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Knowledge Graphs at Scale

Publications

Native Execution of GraphQL Queries over RDF Graphs Using Multi-Way Joins

Author(s): Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
Published in: Knowledge Graphs: Semantics, Machine Learning, and Languages, Issue Volume 56, 2023, Page(s) 77-93
Publisher: IOS Press
DOI: 10.3233/ssw230007

Cross-lingual AMR Aligner: Paying Attention to Cross-Attention

Author(s): Martinez Lorenzo, Abelardo Carlos; Huguet Cabot, Pere Lluís; Navigli, Roberto
Published in: Findings of the Association for Computational Linguistics: ACL 2023, Issue 2023, 2023, Page(s) 1726–1742
Publisher: ACL
DOI: 10.18653/v1/2023.findings-acl.109

EduCOR:An Educational and Career-Oriented Recommendation Ontology

Author(s): Eleni Ilkou; Hasan Abu-Rasheed; Mohammadreza Tavakoli; Sherzod Hakimov; Gábor Kismihók; Sören Auer; Wolfgang Nejdl
Published in: The Semantic Web – ISWC 2021, Issue vol. 12922, 2021
Publisher: Springer
DOI: 10.1007/978-3-030-88361-4

Exploring the Potential of Knowledge Graphs to Support Distant Knowledge Search for Innovation

Author(s): Dawa Chang
Published in: 13th ACM Web Science Conference 2021, Issue 1, 2021, Page(s) 147–148, ISBN 978-1-4503-8525-1
Publisher: Association for Computing Machinery
DOI: 10.1145/3462741.3466673

NestE: Modeling Nested Relational Structures for Knowledge Graph Reasoning

Author(s): Bo Xiong, Mojtaba Nayyeri, Linhao Luo, Zihao Wang, Shirui Pan,, Steffen Staab
Published in: Proceedings of the AAAI Conference on Artificial Intelligence, Issue 2024-03-24, 2024
Publisher: AAAI
DOI: 10.1609/aaai.v38i8.28772

Ultrahyperbolic Knowledge Graph Embeddings

Author(s): Bo Xiong; Shichao Zhu; Mojtaba Nayyeri; Chengjin Xu; Shirui Pan; Chuan Zhou; Steffen Staab
Published in: ACM SIGKDD Conference on Knowledge Discovery and Data Mining, KDD-22, 2022, Page(s) Pages 2130–2139
Publisher: ACM
DOI: 10.1145/3534678.3539333

Incorporating Graph Information in Transformer-based AMR Parsing

Author(s): Vasylenko, Pavlo; Huguet Cabot, Pere Lluís; Martinez Lorenzo, Abelardo Carlos; Navigli, Roberto
Published in: Findings of the Association for Computational Linguistics: ACL 2023, Issue 19, 2023
Publisher: ACL
DOI: 10.18653/v1/2023.findings-acl.125

A Semantic Policy Language for Usage Control

Author(s): Ines Akaichi and Sabrina Kirrane
Published in: Posters, Demos and Workshops at SEMANTiCS 2022, 2022
Publisher: CEUR Workshop Proceedings

Pseudo-Riemannian Graph Convolutional Networks

Author(s): Bo Xiong, Shichao Zhu, Nico Potyka, Shirui Pan, Chuan Zhou, Steffen Staab
Published in: 36th Conference on Neural Information Processing Systems (NeurIPS 2022), Issue 31 October 2022, 2022
Publisher: Openreivew

(Semi-) Automatic Construction of Knowledge Graph Metadata

Author(s): Maryam Mohammadi
Published in: The Semantic Web: ESWC 2022 Satellite Events, 2022
Publisher: Springer-Verlag
DOI: 10.1007/978-3-031-11609-4_32

Faithful Embeddings for EL++ Knowledge Bases

Author(s): Bo Xiong; Nico Potyka; Trung-Kien Tran; Mojtaba Nayyeri; Steffen Staab
Published in: ISWC 2022: 21st International Semantic Web Conference, 2022, Page(s) Pages 22–38
Publisher: Springer
DOI: 10.1007/978-3-031-19433-7_2

Semantic Technology based Usage Control for Decentralized Systems

Author(s): Ines Akaichi
Published in: Proceedings of the Doctoral Consortium at ISWC 2022, 2022
Publisher: CEUR Workshop Proceedings

RED$^{\rm FM}$: a Filtered and Multilingual Relation Extraction Dataset

Author(s): Cabot, Pere-Lluís Huguet; Tedeschi, Simone; Ngomo, Axel-Cyrille Ngonga; Navigli, Roberto
Published in: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Issue July 2023, 2023
Publisher: ACL 2023
DOI: 10.18653/v1/2023.acl-long.237

Fully-Semantic Parsing and Generation: the BabelNet Meaning Representation

Author(s): Abelardo Carlos Martínez Lorenzo, Marco Maru, Roberto Navigli
Published in: Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics, 2022
Publisher: Association for Computational Linguistics
DOI: 10.18653/v1/2022.acl-long.121

Link Prediction with Attention Applied on Multiple Knowledge Graph Embedding Models

Author(s): Cosimo Gregucci, Mojtaba Nayyeri, Daniel Hernández, Steffen Staab
Published in: WWW '23: Proceedings of the ACM Web Conference 2023, Issue April 2023, 2023, Page(s) Pages 2600–2610
Publisher: ACM
DOI: 10.1145/3543507.3583358

BabelNet Meaning Representation: A Fully Semantic Formalism to Overcome Language Barriers

Author(s): Navigli, Roberto;Blloshmi, Rexhina;Martinez Lorenzo, Abelardo Carlos
Published in: Proceedings of the 36th AAAI Conference on Artificial Intelligence, 2022
Publisher: Association for the Advancement of Artificial Intelligence
DOI: 10.1609/aaai.v36i11.21490

Toward a Comparison Framework for Interactive Ontology Enrichment Methodologies

Author(s): Jarno Vrolijk, Ioannis Reklos, Mahsa Vafaie, Arcangelo Massari, Maryam Mohammadi, Sebastian Rudolph
Published in: Visualization and Interaction for Ontologies and Linked Data 2022, 2022
Publisher: CEUR Workshop Proceedings

Shrinking Embeddings for Hyper-Relational Knowledge Graphs

Author(s): Bo Xiong, Mojtaba Nayyeri, Shirui Pan, Steffen Staab
Published in: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Issue 2023, 2023
Publisher: Association for Computational Linguistics
DOI: 10.18653/v1/2023.acl-long.743

Time-aware Entity Alignment using Temporal Relational Attention

Author(s): Chengjin Xu, Fenglong Su, Bo Xiong, Jens Lehmann
Published in: Proceedings of the ACM Web Conference (WWW) 2022, Issue April 2022, 2022, Page(s) Pages 788–797
Publisher: ACM
DOI: 10.1145/3485447.3511922

Symbolic Vs Sub-symbolic AI Methods: Friends or Enemies?

Author(s): Ilkou, E., & Koutraki, M. (2020)
Published in: International Conference on Information and Knowledge Management (CIKM), Issue vol. 2699, 2020, Page(s) 3523–3524, ISSN 1613-0073
Publisher: CEUR Workshop Proceedings (CEUR-WS.org)

HybridFC: A Hybrid Fact-Checking Approach for Knowledge Graphs

Author(s): Umair Qudus, Michael Röder, Muhammad Saleem & Axel-Cyrille Ngonga Ngomo
Published in: The Semantic Web - {ISWC} 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Issue October 23-27, 2022, 2022, Page(s) 462-480
Publisher: Springer
DOI: 10.1007/978-3-031-19433-7_27

Neural Class Expression Synthesis

Author(s): N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Published in: The Semantic Web. ESWC 2023. Lecture Notes in Computer Science, Issue 13870, 2023, Page(s) 209–226, ISBN 978-3-031-33454-2
Publisher: Springer
DOI: 10.1007/978-3-031-33455-9_13

Neural Class Expression Synthesis in ALCHIQ(D)

Author(s): N’Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Published in: Machine Learning and Knowledge Discovery in Databases: Research Track. ECML PKDD 2023. Lecture Notes in Computer Science, Issue 14172, 2023, Page(s) 196–212, ISBN 978-3-031-43421-1
Publisher: Springer
DOI: 10.1007/978-3-031-43421-1_12

AMRs Assemble! Learning to Ensemble with Autoregressive Models for AMR Parsing

Author(s): Martinez Lorenzo, Abelardo Carlos; Huguet Cabot, Pere Lluís; Navigli, Roberto
Published in: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Issue 2023, 2023
Publisher: ACL
DOI: 10.18653/v1/2023.acl-short.137

Learning Concept Lengths Accelerates Concept Learning in ALC

Author(s): N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Published in: The Semantic Web - 19th International Conference, {ESWC} 2022, Hersonissos, Crete, Greece, May 29 - June 2, 2022, Proceedings, 2022, Page(s) 236-252
Publisher: Springer
DOI: 10.1007/978-3-031-06981-9_14

Hyperbolic Embedding Inference for Structured Multi-Label Prediction

Author(s): Bo Xiong, Michael Cochez, Mojtaba Nayyeri, Steffen Staab
Published in: 36th Conference on Neural Information Processing Systems (NeurIPS 2022)., Issue 31 October 2022, 2022
Publisher: Openreview

REBEL: Relation Extraction By End-to-end Language generation

Author(s): Pere-Lluís Huguet Cabot, Roberto Navigli
Published in: Proc. of Findings of EMNLP, 2021, Page(s) 2370–2381
Publisher: European ACL

Us vs. Them: A Dataset of Populist Attitudes, News Bias and Emotions

Author(s): Pere-Lluís Huguet Cabot, David Abadi, Agneta Fischer, Ekaterina Shutova
Published in: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, Issue April 19 - 23, 2021, 2021, Page(s) 1921-1945
Publisher: Association for Computational Linguistics
DOI: 10.18653/v1/2021.eacl-main.165

TEMPORALFC: A Temporal Fact Checking approach over Knowledge Graphs

Author(s): Umair Qudus, Michael Röder, Sabrina Kirrane, Axel-Cyrille Ngonga Ngomo
Published in: The Semantic Web – ISWC 2023, Issue November 6-10, 2023, 2023, Page(s) 465–483
Publisher: Springer International Publishing
DOI: 10.1007/978-3-031-47240-4_25

An Empirical Evaluation of Cost-based Federated SPARQL Query Processing Engines

Author(s): Umair Qudus and Muhammad Saleem and Axel-Cyrille Ngonga Ngomo and Young-Koo Lee
Published in: Semantic Web, Issue vol. 12, no. 6, 2021, Page(s) 843-868, ISSN 1570-0844
Publisher: IOS Press
DOI: 10.3233/sw-200420

CollabGraph: A Graph-Based Collaborative Search Summary Visualization

Author(s): Eleni Ilkou; Tetiana Tolmachova; Marco Fisichella; Davide Taibi
Published in: IEEE Transactions on Learning Technologies, Issue VOL. 16, NO. 3, JUNE 2023, 2023, Page(s) 382-398, ISSN 1939-1382
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tlt.2023.3242174

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