lehmann, Morteza Ziyadi
INVITE: a Testbed of Automatically Generated Invalid Questions to Evaluate Large Language Models for Hallucinations. EMNLP (Findings) (2023)
Mojtaba Nayyeri, Zihao Wang, Mst. Mahfuja Akter, Mirza Mohtashim Alam, Md. Rashad Al Hasan Rony, Jens Lehmann, Steffen Staab
Integrating Knowledge Graph Embeddings and Pre-trained Language Models in Hypercomplex Spaces. ISWC (2023)
Chengjin Xu, Mojtaba Nayyeri, Yung-Yu Chen, Jens Lehmann
Geometric Algebra Based Embeddings for Static and Temporal Knowledge Graph Completion. IEEE Trans. Knowl. Data Eng. 35 (5) (2023)
Farshad Bakhshandegan Moghaddam, Jens Lehmann, Hajira Jabeen
ExPAD: An Explainable Distributed Automatic Anomaly Detection Framework over Large KGs. ICSC (2023)
Mojtaba Nayyeri, Bo Xiong, Majid Mohammadi, Mst. Mahfuja Akter, Mirza Mohtashim Alam, Jens Lehmann, Steffen Staab
Knowledge Graph Embeddings using Neural Ito Process: From Multiple Walks to Stochastic Trajectories. ACL (Findings) (2023)
Mirza Mohtashim Alam, Md. Rashad Al Hasan Rony, Mojtaba Nayyeri, Karishma Mohiuddin, M. S. T. Mahfuja Akter, Sahar Vahdati, Jens Lehmann
Language Model Guided Knowledge Graph Embeddings. IEEE Access 10 (2022)
Patrick Westphal, Tobias Grubenmann, Diego Collarana, Simon Bin, Lorenz Bühmann, Jens Lehmann
Spatial concept learning and inference on geospatial polygon data. Knowl. Based Syst. 241 (2022)
Chengjin Xu, Fenglong Su, Bo Xiong, Jens Lehmann
Time-aware Entity Alignment using Temporal Relational Attention. WWW (2022)
Md. Rashad Al Hasan Rony, Liubov Kovriguina, Debanjan Chaudhuri, Ricardo Usbeck, Jens Lehmann
RoMe: A Robust Metric for Evaluating Natural Language Generation. CoRR (2022)
Mojtaba Nayyeri, Zihao Wang, Mst. Mahfuja Akter, Mirza Mohtashim Alam, Md. Rashad Al Hasan Rony, Jens Lehmann, Steffen Staab
Integrating Knowledge Graph embedding and pretrained Language Models in Hypercomplex Spaces. CoRR (2022)
Mehdi Ali, Max Berrendorf, Mikhail Galkin, Veronika Thost, Tengfei Ma, Volker Tresp, Jens Lehmann
Improving Inductive Link Prediction Using Hyper-Relational Facts (Extended Abstract). IJCAI (2022)
Endri Kacupaj, Kuldeep Singh, Maria Maleshkova, Jens Lehmann
Contrastive Representation Learning for Conversational Question Answering over Knowledge Graphs. CIKM (2022)
Chengjin Xu, Fenglong Su, Jens Lehmann
Time-aware Graph Neural Networks for Entity Alignment between Temporal Knowledge Graphs. CoRR (2022)
Chengjin Xu, Mojtaba Nayyeri, Yung-Yu Chen, Jens Lehmann
Geometric Algebra based Embeddings for Static and Temporal Knowledge Graph Completion. CoRR (2022)
Mehdi Ali, Max Berrendorf, Charles Tapley Hoyt, Laurent Vermue, Mikhail Galkin, Sahand Sharifzadeh, Asja Fischer, Volker Tresp, Jens Lehmann
Bringing Light Into the Dark: A Large-Scale Evaluation of Knowledge Graph Embedding Models Under a Unified Framework. IEEE Trans. Pattern Anal. Mach. Intell. 44 (12) (2022)
Md. Rashad Al Hasan Rony, Liubov Kovriguina, Debanjan Chaudhuri, Ricardo Usbeck, Jens Lehmann
RoMe: A Robust Metric for Evaluating Natural Language Generation. ACL (1) (2022)
Klaudia-Doris Thellmann, Bernhard Stadler, Ricardo Usbeck, Jens Lehmann
Transformer with Tree-order Encoding for Neural Program Generation. CoRR (2022)
Md. Rashad Al Hasan Rony, Ricardo Usbeck, Jens Lehmann
DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation. NAACL-HLT (Findings) (2022)
Carsten Felix Draschner, Hajira Jabeen, Jens Lehmann
SimE4KG: Distributed and Explainable Multi-Modal Semantic Similarity Estimation for Knowledge Graphs. AIKE (2022)
Mirza Mohtashim Alam, Md. Rashad Al Hasan Rony, Semab Ali, Jens Lehmann, Sahar Vahdati
Language Model-driven Negative Sampling. CoRR (2022)
Md. Rashad Al Hasan Rony, Ying Zuo, Liubov Kovriguina, Roman Teucher, Jens Lehmann
Climate Bot: A Machine Reading Comprehension System for Climate Change Question Answering. IJCAI (2022)
Endri Kacupaj, Kuldeep Singh, Maria Maleshkova, Jens Lehmann
An Answer Verbalization Dataset for Conversational Question Answerings over Knowledge Graphs. CoRR (2022)
Md. Rashad Al Hasan Rony, Debanjan Chaudhuri, Ricardo Usbeck, Jens Lehmann
Tree-KGQA: An Unsupervised Approach for Question Answering Over Knowledge Graphs. IEEE Access 10 (2022)
Cedric Möller, Jens Lehmann, Ricardo Usbeck
Survey on English Entity Linking on Wikidata: Datasets and approaches. Semantic Web 13 (6) (2022)
Farshad Bakhshandegan Moghaddam, Jens Lehmann, Hajira Jabeen
DistAD: A Distributed Generic Anomaly Detection Framework over Large KGs. ICSC (2022)
Md. Rashad Al Hasan Rony, Ricardo Usbeck, Jens Lehmann
DialoKG: Knowledge-Structure Aware Task-Oriented Dialogue Generation. CoRR (2022)
Carsten Felix Draschner, Hajira Jabeen, Jens Lehmann
Ethical and Sustainability Considerations for Knowledge Graph based Machine Learning. AIKE (2022)
Md. Rashad Al Hasan Rony, Uttam Kumar, Roman Teucher, Liubov Kovriguina, Jens Lehmann
SGPT: A Generative Approach for SPARQL Query Generation From Natural Language Questions. IEEE Access 10 (2022)
Mojtaba Nayyeri, Sahar Vahdati, Md Tansen Khan, Mirza Mohtashim Alam, Lisa Wenige, Andreas Behrend, Jens Lehmann
Dihedron Algebraic Embeddings for Spatio-Temporal Knowledge Graph Completion. ESWC (2022)
Endri Kacupaj, Kuldeep Singh, Maria Maleshkova, Jens Lehmann
Contrastive Representation Learning for Conversational Question Answering over Knowledge Graphs. CoRR (2022)
Mojtaba Nayyeri, Chengjin Xu, Franca Hoffmann, Mirza Mohtashim Alam, Jens Lehmann, Sahar Vahdati
Knowledge Graph Representation Learning using Ordinary Differential Equations. EMNLP (1) (2021)
Heba Mohamed, Said Fathalla, Jens Lehmann, Hajira Jabeen
A Scalable Approach for Distributed Reasoning over Large-scale OWL Datasets. KEOD (2021)
Farshad Bakhshandegan Moghaddam, Carsten Felix Draschner, Jens Lehmann, Hajira Jabeen
Semantic Web Analysis with Flavor of Micro-Services. LAMBDA-PhD (2021)
Joan Plepi, Endri Kacupaj, Kuldeep Singh, Harsh Thakkar, Jens Lehmann
Context Transformer with Stacked Pointer Networks for Conversational Question Answering over Knowledge Graphs. ESWC (2021)
Joan Plepi, Endri Kacupaj, Kuldeep Singh, Harsh Thakkar, Jens Lehmann
Context Transformer with Stacked Pointer Networks for Conversational Question Answering over Knowledge Graphs. CoRR (2021)
Rostislav Nedelchev, Jens Lehmann, Ricardo Usbeck
Proxy Indicators for the Quality of Open-domain Dialogues. EMNLP (1) (2021)
Fabian Galetzka, Jewgeni Rose, David Schlangen, Jens Lehmann
Space Efficient Context Encoding for Non-Task-Oriented Dialogue Generation with Graph Attention Transformer. ACL/IJCNLP (1) (2021)
Carsten Felix Draschner, Claus Stadler, Farshad Bakhshandegan Moghaddam, Jens Lehmann, Hajira Jabeen
DistRDF2ML - Scalable Distributed In-Memory Machine Learning Pipelines for RDF Knowledge Graphs. CIKM (2021)
Endri Kacupaj, Joan Plepi, Kuldeep Singh, Harsh Thakkar, Jens Lehmann, Maria Maleshkova
Conversational Question Answering over Knowledge Graphs with Transformer and Graph Attention Networks. EACL (2021)
Cedric Möller, Jens Lehmann, Ricardo Usbeck
Survey on English Entity Linking on Wikidata. CoRR (2021)
Patrick Westphal, Sahar Vahdati, Jens Lehmann
A Simulated Annealing Meta-heuristic for Concept Learning in Description Logics. ILP (2021)
Afshin Sadeghi, Diego Collarana, Damien Graux, Jens Lehmann
Embedding Knowledge Graphs Attentive to Positional and Centrality Qualities. ECML/PKDD (2) (2021)
Tobias Grubenmann, Jens Lehmann
Geolog: Scalable Logic Programming on Spatial Data. ICLP Technical Communications (2021)
Debanjan Chaudhuri, Md. Rashad Al Hasan Rony, Jens Lehmann
Grounding Dialogue Systems via Knowledge Graph Aware Decoding with Pre-trained Transformers. ESWC (2021)
Mehdi Ali, Max Berrendorf, Charles Tapley Hoyt, Laurent Vermue, Sahand Sharifzadeh, Volker Tresp, Jens Lehmann
PyKEEN 1.0: A Python Library for Training and Evaluating Knowledge Graph Embeddings. J. Mach. Learn. Res. 22 (2021)
Debanjan Chaudhuri, Md. Rashad Al Hasan Rony, Jens Lehmann
Grounding Dialogue Systems via Knowledge Graph Aware Decoding with Pre-trained Transformers. CoRR (2021)
Mojtaba Nayyeri, Gökce Müge Cil, Sahar Vahdati, Francesco Osborne, Andrey Kravchenko, Simone Angioni, Angelo A. Salatino, Diego Reforgiato Recupero, Enrico Motta, Jens Lehmann
Link Prediction of Weighted Triples for Knowledge Graph Completion Within the Scholarly Domain. IEEE Access 9 (2021)
Italo Lopes Oliveira, Renato Fileto, René Speck, Luís Paulo F. Garcia, Diego Moussallem, Jens Lehmann
Towards holistic Entity Linking: Survey and directions. Inf. Syst. 95 (2021)
Nico Wilhelm, Diego Collarana, Jens Lehmann
A Virtual Knowledge Graph for Enabling Defect Traceability and Customer Service Analytics. ESWC (Satellite Events) (2021)
Endri Kacupaj, Barshana Banerjee, Kuldeep Singh, Jens Lehmann
ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation. ESWC (2021)
Endri Kacupaj, Joan Plepi, Kuldeep Singh, Harsh Thakkar, Jens Lehmann, Maria Maleshkova
Conversational Question Answering over Knowledge Graphs with Transformer and Graph Attention Networks. CoRR (2021)
Mehdi Ali, Max Berrendorf, Mikhail Galkin, Veronika Thost, Tengfei Ma, Volker Tresp, Jens Lehmann
Improving Inductive Link Prediction Using Hyper-Relational Facts. CoRR (2021)
Golsa Tahmasebzadeh, Endri Kacupaj, Eric Müller-Budack, Sherzod Hakimov, Jens Lehmann, Ralph Ewerth
GeoWINE: Geolocation based Wiki, Image, News and Event Retrieval. CoRR (2021)
Manoj Prabhakar Kannan Ravi, Kuldeep Singh, Isaiah Onando Mulang', Saeedeh Shekarpour, Johannes Hoffart, Jens Lehmann
CHOLAN: A Modular Approach for Neural Entity Linking on Wikipedia and Wikidata. CoRR (2021)
Chengjin Xu, Mojtaba Nayyeri, Sahar Vahdati, Jens Lehmann
Multiple Run Ensemble Learning with Low-Dimensional Knowledge Graph Embeddings. IJCNN (2021)
Chengjin Xu, Fenglong Su, Jens Lehmann
Time-aware Graph Neural Network for Entity Alignment between Temporal Knowledge Graphs. EMNLP (1) (2021)
Mehdi Ali, Max Berrendorf, Mikhail Galkin, Veronika Thost, Tengfei Ma, Volker Tresp, Jens Lehmann
Improving Inductive Link Prediction Using Hyper-relational Facts. ISWC (2021)
Ariam Rivas, Irlán Grangel-González, Diego Collarana, Jens Lehmann, Maria-Esther Vidal
Discover Relations in the Industry 4.0 Standards Via Unsupervised Learning on Knowledge Graph Embeddings. J. Data Intell. 2 (3) (2021)
Farshad Bakhshandegan Moghaddam, Carsten Draschner, Jens Lehmann, Hajira Jabeen
Literal2Feature: An Automatic Scalable RDF Graph Feature Extractor. SEMANTiCS (2021)
Mojtaba Nayyeri, Sahar Vahdati, Can Aykul, Jens Lehmann
5* Knowledge Graph Embeddings with Projective Transformations. AAAI (2021)
Manoj Prabhakar Kannan Ravi, Kuldeep Singh, Isaiah Onando Mulang', Saeedeh Shekarpour, Johannes Hoffart, Jens Lehmann
CHOLAN: A Modular Approach for Neural Entity Linking on Wikipedia and Wikidata. EACL (2021)
Diego Esteves, José Marcelino, Piyush Chawla, Asja Fischer, Jens Lehmann
HORUS-NER: A Multimodal Named Entity Recognition Framework for Noisy Data. IDA (2021)
Endri Kacupaj, Barshana Banerjee, Kuldeep Singh, Jens Lehmann
ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation. CoRR (2021)
Golsa Tahmasebzadeh, Endri Kacupaj, Eric Müller-Budack, Sherzod Hakimov, Jens Lehmann, Ralph Ewerth
GeoWINE: Geolocation based Wiki, Image, News and Event Retrieval. SIGIR (2021)
Nilesh Chakraborty, Denis Lukovnikov, Gaurav Maheshwari, Priyansh Trivedi, Jens Lehmann, Asja Fischer
Introduction to neural network-based question answering over knowledge graphs. WIREs Data Mining Knowl. Discov. 11 (3) (2021)
Carsten Felix Draschner, Farshad Bakhshandegan Moghaddam, Jens Lehmann, Hajira Jabeen
Semantic Analytics in the Palm of your Browser. LAMBDA-PhD (2021)
Debanjali Biswas, Mohnish Dubey, Md. Rashad Al Hasan Rony, Jens Lehmann
VANiLLa : Verbalized Answers in Natural Language at Large Scale. CoRR (2021)
Carsten Felix Draschner, Jens Lehmann, Hajira Jabeen
DistSim - Scalable Distributed in-Memory Semantic Similarity Estimation for RDF Knowledge Graphs. ICSC (2021)
Mojtaba Nayyeri, Gökce Müge Cil, Sahar Vahdati, Francesco Osborne, Mahfuzur Rahman, Simone Angioni, Angelo A. Salatino, Diego Reforgiato Recupero, Nadezhda Vassilyeva, Enrico Motta, Jens Lehmann
Trans4E: Link Prediction on Scholarly Knowledge Graphs. CoRR (2021)
Mojtaba Nayyeri, Chengjin Xu, Yadollah Yaghoobzadeh, Sahar Vahdati, Mirza Mohtashim Alam, Hamed Shariat Yazdi, Jens Lehmann
Loss-Aware Pattern Inference: A Correction on the Wrongly Claimed Limitations of Embedding Models. PAKDD (3) (2021)
Chengjin Xu, Yung-Yu Chen, Mojtaba Nayyeri, Jens Lehmann
Temporal Knowledge Graph Completion using a Linear Temporal Regularizer and Multivector Embeddings. NAACL-HLT (2021)
Chengjin Xu, Mojtaba Nayyeri, Sahar Vahdati, Jens Lehmann
Multiple Run Ensemble Learning withLow-Dimensional Knowledge Graph Embeddings. CoRR (2021)
Arthur Lackner, Said Fathalla, Mojtaba Nayyeri, Andreas Behrend, Rainer Manthey, Sören Auer, Jens Lehmann, Sahar Vahdati
Analysing the evolution of computer science events leveraging a scholarly knowledge graph: a scientometrics study of top-ranked events in the past decade. Scientometrics 126 (9) (2021)
Mojtaba Nayyeri, Gökce Müge Cil, Sahar Vahdati, Francesco Osborne, Mahfuzur Rahman, Simone Angioni, Angelo A. Salatino, Diego Reforgiato Recupero, Nadezhda Vassilyeva, Enrico Motta, Jens Lehmann
Trans4E: Link prediction on scholarly knowledge graphs. Neurocomputing 461 (2021)
Endri Kacupaj, Shyamnath Premnadh, Kuldeep Singh, Jens Lehmann, Maria Maleshkova
VOGUE: Answer Verbalization through Multi-Task Learning. CoRR (2021)
Vinay Srinivas Bharadhwaj, Mehdi Ali, Colin Birkenbihl, Sarah Mubeen, Jens Lehmann, Martin Hofmann-Apitius, Charles Tapley Hoyt, Daniel Domingo-Fernández
CLEP: a hybrid data- and knowledge-driven framework for generating patient representations. Bioinform. 37 (19) (2021)
Afshin Sadeghi, Xhulia Shahini, Martin Schmitz, Jens Lehmann
BenchEmbedd: A FAIR Benchmarking tool forKnowledge Graph Embeddings. SEMANTiCS Posters&Demos (2021)
Afshin Sadeghi, Hirra Malik, Diego Collarana, Jens Lehmann
Relational Pattern Benchmarking on the Knowledge Graph Link Prediction Task. NeurIPS Datasets and Benchmarks (2021)
Nandana Mihindukulasooriya, Mohnish Dubey, Alfio Gliozzo, Jens Lehmann, Axel-Cyrille Ngonga Ngomo, Ricardo Usbeck, Gaetano Rossiello, Uttam Kumar
Semantic Answer Type and Relation Prediction Task (SMART 2021). CoRR (2021)

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Publication Activity (10 Years)

Top Topics

Top Venues

Jens Lehmann