Offices
Room 1.022
Endenicher Allee 19a, 53115 Bonn, Germany
University of Bonn, Computer Science
Tel:+49 228 73-4315
Zwickauer Straße 46
01069 Dresden, Germany
Fraunhofer IAIS
Short CV
Prof. Dr. Jens Lehmann (http://www.jens-lehmann.org) leads the „Smart Data Analytics“ research group at the University of Bonn and Fraunhofer IAIS with approximately 40 researchers and is lead scientist at Fraunhofer IAIS in the Enterprise Information Systems department. His research interests involve Semantic Web, machine learning, question answering & dialogue systems, distributed computing and knowledge representation. Prof. Lehmann authored more than 120 articles in international journals and conferences, 50 of those in A level venues winning 12 best paper awards. His articles are cited more than 20000 times. In several major conferences and journals, he has leading positions. He is founder, leader or contributor of several community research projects, including SANSA, AskNow, DL-Learner, DBpedia and LinkedGeoData. Previously, he completed his PhD with „summa cum laude“ at the University of Leipzig with visits to the University of Oxford.
Research Interests
- Machine Learning
- Semantic Web & Knowledge Graphs
- Conversational AI
Publications
284 entries « ‹ 1 of 6
› » 2022
Alam, Mirza Mohtashim; Rony, Md. Rashad Al Hasan; Ali, Semab; Lehmann, Jens; Vahdati, Sahar
Language Model-driven Negative Sampling Journal Article
In: CoRR, vol. abs/2203.04703, 2022.
@article{DBLP:journals/corr/abs-2203-04703,
title = {Language Model-driven Negative Sampling},
author = {Mirza Mohtashim Alam and
Md. Rashad Al Hasan Rony and
Semab Ali and
Jens Lehmann and
Sahar Vahdati},
url = {https://doi.org/10.48550/arXiv.2203.04703},
doi = {10.48550/arXiv.2203.04703},
year = {2022},
date = {2022-01-01},
journal = {CoRR},
volume = {abs/2203.04703},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
2021
Oliveira, Italo Lopes; Fileto, Renato; Speck, René; Garcia, Lu'is Paulo F.; Moussallem, Diego; Lehmann, Jens
Towards holistic Entity Linking: Survey and directions Journal Article
In: Inf. Syst., vol. 95, pp. 101624, 2021.
@article{DBLP:journals/is/OliveiraFSGML21,
title = {Towards holistic Entity Linking: Survey and directions},
author = {Italo Lopes Oliveira and
Renato Fileto and
René Speck and
Lu{'i}s Paulo F. Garcia and
Diego Moussallem and
Jens Lehmann},
url = {https://doi.org/10.1016/j.is.2020.101624},
doi = {10.1016/j.is.2020.101624},
year = {2021},
date = {2021-01-01},
journal = {Inf. Syst.},
volume = {95},
pages = {101624},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Nayyeri, Mojtaba; Vahdati, Sahar; Aykul, Can; Lehmann, Jens
5ast Knowledge Graph Embeddings with Projective Transformations Inproceedings
In: Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI
2021, Thirty-Third Conference on Innovative Applications of Artificial
Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances
in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9,
2021, pp. 9064–9072, AAAI Press, 2021.
@inproceedings{DBLP:conf/aaai/NayyeriVA021,
title = {5ast Knowledge Graph Embeddings with Projective Transformations},
author = {Mojtaba Nayyeri and
Sahar Vahdati and
Can Aykul and
Jens Lehmann},
url = {https://ojs.aaai.org/index.php/AAAI/article/view/17095},
year = {2021},
date = {2021-01-01},
booktitle = {Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI
2021, Thirty-Third Conference on Innovative Applications of Artificial
Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances
in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9,
2021},
pages = {9064--9072},
publisher = {AAAI Press},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Kacupaj, Endri; Banerjee, Barshana; Singh, Kuldeep; Lehmann, Jens
ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation Inproceedings
In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual
Event, June 6-10, 2021, Proceedings, pp. 598–613, Springer, 2021.
@inproceedings{DBLP:conf/esws/KacupajB0L21,
title = {ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation},
author = {Endri Kacupaj and
Barshana Banerjee and
Kuldeep Singh and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-77385-4_36},
doi = {10.1007/978-3-030-77385-4_36},
year = {2021},
date = {2021-01-01},
booktitle = {The Semantic Web - 18th International Conference, ESWC 2021, Virtual
Event, June 6-10, 2021, Proceedings},
volume = {12731},
pages = {598--613},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Galetzka, Fabian; Rose, Jewgeni; Schlangen, David; Lehmann, Jens
Space Efficient Context Encoding for Non-Task-Oriented Dialogue Generation with Graph Attention Transformer Inproceedings
In: Proceedings of the 59th Annual Meeting of the Association for Computational
Linguistics and the 11th International Joint Conference on Natural
Language Processing, ACL/IJCNLP 2021, (Volume 1: Long Papers), Virtual
Event, August 1-6, 2021, pp. 7028–7041, Association for Computational Linguistics, 2021.
@inproceedings{DBLP:conf/acl/GaletzkaRS020,
title = {Space Efficient Context Encoding for Non-Task-Oriented Dialogue Generation with Graph Attention Transformer},
author = {Fabian Galetzka and
Jewgeni Rose and
David Schlangen and
Jens Lehmann},
url = {https://doi.org/10.18653/v1/2021.acl-long.546},
doi = {10.18653/v1/2021.acl-long.546},
year = {2021},
date = {2021-01-01},
urldate = {2021-01-01},
booktitle = {Proceedings of the 59th Annual Meeting of the Association for Computational
Linguistics and the 11th International Joint Conference on Natural
Language Processing, ACL/IJCNLP 2021, (Volume 1: Long Papers), Virtual
Event, August 1-6, 2021},
pages = {7028--7041},
publisher = {Association for Computational Linguistics},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Kacupaj, Endri; Premnadh, Shyamnath; Singh, Kuldeep; Lehmann, Jens; Maleshkova, Maria
VOGUE: Answer Verbalization Through Multi-Task Learning Inproceedings
In: Machine Learning and Knowledge Discovery in Databases. Research Track
- European Conference, ECML PKDD 2021, Bilbao, Spain, September
13-17, 2021, Proceedings, Part III, pp. 563–579, Springer, 2021.
@inproceedings{DBLP:conf/pkdd/KacupajPSLM21,
title = {VOGUE: Answer Verbalization Through Multi-Task Learning},
author = {Endri Kacupaj and
Shyamnath Premnadh and
Kuldeep Singh and
Jens Lehmann and
Maria Maleshkova},
url = {https://doi.org/10.1007/978-3-030-86523-8_34},
doi = {10.1007/978-3-030-86523-8_34},
year = {2021},
date = {2021-01-01},
urldate = {2021-01-01},
booktitle = {Machine Learning and Knowledge Discovery in Databases. Research Track
- European Conference, ECML PKDD 2021, Bilbao, Spain, September
13-17, 2021, Proceedings, Part III},
volume = {12977},
pages = {563--579},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Ali, Mehdi; Berrendorf, Max; Galkin, Mikhail; Thost, Veronika; Ma, Tengfei; Tresp, Volker; Lehmann, Jens
Improving Inductive Link Prediction Using Hyper-relational Facts Inproceedings
In: The Semantic Web - ISWC 2021 - 20th International Semantic Web Conference,
ISWC 2021, Virtual Event, October 24-28, 2021, Proceedings, pp. 74–92, Springer, 2021.
@inproceedings{DBLP:conf/semweb/AliB0TMT021,
title = {Improving Inductive Link Prediction Using Hyper-relational Facts},
author = {Mehdi Ali and
Max Berrendorf and
Mikhail Galkin and
Veronika Thost and
Tengfei Ma and
Volker Tresp and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-88361-4_5},
doi = {10.1007/978-3-030-88361-4_5},
year = {2021},
date = {2021-01-01},
urldate = {2021-01-01},
booktitle = {The Semantic Web - ISWC 2021 - 20th International Semantic Web Conference,
ISWC 2021, Virtual Event, October 24-28, 2021, Proceedings},
volume = {12922},
pages = {74--92},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Tahmasebzadeh, Golsa; Kacupaj, Endri; Müller-Budack, Eric; Hakimov, Sherzod; Lehmann, Jens; Ewerth, Ralph
GeoWINE: Geolocation based Wiki, Image, News and Event Retrieval Inproceedings
In: SIGIR textquotesingle 21: The 44th International ACM SIGIR Conference on Research
and Development in Information Retrieval, Virtual Event, Canada, July
11-15, 2021, pp. 2565–2569, ACM, 2021.
@inproceedings{DBLP:conf/sigir/TahmasebzadehKM21,
title = {GeoWINE: Geolocation based Wiki, Image, News and Event Retrieval},
author = {Golsa Tahmasebzadeh and
Endri Kacupaj and
Eric Müller-Budack and
Sherzod Hakimov and
Jens Lehmann and
Ralph Ewerth},
url = {https://doi.org/10.1145/3404835.3462786},
doi = {10.1145/3404835.3462786},
year = {2021},
date = {2021-01-01},
booktitle = {SIGIR textquotesingle 21: The 44th International ACM SIGIR Conference on Research
and Development in Information Retrieval, Virtual Event, Canada, July
11-15, 2021},
pages = {2565--2569},
publisher = {ACM},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Nayyeri, Mojtaba; Cil, Gökce Müge; Vahdati, Sahar; Osborne, Francesco; Kravchenko, Andrey; Angioni, Simone; Salatino, Angelo A.; Recupero, Diego Reforgiato; Motta, Enrico; Lehmann, Jens
Link Prediction of Weighted Ŧriples for Knowledge Graph Completion
Within the Scholarly Đomain Journal Article
In: IEEE Access, vol. 9, pp. 116002–116014, 2021.
@article{DBLP:journals/access/NayyeriCVOKASRM21,
title = {Link Prediction of Weighted Ŧriples for Knowledge Graph Completion
Within the Scholarly Đomain},
author = {Mojtaba Nayyeri and
Gökce Müge Cil and
Sahar Vahdati and
Francesco Osborne and
Andrey Kravchenko and
Simone Angioni and
Angelo A. Salatino and
Diego Reforgiato Recupero and
Enrico Motta and
Jens Lehmann},
url = {https://doi.org/10.1109/ACCESS.2021.3105183},
doi = {10.1109/ACCESS.2021.3105183},
year = {2021},
date = {2021-01-01},
journal = {IEEE Access},
volume = {9},
pages = {116002--116014},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Biswas, Debanjali; Dubey, Mohnish; Rony, Md. Rashad Al Hasan; Lehmann, Jens
VANiLLa : Verbalized Answers in Natural Language at Large Scale Journal Article
In: CoRR, vol. abs/2105.11407, 2021.
@article{DBLP:journals/corr/abs-2105-11407,
title = {VANiLLa : Verbalized Answers in Natural Language at Large Scale},
author = {Debanjali Biswas and
Mohnish Dubey and
Md. Rashad Al Hasan Rony and
Jens Lehmann},
url = {https://arxiv.org/abs/2105.11407},
year = {2021},
date = {2021-01-01},
journal = {CoRR},
volume = {abs/2105.11407},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Nayyeri, Mojtaba; Cil, Gökce Müge; Vahdati, Sahar; Osborne, Francesco; Rahman, Mahfuzur; Angioni, Simone; Salatino, Angelo A.; Recupero, Diego Reforgiato; Vassilyeva, Nadezhda; Motta, Enrico; Lehmann, Jens
Trans4E: Link prediction on scholarly knowledge graphs Journal Article
In: Neurocomputing, vol. 461, pp. 530–542, 2021.
@article{DBLP:journals/ijon/NayyeriCVORASRV21,
title = {Trans4E: Link prediction on scholarly knowledge graphs},
author = {Mojtaba Nayyeri and
Gökce Müge Cil and
Sahar Vahdati and
Francesco Osborne and
Mahfuzur Rahman and
Simone Angioni and
Angelo A. Salatino and
Diego Reforgiato Recupero and
Nadezhda Vassilyeva and
Enrico Motta and
Jens Lehmann},
url = {https://doi.org/10.1016/j.neucom.2021.02.100},
doi = {10.1016/j.neucom.2021.02.100},
year = {2021},
date = {2021-01-01},
urldate = {2021-01-01},
journal = {Neurocomputing},
volume = {461},
pages = {530--542},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Lackner, Arthur; Fathalla, Said; Nayyeri, Mojtaba; Behrend, Andreas; Manthey, Rainer; Auer, Sören; Lehmann, Jens; Vahdati, Sahar
Analysing the evolution of computer science events leveraging a scholarly
knowledge graph: a scientometrics study of top-ranked events in the
past decade Journal Article
In: Scientometrics, vol. 126, no. 9, pp. 8129–8151, 2021.
@article{DBLP:journals/scientometrics/LacknerFNBMALV21,
title = {Analysing the evolution of computer science events leveraging a scholarly
knowledge graph: a scientometrics study of top-ranked events in the
past decade},
author = {Arthur Lackner and
Said Fathalla and
Mojtaba Nayyeri and
Andreas Behrend and
Rainer Manthey and
Sören Auer and
Jens Lehmann and
Sahar Vahdati},
url = {https://doi.org/10.1007/s11192-021-04072-0},
doi = {10.1007/s11192-021-04072-0},
year = {2021},
date = {2021-01-01},
journal = {Scientometrics},
volume = {126},
number = {9},
pages = {8129--8151},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo
Proxy Indicators for the Quality of Open-domain Dialogues Inproceedings
In: Proceedings of the 2021 Conference on Empirical Methods in Natural
Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican
Republic, 7-11 November, 2021, pp. 7834–7855, Association for Computational Linguistics, 2021.
@inproceedings{DBLP:conf/emnlp/Nedelchev0U21,
title = {Proxy Indicators for the Quality of Open-domain Dialogues},
author = {Rostislav Nedelchev and
Jens Lehmann and
Ricardo Usbeck},
url = {https://doi.org/10.18653/v1/2021.emnlp-main.618},
doi = {10.18653/v1/2021.emnlp-main.618},
year = {2021},
date = {2021-01-01},
booktitle = {Proceedings of the 2021 Conference on Empirical Methods in Natural
Language Processing, EMNLP 2021, Virtual Event / Punta Cana, Dominican
Republic, 7-11 November, 2021},
pages = {7834--7855},
publisher = {Association for Computational Linguistics},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Bharadhwaj, Vinay Srinivas; Ali, Mehdi; Birkenbihl, Colin; Mubeen, Sarah; Lehmann, Jens; Hofmann-Apitius, Martin; Hoyt, Charles Tapley; Domingo-Fernández, Daniel
CLEP: a hybrid data- and knowledge-driven framework for generating
patient representations Journal Article
In: Bioinform., vol. 37, no. 19, pp. 3311–3318, 2021.
@article{DBLP:journals/bioinformatics/BharadhwajABMLH21,
title = {CLEP: a hybrid data- and knowledge-driven framework for generating
patient representations},
author = {Vinay Srinivas Bharadhwaj and
Mehdi Ali and
Colin Birkenbihl and
Sarah Mubeen and
Jens Lehmann and
Martin Hofmann-Apitius and
Charles Tapley Hoyt and
Daniel Domingo-Fernández},
url = {https://doi.org/10.1093/bioinformatics/btab340},
doi = {10.1093/bioinformatics/btab340},
year = {2021},
date = {2021-01-01},
journal = {Bioinform.},
volume = {37},
number = {19},
pages = {3311--3318},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Möller, Cedric; Lehmann, Jens; Usbeck, Ricardo
Survey on English Entity Linking on Wikidata Journal Article
In: CoRR, vol. abs/2112.01989, 2021.
@article{DBLP:journals/corr/abs-2112-01989,
title = {Survey on English Entity Linking on Wikidata},
author = {Cedric Möller and
Jens Lehmann and
Ricardo Usbeck},
url = {https://arxiv.org/abs/2112.01989},
year = {2021},
date = {2021-01-01},
journal = {CoRR},
volume = {abs/2112.01989},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Mihindukulasooriya, Nandana; Dubey, Mohnish; Gliozzo, Alfio; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo; Rossiello, Gaetano; Kumar, Uttam
Semantic Answer Type and Relation Prediction Task (SMART 2021) Journal Article
In: CoRR, vol. abs/2112.07606, 2021.
@article{DBLP:journals/corr/abs-2112-07606,
title = {Semantic Answer Type and Relation Prediction Task (SMART 2021)},
author = {Nandana Mihindukulasooriya and
Mohnish Dubey and
Alfio Gliozzo and
Jens Lehmann and
Axel-Cyrille Ngonga Ngomo and
Ricardo Usbeck and
Gaetano Rossiello and
Uttam Kumar},
url = {https://arxiv.org/abs/2112.07606},
year = {2021},
date = {2021-01-01},
journal = {CoRR},
volume = {abs/2112.07606},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Nayyeri, Mojtaba; Vahdati, Sahar; Aykul, Can; Lehmann, Jens
5ast Knowledge Graph Embeddings with Projective Transformations Inproceedings
In: Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI
2021, Thirty-Third Conference on Innovative Applications of Artificial
Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances
in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9,
2021, pp. 9064–9072, AAAI Press, 2021.
@inproceedings{DBLP:conf/aaai/NayyeriVA021b,
title = {5ast Knowledge Graph Embeddings with Projective Transformations},
author = {Mojtaba Nayyeri and
Sahar Vahdati and
Can Aykul and
Jens Lehmann},
url = {https://ojs.aaai.org/index.php/AAAI/article/view/17095},
year = {2021},
date = {2021-01-01},
booktitle = {Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI
2021, Thirty-Third Conference on Innovative Applications of Artificial
Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances
in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9,
2021},
pages = {9064--9072},
publisher = {AAAI Press},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Westphal, Patrick; Vahdati, Sahar; Lehmann, Jens
A Simulated Annealing Meta-heuristic for Concept Learning in Description
Logics Inproceedings
In: Inductive Logic Programming - 30th International Conference, ILP
2021, Virtual Event, October 25-27, 2021, Proceedings, pp. 266–281, Springer, 2021.
@inproceedings{DBLP:conf/ilp/WestphalV021,
title = {A Simulated Annealing Meta-heuristic for Concept Learning in Description
Logics},
author = {Patrick Westphal and
Sahar Vahdati and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-97454-1_19},
doi = {10.1007/978-3-030-97454-1_19},
year = {2021},
date = {2021-01-01},
booktitle = {Inductive Logic Programming - 30th International Conference, ILP
2021, Virtual Event, October 25-27, 2021, Proceedings},
volume = {13191},
pages = {266--281},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Nayyeri, Mojtaba; Cil, Gökce Müge; Vahdati, Sahar; Osborne, Francesco; Kravchenko, Andrey; Angioni, Simone; Salatino, Angelo A.; Recupero, Diego Reforgiato; Motta, Enrico; Lehmann, Jens
Link Prediction of Weighted Triples for Knowledge Graph Completion
Within the Scholarly Domain Journal Article
In: IEEE Access, vol. 9, pp. 116002–116014, 2021.
@article{DBLP:journals/access/NayyeriCVOKASRM21b,
title = {Link Prediction of Weighted Triples for Knowledge Graph Completion
Within the Scholarly Domain},
author = {Mojtaba Nayyeri and
Gökce Müge Cil and
Sahar Vahdati and
Francesco Osborne and
Andrey Kravchenko and
Simone Angioni and
Angelo A. Salatino and
Diego Reforgiato Recupero and
Enrico Motta and
Jens Lehmann},
url = {https://doi.org/10.1109/ACCESS.2021.3105183},
doi = {10.1109/ACCESS.2021.3105183},
year = {2021},
date = {2021-01-01},
journal = {IEEE Access},
volume = {9},
pages = {116002--116014},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Grubenmann, Tobias; Lehmann, Jens
Geolog: Scalable Logic Programming on Spatial Data Inproceedings
In: Proceedings 37th International Conference on Logic Programming (Technical
Communications), ICLP Technical Communications 2021, Porto (virtual
event), 20-27th September 2021, pp. 191–204, 2021.
@inproceedings{DBLP:journals/corr/abs-2109-08295b,
title = {Geolog: Scalable Logic Programming on Spatial Data},
author = {Tobias Grubenmann and
Jens Lehmann},
url = {https://doi.org/10.4204/EPTCS.345.34},
doi = {10.4204/EPTCS.345.34},
year = {2021},
date = {2021-01-01},
booktitle = {Proceedings 37th International Conference on Logic Programming (Technical
Communications), ICLP Technical Communications 2021, Porto (virtual
event), 20-27th September 2021},
volume = {345},
pages = {191--204},
series = {EPTCS},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Ali, Mehdi; Berrendorf, Max; Hoyt, Charles Tapley; Vermue, Laurent; Sharifzadeh, Sahand; Tresp, Volker; Lehmann, Jens
PyKEEN 1.0: A Python Library for Training and Evaluating Knowledge
Graph Embeddings Journal Article
In: J. Mach. Learn. Res., vol. 22, pp. 82:1–82:6, 2021.
@article{DBLP:journals/jmlr/AliBHVSTL21,
title = {PyKEEN 1.0: A Python Library for Training and Evaluating Knowledge
Graph Embeddings},
author = {Mehdi Ali and
Max Berrendorf and
Charles Tapley Hoyt and
Laurent Vermue and
Sahand Sharifzadeh and
Volker Tresp and
Jens Lehmann},
url = {http://jmlr.org/papers/v22/20-825.html},
year = {2021},
date = {2021-01-01},
journal = {J. Mach. Learn. Res.},
volume = {22},
pages = {82:1--82:6},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
2020
Jabeen, Hajira; Haziiev, Eskender; Sejdiu, Gezim; Lehmann, Jens
DISE: A Distributed in-Memory SPARQL Processing Engine over Tensor Data Inproceedings
In: IEEE 14th International Conference on Semantic Computing, ICSC
2020, San Diego, CA, USA, February 3-5, 2020, pp. 400–407, IEEE, 2020.
@inproceedings{DBLP:conf/semco/JabeenHS020,
title = {DISE: A Distributed in-Memory SPARQL Processing Engine over Tensor Data},
author = {Hajira Jabeen and
Eskender Haziiev and
Gezim Sejdiu and
Jens Lehmann},
url = {https://doi.org/10.1109/ICSC.2020.00079},
doi = {10.1109/ICSC.2020.00079},
year = {2020},
date = {2020-01-01},
booktitle = {IEEE 14th International Conference on Semantic Computing, ICSC
2020, San Diego, CA, USA, February 3-5, 2020},
pages = {400--407},
publisher = {IEEE},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Thakkar, Harsh; Angles, Renzo; Rodriguez, Marko; Mallette, Stephen; Lehmann, Jens
Let's build Bridges, not Walls: SPARQL Querying of TinkerPop Graph Databases with Sparql-Gremlin Inproceedings
In: IEEE 14th International Conference on Semantic Computing, ICSC
2020, San Diego, CA, USA, February 3-5, 2020, pp. 408–415, IEEE, 2020.
@inproceedings{DBLP:conf/semco/ThakkarARM020,
title = {Let's build Bridges, not Walls: SPARQL Querying of TinkerPop Graph Databases with Sparql-Gremlin},
author = {Harsh Thakkar and
Renzo Angles and
Marko Rodriguez and
Stephen Mallette and
Jens Lehmann},
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Musyaffa, Fathoni A.; Vidal, Maria-Esther; Orlandi, Fabrizio; Lehmann, Jens; Jabeen, Hajira
IOTA: Interlinking of heterogeneous multilingual open fiscal DaTA Journal Article
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Kacupaj, Endri; Zafar, Hamid; Lehmann, Jens; Maleshkova, Maria
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In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion,
Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 531–547, Springer, 2020.
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Nayyeri, Mojtaba; Vahdati, Sahar; Zhou, Xiaotian; Yazdi, Hamed Shariat; Lehmann, Jens
Embedding-Based Recommendations on Scholarly Knowledge Graphs Inproceedings
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Nedelchev, Rostislav; Usbeck, Ricardo; Lehmann, Jens
Treating Dialogue Quality Evaluation as an Anomaly Detection Problem Inproceedings
In: Proceedings of The 12th Language Resources and Evaluation Conference,
LREC 2020, Marseille, France, May 11-16, 2020, pp. 508–512, European Language Resources Association, 2020.
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Ali, Mehdi; Berrendorf, Max; Hoyt, Charles Tapley; Vermue, Laurent; Galkin, Mikhail; Sharifzadeh, Sahand; Fischer, Asja; Tresp, Volker; Lehmann, Jens
Bringing Light Into the Dark: A Large-scale Evaluation of Knowledge Graph Embedding Models Under a Unified Framework Miscellaneous
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Jabeen, Hajira; Weinz, Jonas; Lehmann, Jens
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Say, Zeynep; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören
Ontology Design for Pharmaceutical Research Outcomes Inproceedings
In: Digital Libraries for Open Knowledge - 24th International Conference
on Theory and Practice of Digital Libraries, TPDL 2020, Lyon, France,
August 25-27, 2020, Proceedings, pp. 119–132, Springer, 2020.
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Sadeghi, Afshin; Graux, Damien; Yazdi, Hamed Shariat; Lehmann, Jens
MDE: Multiple Distance Embeddings for Link Prediction in Knowledge Graphs Inproceedings
In: ECAI 2020 - 24th European Conference on Artificial Intelligence,
29 August-8 September 2020, Santiago de Compostela, Spain, August
29 - September 8, 2020 - Including 10th Conference on Prestigious
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Zafar, Hamid; Tavakol, Maryam; Lehmann, Jens
Distantly Supervised Question Parsing Inproceedings
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Chau, Minh Triet; Esteves, Diego; Lehmann, Jens
A Neural-based model to Predict the Future Natural Gas Market Price
through Open-domain Event Extraction Inproceedings
In: Proceedings of the 1st International Workshop on Cross-lingual Event-centric
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(ESWC 2020), Heraklion, Crete, Greece, June 3, 2020 (online event
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Graux, Damien; Sejdiu, Gezim; Stadler, Claus; Napolitano, Giulio; Lehmann, Jens
MINDS: A Translator to Embed Mathematical Expressions Inside SPARQL
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In: Semantic Systems. In the Era of Knowledge Graphs - 16th International
Conference on Semantic Systems, SEMANTiCS 2020, Amsterdam, The Netherlands,
September 7-10, 2020, Proceedings, pp. 104–117, Springer, 2020.
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Musyaffa, Fathoni A.; Lehmann, Jens; Jabeen, Hajira
Cross-administration comparative analysis of open fiscal data Inproceedings
In: ICEGOV 2020: 13th International Conference on Theory and Practice
of Electronic Governance, Athens, Greece, 23-25 September, 2020, pp. 459–468, ACM, 2020.
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Payrosangari, Samin; Sadeghi, Afshin; Graux, Damien; Lehmann, Jens
Meta-hyperband: Hyperparameter Optimization with Meta-learning and
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In: Intelligent Data Engineering and Automated Learning - IDEAL 2020
- 21st International Conference, Guimaraes, Portugal, November 4-6,
2020, Proceedings, Part II, pp. 335–347, Springer, 2020.
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Nayyeri, Mojtaba; Zhou, Xiaotian; Vahdati, Sahar; Izanloo, Reza; Yazdi, Hamed Shariat; Lehmann, Jens
Let the Margin SlidE for Knowledge Graph Embeddings via a Correntropy Objective Function Inproceedings
In: 2020 International Joint Conference on Neural Networks, IJCNN 2020,
Glasgow, United Kingdom, July 19-24, 2020, pp. 1–9, IEEE, 2020.
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Nayyeri, Mojtaba; Xu, Chengjin; Vahdati, Sahar; Vassilyeva, Nadezhda; Sallinger, Emanuel; Yazdi, Hamed Shariat; Lehmann, Jens
Fantastic Knowledge Graph Embeddings and How to Find the Right Space
for Them Inproceedings
In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference,
Athens, Greece, November 2-6, 2020, Proceedings, Part I, pp. 438–455, Springer, 2020.
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Rose, Jewgeni; Lehmann, Jens
CASQAD - A New Dataset for Context-Aware Spatial Question Answering Inproceedings
In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference,
Athens, Greece, November 2-6, 2020, Proceedings, Part II, pp. 3–17, Springer, 2020.
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Xu, Chenjin; Nayyeri, Mojtaba; Alkhoury, Fouad; Yazdi, Hamed Shariat; Lehmann, Jens
Temporal Knowledge Graph Completion Based on Time Series Gaussian
Embedding Inproceedings
In: The Semantic Web - ISWC 2020 - 19th International Semantic Web Conference,
Athens, Greece, November 2-6, 2020, Proceedings, Part I, pp. 654–671, Springer, 2020.
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Mohamed, Heba; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira
A Distributed Approach for Parsing Large-scale OWL Datasets Inproceedings
In: Proceedings of the 12th International Joint Conference on Knowledge
Discovery, Knowledge Engineering and Knowledge Management, IC3K
2020, Volume 2: KEOD, Budapest, Hungary, November 2-4, 2020, pp. 227–234, SCITEPRESS, 2020.
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Say, Aysegul; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören
Semantic Representation of Physics Research Data Inproceedings
In: Proceedings of the 12th International Joint Conference on Knowledge
Discovery, Knowledge Engineering and Knowledge Management, IC3K
2020, Volume 2: KEOD, Budapest, Hungary, November 2-4, 2020, pp. 64–75, SCITEPRESS, 2020.
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Nayyeri, Mojtaba; Alam, Mirza Mohtashim; Lehmann, Jens; Vahdati, Sahar
3D Learning and Reasoning in Link Prediction Over Knowledge Graphs Journal Article
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Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo
Language Model Transformers as Evaluators for Open-domain Dialogues Inproceedings
In: Proceedings of the 28th International Conference on Computational
Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13,
2020, pp. 6797–6808, International Committee on Computational Linguistics, 2020.
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Galkin, Mikhail; Trivedi, Priyansh; Maheshwari, Gaurav; Usbeck, Ricardo; Lehmann, Jens
Message Passing for Hyper-Relational Knowledge Graphs Inproceedings
In: Proceedings of the 2020 Conference on Empirical Methods in Natural
Language Processing, EMNLP 2020, Online, November 16-20, 2020, pp. 7346–7359, Association for Computational Linguistics, 2020.
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Ali, Mehdi; Berrendorf, Max; Hoyt, Charles Tapley; Vermue, Laurent; Sharifzadeh, Sahand; Tresp, Volker; Lehmann, Jens
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Mihindukulasooriya, Nandana; Dubey, Mohnish; Gliozzo, Alfio; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo
SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic
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In: CoRR, vol. abs/2012.00555, 2020.
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title = {SeMantic AnsweR Type prediction task (SMART) at ISWC 2020 Semantic
Web Challenge},
author = {Nandana Mihindukulasooriya and
Mohnish Dubey and
Alfio Gliozzo and
Jens Lehmann and
Axel-Cyrille Ngonga Ngomo and
Ricardo Usbeck},
url = {https://arxiv.org/abs/2012.00555},
year = {2020},
date = {2020-01-01},
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2019
Kassawat, Firas; Chaudhuri, Debanjan; Lehmann, Jens
Incorporating Joint Embeddings into Goal-Oriented Dialogues with Multi-task Learning Inproceedings
In: The Semantic Web, pp. 225–239, Springer International Publishing, Cham, 2019, ISBN: 978-3-030-21348-0.
@inproceedings{10.1007/978-3-030-21348-0_15,
title = {Incorporating Joint Embeddings into Goal-Oriented Dialogues with Multi-task Learning},
author = {Firas Kassawat and Debanjan Chaudhuri and Jens Lehmann},
url = {http://jens-lehmann.org/files/2019/eswc_jointembedding_dialoguesystems.pdf},
isbn = {978-3-030-21348-0},
year = {2019},
date = {2019-01-01},
booktitle = {The Semantic Web},
pages = {225--239},
publisher = {Springer International Publishing},
address = {Cham},
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pubstate = {published},
tppubtype = {inproceedings}
}
Dadwal, Rajjat; Graux, Damien; Sejdiu, Gezim; Jabeen, Hajira; Lehmann, Jens
Clustering Pipelines of large RDF POI Data Inproceedings
In: Proceedings of 16th Extended Semantic Web Conference (ESWC 2019), Poster & Demos, 2019.
@inproceedings{piping-clustering-eswc19-poster,
title = {Clustering Pipelines of large RDF POI Data},
author = {Rajjat Dadwal and Damien Graux and Gezim Sejdiu and Hajira Jabeen and Jens Lehmann},
url = {https://dgraux.github.io/publications/PipingClustering_ESWC_2019_Poster.pdf},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of 16th Extended Semantic Web Conference (ESWC 2019), Poster & Demos},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Sejdiu, Gezim; Rula, Anisa; Lehmann, Jens; Jabeen, Hajira
A Scalable Framework for Quality Assessment of RDF Datasets Inproceedings
In: Proceedings of 18th International Semantic Web Conference, 2019.
@inproceedings{sejdiu-2019-sansa-dist-quality-assessment-iswc,
title = {A Scalable Framework for Quality Assessment of RDF Datasets},
author = {Gezim Sejdiu and Anisa Rula and Jens Lehmann and Hajira Jabeen},
url = {http://jens-lehmann.org/files/2019/iswc_dist_quality_assessment.pdf},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of 18th International Semantic Web Conference},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
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