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 « ‹ 2 of 6
› » 2019
Sejdiu, Gezim; Graux, Damien; Khan, Imran; Lytra, Ioanna; Jabeen, Hajira; Lehmann, Jens
Towards a Scalable Semantic-Based Distributed Approach for SPARQL
Query Evaluation Inproceedings
In: Semantic Systems. The Power of AI and Knowledge Graphs - 15th International
Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019,
Proceedings, pp. 295–309, Springer, 2019.
@inproceedings{DBLP:conf/i-semantics/SejdiuGKLJ019,
title = {Towards a Scalable Semantic-Based Distributed Approach for SPARQL
Query Evaluation},
author = {Gezim Sejdiu and
Damien Graux and
Imran Khan and
Ioanna Lytra and
Hajira Jabeen and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-33220-4_22},
doi = {10.1007/978-3-030-33220-4_22},
year = {2019},
date = {2019-01-01},
booktitle = {Semantic Systems. The Power of AI and Knowledge Graphs - 15th International
Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019,
Proceedings},
volume = {11702},
pages = {295--309},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Abdelkawi, Abdelrahman; Zafar, Hamid; Maleshkova, Maria; Lehmann, Jens
Complex Query Augmentation for Question Answering over Knowledge Graphs Inproceedings
In: On the Move to Meaningful Internet Systems: OTM 2019 Conferences
- Confederated International Conferences: CoopIS, ODBASE, C&TC
2019, Rhodes, Greece, October 21-25, 2019, Proceedings, pp. 571–587, Springer, 2019.
@inproceedings{DBLP:conf/otm/AbdelkawiZM019,
title = {Complex Query Augmentation for Question Answering over Knowledge Graphs},
author = {Abdelrahman Abdelkawi and
Hamid Zafar and
Maria Maleshkova and
Jens Lehmann},
url = {http://jens-lehmann.org/files/2019/odbase_ex_sqg.pdf},
doi = {10.1007/978-3-030-33246-4_36},
year = {2019},
date = {2019-01-01},
booktitle = {On the Move to Meaningful Internet Systems: OTM 2019 Conferences
- Confederated International Conferences: CoopIS, ODBASE, C&TC
2019, Rhodes, Greece, October 21-25, 2019, Proceedings},
volume = {11877},
pages = {571--587},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Stadler, Claus; Sejdiu, Gezim; Graux, Damien; Lehmann, Jens
Querying Large-scale RDF Datasets Using the SANSA Framework Inproceedings
In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations,
Industry, and Outrageous Ideas) co-located with 18th International
Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October
26-30, 2019, pp. 285–288, CEUR-WS.org, 2019.
@inproceedings{DBLP:conf/semweb/StadlerSG019,
title = {Querying Large-scale RDF Datasets Using the SANSA Framework},
author = {Claus Stadler and
Gezim Sejdiu and
Damien Graux and
Jens Lehmann},
url = {http://ceur-ws.org/Vol-2456/paper74.pdf},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations,
Industry, and Outrageous Ideas) co-located with 18th International
Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October
26-30, 2019},
volume = {2456},
pages = {285--288},
publisher = {CEUR-WS.org},
series = {CEUR Workshop Proceedings},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Stadler, Claus; Sejdiu, Gezim; Graux, Damien; Lehmann, Jens
Sparklify: A Scalable Software Component for Efficient Evaluation
of SPARQL Queries over Distributed RDF Datasets Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 293–308, Springer, 2019.
@inproceedings{DBLP:conf/semweb/StadlerSG019a,
title = {Sparklify: A Scalable Software Component for Efficient Evaluation
of SPARQL Queries over Distributed RDF Datasets},
author = {Claus Stadler and
Gezim Sejdiu and
Damien Graux and
Jens Lehmann},
url = {http://jens-lehmann.org/files/2019/iswc_sparklify.pdf},
doi = {10.1007/978-3-030-30796-7_19},
year = {2019},
date = {2019-01-01},
booktitle = {The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II},
volume = {11779},
pages = {293--308},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Garcia, Lu'is Paulo F.; Lehmann, Jens; de Carvalho, André C. P. L. F.; Lorena, Ana Carolina
New label noise injection methods for the evaluation of noise filters Journal Article
In: Knowl. Based Syst., vol. 163, pp. 693–704, 2019.
@article{DBLP:journals/kbs/GarciaLCL19,
title = {New label noise injection methods for the evaluation of noise filters},
author = {Lu{'i}s Paulo F. Garcia and
Jens Lehmann and
André C. P. L. F. de Carvalho and
Ana Carolina Lorena},
url = {http://jens-lehmann.org/files/2019/kbs_noise.pdf},
doi = {10.1016/j.knosys.2018.09.031},
year = {2019},
date = {2019-01-01},
journal = {Knowl. Based Syst.},
volume = {163},
pages = {693--704},
keywords = {},
pubstate = {published},
tppubtype = {article}
}
Athanasiou, Spiros; Giannopoulos, Giorgos; Graux, Damien; Karagiannakis, Nikos; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga; Patroumpas, Kostas; Sherif, Mohamed Ahmed; Skoutas, Dimitrios
Big POI data integration with Linked Data technologies Inproceedings
In: Advances in Database Technology - 22nd International Conference on
Extending Database Technology, EDBT 2019, Lisbon, Portugal, March
26-29, 2019, pp. 477–488, OpenProceedings.org, 2019.
@inproceedings{DBLP:conf/edbt/AthanasiouGGK0N19,
title = {Big POI data integration with Linked Data technologies},
author = {Spiros Athanasiou and
Giorgos Giannopoulos and
Damien Graux and
Nikos Karagiannakis and
Jens Lehmann and
Axel-Cyrille Ngonga Ngomo and
Kostas Patroumpas and
Mohamed Ahmed Sherif and
Dimitrios Skoutas},
url = {https://doi.org/10.5441/002/edbt.2019.44},
doi = {10.5441/002/edbt.2019.44},
year = {2019},
date = {2019-01-01},
booktitle = {Advances in Database Technology - 22nd International Conference on
Extending Database Technology, EDBT 2019, Lisbon, Portugal, March
26-29, 2019},
pages = {477--488},
publisher = {OpenProceedings.org},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Rahimbayli, Sattar; Lehmann, Jens; Deserno, Thomas M.
Pay for Performance in Electronic Data Capture for Clinical Trials
and Medical Registries Inproceedings
In: ICT for Health Science Research - Proceedings of the EFMI 2019
Special Topic Conference - 7-10 April 2019, Hanover, Germany, pp. 221–225, IOS Press, 2019.
@inproceedings{DBLP:conf/efmi-stc/RahimbayliLD19,
title = {Pay for Performance in Electronic Data Capture for Clinical Trials
and Medical Registries},
author = {Sattar Rahimbayli and
Jens Lehmann and
Thomas M. Deserno},
url = {https://doi.org/10.3233/978-1-61499-959-1-221},
doi = {10.3233/978-1-61499-959-1-221},
year = {2019},
date = {2019-01-01},
booktitle = {ICT for Health Science Research - Proceedings of the EFMI 2019
Special Topic Conference - 7-10 April 2019, Hanover, Germany},
volume = {258},
pages = {221--225},
publisher = {IOS Press},
series = {Studies in Health Technology and Informatics},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Chawla, Piyush; Esteves, Diego; Pujar, Karthik; Lehmann, Jens
SimpleLSTM: A Deep-Learning Approach to Simple-Claims Classification Inproceedings
In: Progress in Artificial Intelligence, 19th EPIA Conference on Artificial
Intelligence, EPIA 2019, Vila Real, Portugal, September 3-6, 2019,
Proceedings, Part II, pp. 244–255, Springer, 2019.
@inproceedings{DBLP:conf/epia/ChawlaEP019,
title = {SimpleLSTM: A Deep-Learning Approach to Simple-Claims Classification},
author = {Piyush Chawla and
Diego Esteves and
Karthik Pujar and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-30244-3_21},
doi = {10.1007/978-3-030-30244-3_21},
year = {2019},
date = {2019-01-01},
booktitle = {Progress in Artificial Intelligence, 19th EPIA Conference on Artificial
Intelligence, EPIA 2019, Vila Real, Portugal, September 3-6, 2019,
Proceedings, Part II},
volume = {11805},
pages = {244--255},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Ibrahim, Shimaa; Fathalla, Said; Yazdi, Hamed Shariat; Lehmann, Jens; Jabeen, Hajira
OECM: A Cross-Lingual Approach for Ontology Enrichment Inproceedings
In: The Semantic Web: ESWC 2019 Satellite Events - ESWC 2019 Satellite
Events, Portorov z, Slovenia, June 2-6, 2019, Revised Selected
Papers, pp. 100–104, Springer, 2019.
@inproceedings{DBLP:conf/esws/IbrahimFY0J19,
title = {OECM: A Cross-Lingual Approach for Ontology Enrichment},
author = {Shimaa Ibrahim and
Said Fathalla and
Hamed Shariat Yazdi and
Jens Lehmann and
Hajira Jabeen},
url = {https://doi.org/10.1007/978-3-030-32327-1_20},
doi = {10.1007/978-3-030-32327-1_20},
year = {2019},
date = {2019-01-01},
booktitle = {The Semantic Web: ESWC 2019 Satellite Events - ESWC 2019 Satellite
Events, Portorov z, Slovenia, June 2-6, 2019, Revised Selected
Papers},
volume = {11762},
pages = {100--104},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Jabeen, Hajira; Tahara, Nargis; Lehmann, Jens
EvoChef: Show Me What to Cook! Artificial Evolution of Culinary Arts Inproceedings
In: Computational Intelligence in Music, Sound, Art and Design - 8th International
Conference, EvoMUSART 2019, Held as Part of EvoStar 2019, Leipzig,
Germany, April 24-26, 2019, Proceedings, pp. 156–172, Springer, 2019.
@inproceedings{DBLP:conf/evoW/JabeenTL19,
title = {EvoChef: Show Me What to Cook! Artificial Evolution of Culinary Arts},
author = {Hajira Jabeen and
Nargis Tahara and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-16667-0_11},
doi = {10.1007/978-3-030-16667-0_11},
year = {2019},
date = {2019-01-01},
booktitle = {Computational Intelligence in Music, Sound, Art and Design - 8th International
Conference, EvoMUSART 2019, Held as Part of EvoStar 2019, Leipzig,
Germany, April 24-26, 2019, Proceedings},
volume = {11453},
pages = {156--172},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Ibrahim, Shimaa; Fathalla, Said; Yazdi, Hamed Shariat; Lehmann, Jens; Jabeen, Hajira
From Monolingual to Multilingual Ontologies: The Role of Cross-Lingual
Ontology Enrichment Inproceedings
In: Semantic Systems. The Power of AI and Knowledge Graphs - 15th International
Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019,
Proceedings, pp. 215–230, Springer, 2019.
@inproceedings{DBLP:conf/i-semantics/IbrahimFY0J19,
title = {From Monolingual to Multilingual Ontologies: The Role of Cross-Lingual
Ontology Enrichment},
author = {Shimaa Ibrahim and
Said Fathalla and
Hamed Shariat Yazdi and
Jens Lehmann and
Hajira Jabeen},
url = {https://doi.org/10.1007/978-3-030-33220-4_16},
doi = {10.1007/978-3-030-33220-4_16},
year = {2019},
date = {2019-01-01},
booktitle = {Semantic Systems. The Power of AI and Knowledge Graphs - 15th International
Conference, SEMANTiCS 2019, Karlsruhe, Germany, September 9-12, 2019,
Proceedings},
volume = {11702},
pages = {215--230},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Sui, Danning; Sejdiu, Gezim; Graux, Damien; Lehmann, Jens
The Hubs and Authorities Transaction Network Analysis using the SANSA
framework Inproceedings
In: Proceedings of the Posters and Demo Track of the 15th International
Conference on Semantic Systems co-located with 15th International
Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany,
September 9th - to - 12th, 2019, CEUR-WS.org, 2019.
@inproceedings{DBLP:conf/i-semantics/SuiSG019,
title = {The Hubs and Authorities Transaction Network Analysis using the SANSA
framework},
author = {Danning Sui and
Gezim Sejdiu and
Damien Graux and
Jens Lehmann},
url = {http://ceur-ws.org/Vol-2451/paper-25.pdf},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of the Posters and Demo Track of the 15th International
Conference on Semantic Systems co-located with 15th International
Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany,
September 9th - to - 12th, 2019},
volume = {2451},
publisher = {CEUR-WS.org},
series = {CEUR Workshop Proceedings},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Maqbool, Fahad; Razzaq, Saad; Lehmann, Jens; Jabeen, Hajira
Scalable Distributed Genetic Algorithm Using Apache Spark (S-GA) Inproceedings
In: Intelligent Computing Theories and Application - 15th International
Conference, ICIC 2019, Nanchang, China, August 3-6, 2019, Proceedings,
Part I, pp. 424–435, Springer, 2019.
@inproceedings{DBLP:conf/icic/MaqboolR0J19,
title = {Scalable Distributed Genetic Algorithm Using Apache Spark (S-GA)},
author = {Fahad Maqbool and
Saad Razzaq and
Jens Lehmann and
Hajira Jabeen},
url = {https://doi.org/10.1007/978-3-030-26763-6_41},
doi = {10.1007/978-3-030-26763-6_41},
year = {2019},
date = {2019-01-01},
booktitle = {Intelligent Computing Theories and Application - 15th International
Conference, ICIC 2019, Nanchang, China, August 3-6, 2019, Proceedings,
Part I},
volume = {11643},
pages = {424--435},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Mami, Mohamed Nadjib; Graux, Damien; Scerri, Simon; Jabeen, Hajira; Auer, Sören; Lehmann, Jens
Uniform Access to Multiform Data Lakes using Semantic Technologies Inproceedings
In: Proceedings of the 21st International Conference on Information Integration
and Web-based Applications & Services, iiWAS 2019, Munich, Germany,
December 2-4, 2019, pp. 313–322, ACM, 2019.
@inproceedings{DBLP:conf/iiwas/MamiGSJAL19,
title = {Uniform Access to Multiform Data Lakes using Semantic Technologies},
author = {Mohamed Nadjib Mami and
Damien Graux and
Simon Scerri and
Hajira Jabeen and
Sören Auer and
Jens Lehmann},
url = {https://doi.org/10.1145/3366030.3366054},
doi = {10.1145/3366030.3366054},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of the 21st International Conference on Information Integration
and Web-based Applications & Services, iiWAS 2019, Munich, Germany,
December 2-4, 2019},
pages = {313--322},
publisher = {ACM},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Sakor, Ahmad; Mulang, Isaiah Onando; Singh, Kuldeep; Shekarpour, Saeedeh; Vidal, Maria-Esther; Lehmann, Jens; Auer, Sören
Old is Gold: Linguistic Driven Approach for Entity and Relation Linking
of Short Text Inproceedings
In: Proceedings of the 2019 Conference of the North American Chapter of
the Association for Computational Linguistics: Human Language Technologies,
NAACL-HLT 2019, Minneapolis, MN, USA, June 2-7, 2019, Volume 1 (Long
and Short Papers), pp. 2336–2346, Association for Computational Linguistics, 2019.
@inproceedings{DBLP:conf/naacl/SakorMSSV0A19,
title = {Old is Gold: Linguistic Driven Approach for Entity and Relation Linking
of Short Text},
author = {Ahmad Sakor and
Isaiah Onando Mulang and
Kuldeep Singh and
Saeedeh Shekarpour and
Maria-Esther Vidal and
Jens Lehmann and
Sören Auer},
url = {https://doi.org/10.18653/v1/n19-1243},
doi = {10.18653/v1/n19-1243},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of the 2019 Conference of the North American Chapter of
the Association for Computational Linguistics: Human Language Technologies,
NAACL-HLT 2019, Minneapolis, MN, USA, June 2-7, 2019, Volume 1 (Long
and Short Papers)},
pages = {2336--2346},
publisher = {Association for Computational Linguistics},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Ali, Mehdi; Vahdati, Sahar; Singh, Shruti; Dasgupta, Sourish; Lehmann, Jens
Improving Access to Science for Social Good Inproceedings
In: Machine Learning and Knowledge Discovery in Databases - International
Workshops of ECML PKDD 2019, Würzburg, Germany, September
16-20, 2019, Proceedings, Part I, pp. 658–673, Springer, 2019.
@inproceedings{DBLP:conf/pkdd/AliVSD019,
title = {Improving Access to Science for Social Good},
author = {Mehdi Ali and
Sahar Vahdati and
Shruti Singh and
Sourish Dasgupta and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-43823-4_52},
doi = {10.1007/978-3-030-43823-4_52},
year = {2019},
date = {2019-01-01},
booktitle = {Machine Learning and Knowledge Discovery in Databases - International
Workshops of ECML PKDD 2019, Würzburg, Germany, September
16-20, 2019, Proceedings, Part I},
volume = {1167},
pages = {658--673},
publisher = {Springer},
series = {Communications in Computer and Information Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Sadeghi, Afshin; Lehmann, Jens
Linking Physicians to Medical Research Results via Knowledge Graph
Embeddings and Twitter Inproceedings
In: Machine Learning and Knowledge Discovery in Databases - International
Workshops of ECML PKDD 2019, Würzburg, Germany, September
16-20, 2019, Proceedings, Part I, pp. 622–630, Springer, 2019.
@inproceedings{DBLP:conf/pkdd/Sadeghi019,
title = {Linking Physicians to Medical Research Results via Knowledge Graph
Embeddings and Twitter},
author = {Afshin Sadeghi and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-43823-4_49},
doi = {10.1007/978-3-030-43823-4_49},
year = {2019},
date = {2019-01-01},
booktitle = {Machine Learning and Knowledge Discovery in Databases - International
Workshops of ECML PKDD 2019, Würzburg, Germany, September
16-20, 2019, Proceedings, Part I},
volume = {1167},
pages = {622--630},
publisher = {Springer},
series = {Communications in Computer and Information Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Ali, Mehdi; Hoyt, Charles Tapley; Domingo-Fernández, Daniel; Lehmann, Jens
Predicting Missing Links Using PyKEEN Inproceedings
In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations,
Industry, and Outrageous Ideas) co-located with 18th International
Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October
26-30, 2019, pp. 245–248, CEUR-WS.org, 2019.
@inproceedings{DBLP:conf/semweb/AliHD019,
title = {Predicting Missing Links Using PyKEEN},
author = {Mehdi Ali and
Charles Tapley Hoyt and
Daniel Domingo-Fernández and
Jens Lehmann},
url = {http://ceur-ws.org/Vol-2456/paper64.pdf},
year = {2019},
date = {2019-01-01},
booktitle = {Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations,
Industry, and Outrageous Ideas) co-located with 18th International
Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October
26-30, 2019},
volume = {2456},
pages = {245--248},
publisher = {CEUR-WS.org},
series = {CEUR Workshop Proceedings},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Chaudhuri, Debanjan; Rony, Md. Rashad Al Hasan; Jordan, Simon; Lehmann, Jens
Using a KG-Copy Network for Non-goal Oriented Dialogues Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 93–109, Springer, 2019.
@inproceedings{DBLP:conf/semweb/ChaudhuriRJ019,
title = {Using a KG-Copy Network for Non-goal Oriented Dialogues},
author = {Debanjan Chaudhuri and
Md. Rashad Al Hasan Rony and
Simon Jordan and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-30793-6_6},
doi = {10.1007/978-3-030-30793-6_6},
year = {2019},
date = {2019-01-01},
booktitle = {The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I},
volume = {11778},
pages = {93--109},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Dubey, Mohnish; Banerjee, Debayan; Abdelkawi, Abdelrahman; Lehmann, Jens
LC-QAD 2.0: A Large Dataset for Complex Question Answering over Wikidata and DBpedia Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 69–78, Springer, 2019.
@inproceedings{DBLP:conf/semweb/DubeyBA019,
title = {LC-QAD 2.0: A Large Dataset for Complex Question Answering over Wikidata and DBpedia},
author = {Mohnish Dubey and
Debayan Banerjee and
Abdelrahman Abdelkawi and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-30796-7_5},
doi = {10.1007/978-3-030-30796-7_5},
year = {2019},
date = {2019-01-01},
booktitle = {The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II},
volume = {11779},
pages = {69--78},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Frey, Johannes; Hofer, Marvin; Obraczka, Daniel; Lehmann, Jens; Hellmann, Sebastian
DBpedia FlexiFusion the Best of Wikipedia Wikidata Your Data Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 96–112, Springer, 2019.
@inproceedings{DBLP:conf/semweb/FreyHO0H19,
title = {DBpedia FlexiFusion the Best of Wikipedia Wikidata Your Data},
author = {Johannes Frey and
Marvin Hofer and
Daniel Obraczka and
Jens Lehmann and
Sebastian Hellmann},
url = {https://doi.org/10.1007/978-3-030-30796-7_7},
doi = {10.1007/978-3-030-30796-7_7},
year = {2019},
date = {2019-01-01},
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Kristiadi, Agustinus; Khan, Mohammad Asif; Lukovnikov, Denis; Lehmann, Jens; Fischer, Asja
Incorporating Literals into Knowledge Graph Embeddings Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 347–363, Springer, 2019.
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Maheshwari, Gaurav; Trivedi, Priyansh; Lukovnikov, Denis; Chakraborty, Nilesh; Fischer, Asja; Lehmann, Jens
Learning to Rank Query Graphs for Complex Question Answering over
Knowledge Graphs Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part I, pp. 487–504, Springer, 2019.
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Mami, Mohamed Nadjib; Graux, Damien; Scerri, Simon; Jabeen, Hajira; Auer, Sören; Lehmann, Jens
How to Feed the Squerall with RDF and Other Data Nuts? Inproceedings
In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations,
Industry, and Outrageous Ideas) co-located with 18th International
Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October
26-30, 2019, pp. 293–296, CEUR-WS.org, 2019.
@inproceedings{DBLP:conf/semweb/MamiGSJA019,
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author = {Mohamed Nadjib Mami and
Damien Graux and
Simon Scerri and
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Mami, Mohamed Nadjib; Graux, Damien; Scerri, Simon; Jabeen, Hajira; Auer, Sören; Lehmann, Jens
Squerall: Virtual Ontology-Based Access to Heterogeneous and Large Data Sources Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 229–245, Springer, 2019.
@inproceedings{DBLP:conf/semweb/MamiGSJA019a,
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Mehmood, Qaiser; Nadgeri, Abhishek; Saleem, Muhammad; Singh, Kuldeep; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens
Microbenchmarks for Question Answering Systems Using QaldGen Inproceedings
In: Proceedings of the ISWC 2019 Satellite Tracks (Posters & Demonstrations,
Industry, and Outrageous Ideas) co-located with 18th International
Semantic Web Conference (ISWC 2019), Auckland, New Zealand, October
26-30, 2019, pp. 261–264, CEUR-WS.org, 2019.
@inproceedings{DBLP:conf/semweb/MehmoodN0SN019,
title = {Microbenchmarks for Question Answering Systems Using QaldGen},
author = {Qaiser Mehmood and
Abhishek Nadgeri and
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Singh, Kuldeep; Saleem, Muhammad; Nadgeri, Abhishek; Conrads, Felix; Pan, Jeff Z.; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens
QaldGen: Towards Microbenchmarking of Question Answering Systems over
Knowledge Graphs Inproceedings
In: The Semantic Web - ISWC 2019 - 18th International Semantic Web Conference,
Auckland, New Zealand, October 26-30, 2019, Proceedings, Part II, pp. 277–292, Springer, 2019.
@inproceedings{DBLP:conf/semweb/Singh0NCPN019,
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Ali, Mehdi; Hoyt, Charles Tapley; Domingo-Fernández, Daniel; Lehmann, Jens; Jabeen, Hajira
BioKEEN: a library for learning and evaluating biological knowledge
graph embeddings Journal Article
In: Bioinform., vol. 35, no. 18, pp. 3538–3540, 2019.
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Charles Tapley Hoyt and
Daniel Domingo-Fernández and
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Hajira Jabeen},
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Lorena, Ana Carolina; Garcia, Lu'is Paulo F.; Lehmann, Jens; de Souto, Marc'ilio Carlos Pereira; Ho, Tin Kam
How Complex Is Your Classification Problem?: A Survey on Measuring
Classification Complexity Journal Article
In: ACM Comput. Surv., vol. 52, no. 5, pp. 107:1–107:34, 2019.
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title = {How Complex Is Your Classification Problem?: A Survey on Measuring
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Jens Lehmann and
Marc{'i}lio Carlos Pereira de Souto and
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Westphal, Patrick; Bühmann, Lorenz; Bin, Simon; Jabeen, Hajira; Lehmann, Jens
SML-Bench - A benchmarking framework for structured machine learning Journal Article
In: Semantic Web, vol. 10, no. 2, pp. 231–245, 2019.
@article{DBLP:journals/semweb/WestphalBBJL19,
title = {SML-Bench - A benchmarking framework for structured machine learning},
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Lorenz Bühmann and
Simon Bin and
Hajira Jabeen and
Jens Lehmann},
url = {https://doi.org/10.3233/SW-180308},
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Rula, Anisa; Palmonari, Matteo; Rubinacci, Simone; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens; Maurino, Andrea; Esteves, Diego
TISCO: Temporal scoping of facts Journal Article
In: J. Web Semant., vol. 54, pp. 72–86, 2019.
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author = {Anisa Rula and
Matteo Palmonari and
Simone Rubinacci and
Axel-Cyrille Ngonga Ngomo and
Jens Lehmann and
Andrea Maurino and
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Petersohn, Uwe; Zimmer, Sandra; Lehmann, Jens
Method for the semantic indexing of concept hierarchies, uniform representation,
use of relational database systems and generic and case-based reasoning Journal Article
In: CoRR, vol. abs/1910.01539, 2019.
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title = {Method for the semantic indexing of concept hierarchies, uniform representation,
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2018
Esteves, Diego; Rula, Anisa; Reddy, Aniketh J.; Lehmann, Jens
Towards Veracity Assessment in RDF Knowledge Bases: An Exploratory Analysis Journal Article
In: Journal of Data and Information Quality, 2018.
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Jabeen, Hajira; Dadwal, Rajjat; Sejdiu, Gezim; Lehmann, Jens
Divided We Stand Out! Forging Cohorts fOr Numeric Outlier Detection
in Large Scale Knowledge Graphs (CONOD) Inproceedings
In: Knowledge Engineering and Knowledge Management - 21st International
Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings, pp. 534–548, Springer, 2018.
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Graux, Damien; Sejdiu, Gezim; Jabeen, Hajira; Lehmann, Jens; Sui, Danning; Muhs, Dominik; Pfeffer, Johannes
Profiting from Kitties on Ethereum: Leveraging Blockchain RDF with
SANSA Inproceedings
In: Proceedings of the Posters and Demos Track of the 14th International
Conference on Semantic Systems co-located with the 14th International
Conference on Semantic Systems (SEMANTiCS 2018), Vienna, Austria,
September 10-13, 2018, CEUR-WS.org, 2018.
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author = {Damien Graux and
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Sejdiu, Gezim; Ermilov, Ivan; Lehmann, Jens; Mami, Mohamed Nadjib
DistLODStats: Distributed Computation of RDF Dataset Statistics Inproceedings
In: The Semantic Web - ISWC 2018 - 17th International Semantic Web Conference,
Monterey, CA, USA, October 8-12, 2018, Proceedings, Part II, pp. 206–222, Springer, 2018.
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Sejdiu, Gezim; Ermilov, Ivan; Mami, Mohamed Nadjib; Lehmann, Jens
STATisfy Me: What Are My Stats? Inproceedings
In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry
and Blue Sky Ideas Tracks co-located with 17th International Semantic
Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th,
2018, CEUR-WS.org, 2018.
@inproceedings{DBLP:conf/semweb/SejdiuEML18,
title = {STATisfy Me: What Are My Stats?},
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Ivan Ermilov and
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Acosta, Maribel; Zaveri, Amrapali; Simperl, Elena; Kontokostas, Dimitris; Flöck, Fabian; Lehmann, Jens
Detecting Linked Data quality issues via crowdsourcing: A DBpedia
study Journal Article
In: Semantic Web, vol. 9, no. 3, pp. 303–335, 2018.
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Ismayilov, Ali; Kontokostas, Dimitris; Auer, Sören; Lehmann, Jens; Hellmann, Sebastian
Wikidata through the eyes of DBpedia Journal Article
In: Semantic Web, vol. 9, no. 4, pp. 493–503, 2018.
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Jens Lehmann and
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Chaudhuri, Debanjan; Kristiadi, Agustinus; Lehmann, Jens; Fischer, Asja
Improving Response Selection in Multi-Turn Dialogue Systems by Incorporating Domain Knowledge Inproceedings
In: Proceedings of the 22nd Conference on Computational Natural Language
Learning, CoNLL 2018, Brussels, Belgium, October 31 - November 1,
2018, pp. 497–507, Association for Computational Linguistics, 2018.
@inproceedings{DBLP:conf/conll/ChaudhuriKLF18,
title = {Improving Response Selection in Multi-Turn Dialogue Systems by Incorporating Domain Knowledge},
author = {Debanjan Chaudhuri and
Agustinus Kristiadi and
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Nejad, Najmeh Mousavi; Scerri, Simon; Lehmann, Jens
KnIGHT: Mapping Privacy Policies to GDPR Inproceedings
In: Knowledge Engineering and Knowledge Management - 21st International
Conference, EKAW 2018, Nancy, France, November 12-16, 2018, Proceedings, pp. 258–272, Springer, 2018.
@inproceedings{DBLP:conf/ekaw/NejadSL18,
title = {KnIGHT: Mapping Privacy Policies to GDPR},
author = {Najmeh Mousavi Nejad and
Simon Scerri and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-03667-6_17},
doi = {10.1007/978-3-030-03667-6_17},
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Zafar, Hamid; Napolitano, Giulio; Lehmann, Jens
Formal Query Generation for Question Answering over Knowledge Bases Inproceedings
In: The Semantic Web - 15th International Conference, ESWC 2018, Heraklion,
Crete, Greece, June 3-7, 2018, Proceedings, pp. 714–728, Springer, 2018.
@inproceedings{DBLP:conf/esws/ZafarNL18,
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Thakkar, Harsh; Punjani, Dharmen; Lehmann, Jens; Auer, Sören
Two for one: querying property graph databases using SPARQL via
gremlinator Inproceedings
In: Proceedings of the 1st ACM SIGMOD Joint International Workshop
on Graph Data Management Experiences & Systems (GRADES) and Network
Data Analytics (NDA), Houston, TX, USA, June 10, 2018, pp. 12:1–12:5, ACM, 2018.
@inproceedings{DBLP:conf/grades/ThakkarPLA18,
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Dharmen Punjani and
Jens Lehmann and
Sören Auer},
url = {https://doi.org/10.1145/3210259.3210271},
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Westphal, Patrick; Fernández, Javier D.; Kirrane, Sabrina; Lehmann, Jens
SPIRIT: A Semantic Transparency and Compliance Stack Inproceedings
In: Proceedings of the Posters and Demos Track of the 14th International
Conference on Semantic Systems co-located with the 14th International
Conference on Semantic Systems (SEMANTiCS 2018), Vienna, Austria,
September 10-13, 2018, CEUR-WS.org, 2018.
@inproceedings{DBLP:conf/i-semantics/WestphalFKL18,
title = {SPIRIT: A Semantic Transparency and Compliance Stack},
author = {Patrick Westphal and
Javier D. Fernández and
Sabrina Kirrane and
Jens Lehmann},
url = {http://ceur-ws.org/Vol-2198/paper_119.pdf},
year = {2018},
date = {2018-01-01},
booktitle = {Proceedings of the Posters and Demos Track of the 14th International
Conference on Semantic Systems co-located with the 14th International
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Stadler, Claus; Saleem, Muhammad; Ngomo, Axel-Cyrille Ngonga; Lehmann, Jens
Efficiently Pinpointing SPARQL Query Containments Inproceedings
In: Web Engineering - 18th International Conference, ICWE 2018, Cáceres,
Spain, June 5-8, 2018, Proceedings, pp. 210–224, Springer, 2018.
@inproceedings{DBLP:conf/icwe/Stadler0NL18,
title = {Efficiently Pinpointing SPARQL Query Containments},
author = {Claus Stadler and
Muhammad Saleem and
Axel-Cyrille Ngonga Ngomo and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-319-91662-0_16},
doi = {10.1007/978-3-319-91662-0_16},
year = {2018},
date = {2018-01-01},
booktitle = {Web Engineering - 18th International Conference, ICWE 2018, Cáceres,
Spain, June 5-8, 2018, Proceedings},
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Collarana, Diego; Heuss, Timm; Lehmann, Jens; Lytra, Ioanna; Maheshwari, Gaurav; Nedelchev, Rostislav; Schmidt, Thorsten; Trivedi, Priyansh
A Question Answering System on Regulatory Documents Inproceedings
In: Legal Knowledge and Information Systems - JURIX 2018: The Thirty-first
Annual Conference, Groningen, The Netherlands, 12-14 December 2018, pp. 41–50, IOS Press, 2018.
@inproceedings{DBLP:conf/jurix/CollaranaHLLMNS18,
title = {A Question Answering System on Regulatory Documents},
author = {Diego Collarana and
Timm Heuss and
Jens Lehmann and
Ioanna Lytra and
Gaurav Maheshwari and
Rostislav Nedelchev and
Thorsten Schmidt and
Priyansh Trivedi},
url = {https://doi.org/10.3233/978-1-61499-935-5-41},
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year = {2018},
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publisher = {IOS Press},
series = {Frontiers in Artificial Intelligence and Applications},
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Zafar, Hamid; Napolitano, Giulio; Lehmann, Jens
Deep Query Ranking for Question Answering over Knowledge Bases Inproceedings
In: Machine Learning and Knowledge Discovery in Databases - European Conference,
ECML PKDD 2018, Dublin, Ireland, September 10-14, 2018, Proceedings,
Part III, pp. 635–638, Springer, 2018.
@inproceedings{DBLP:conf/pkdd/ZafarNL18,
title = {Deep Query Ranking for Question Answering over Knowledge Bases},
author = {Hamid Zafar and
Giulio Napolitano and
Jens Lehmann},
url = {http://jens-lehmann.org/files/2018/ecml_sqg.pdf},
doi = {10.1007/978-3-030-10997-4_41},
year = {2018},
date = {2018-01-01},
booktitle = {Machine Learning and Knowledge Discovery in Databases - European Conference,
ECML PKDD 2018, Dublin, Ireland, September 10-14, 2018, Proceedings,
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publisher = {Springer},
series = {Lecture Notes in Computer Science},
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Saleem, Muhammad; Mehmood, Qaiser; Stadler, Claus; Lehmann, Jens; Ngomo, Axel-Cyrille Ngonga
Generating SPARQL Query Containment Benchmarks Using the SQCFramework Inproceedings
In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry
and Blue Sky Ideas Tracks co-located with 17th International Semantic
Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th,
2018, CEUR-WS.org, 2018.
@inproceedings{DBLP:conf/semweb/0002MSLN18,
title = {Generating SPARQL Query Containment Benchmarks Using the SQCFramework},
author = {Muhammad Saleem and
Qaiser Mehmood and
Claus Stadler and
Jens Lehmann and
Axel-Cyrille Ngonga Ngomo},
url = {http://ceur-ws.org/Vol-2180/paper-56.pdf},
year = {2018},
date = {2018-01-01},
booktitle = {Proceedings of the ISWC 2018 Posters & Demonstrations, Industry
and Blue Sky Ideas Tracks co-located with 17th International Semantic
Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th,
2018},
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pubstate = {published},
tppubtype = {inproceedings}
}
Banerjee, Debayan; Dubey, Mohnish; Chaudhuri, Debanjan; Lehmann, Jens
Joint Entity and Relation Linking Using EARL Inproceedings
In: Proceedings of the ISWC 2018 Posters & Demonstrations, Industry
and Blue Sky Ideas Tracks co-located with 17th International Semantic
Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th,
2018, CEUR-WS.org, 2018.
@inproceedings{DBLP:conf/semweb/BanerjeeDCL18,
title = {Joint Entity and Relation Linking Using EARL},
author = {Debayan Banerjee and
Mohnish Dubey and
Debanjan Chaudhuri and
Jens Lehmann},
url = {http://ceur-ws.org/Vol-2180/paper-06.pdf},
year = {2018},
date = {2018-01-01},
booktitle = {Proceedings of the ISWC 2018 Posters & Demonstrations, Industry
and Blue Sky Ideas Tracks co-located with 17th International Semantic
Web Conference (ISWC 2018), Monterey, USA, October 8th - to - 12th,
2018},
volume = {2180},
publisher = {CEUR-WS.org},
series = {CEUR Workshop Proceedings},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
Dubey, Mohnish; Banerjee, Debayan; Chaudhuri, Debanjan; Lehmann, Jens
EARL: Joint Entity and Relation Linking for Question Answering over
Knowledge Graphs Inproceedings
In: The Semantic Web - ISWC 2018 - 17th International Semantic Web Conference,
Monterey, CA, USA, October 8-12, 2018, Proceedings, Part I, pp. 108–126, Springer, 2018.
@inproceedings{DBLP:conf/semweb/DubeyBCL18,
title = {EARL: Joint Entity and Relation Linking for Question Answering over
Knowledge Graphs},
author = {Mohnish Dubey and
Debayan Banerjee and
Debanjan Chaudhuri and
Jens Lehmann},
url = {https://doi.org/10.1007/978-3-030-00671-6_7},
doi = {10.1007/978-3-030-00671-6_7},
year = {2018},
date = {2018-01-01},
booktitle = {The Semantic Web - ISWC 2018 - 17th International Semantic Web Conference,
Monterey, CA, USA, October 8-12, 2018, Proceedings, Part I},
volume = {11136},
pages = {108--126},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
keywords = {},
pubstate = {published},
tppubtype = {inproceedings}
}
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