Knowledge Graphs at Scale

Livrables

Innovation and exploitation prototypes and guidelines

The application and evaluation of the proposed best practices in healthcare, biomedical and financial domains, and the provision of general guidelines for the development of innovative products and services based on KGs that benefit citizens, the economy and society.

Syntax Formalisms for Representing KGs

Describes abstract and concrete syntaxes for representing hybrid representations with constraints and allows for representation learning.

Legally and ethically sound innovation best practices

Provide best practices in terms of legally and ethically sound innovation methods, processes and standards.

Semantic Representations for KGs

Describes interacting semantics for syntactic modules.

Maintenance of KGs

Describes the current approaches to the maintenance of KGs which integrate continuously-updated resources and the new solutions proposed in T2.3.

Knowledge Graph Operators

Provides software and scientific documentation about accomplished developments and evaluation of knowledge graph operators.

Knowledge Graph Data Structures

Describes the state of the art and specifies data structures suitable for storing knowledge graphs as developed in T3.1 and T3.2.

Construction of KGs

Describes the state of the art in constructing KGs and the innovative approaches put forward during T2.2 (a first approach in a first version of the deliverable and an improved version with a second version of the deliverable).

Dissemination Training for ESRs

This report will summarize the actions taken to train the ESRs w.r.t disseminating their results efficiently and effectively.

Website

This deliverable will give a brief overview of the website including its design and functionality.

Publications

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

Auteurs: Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
Publié dans: Knowledge Graphs: Semantics, Machine Learning, and Languages, Numéro Volume 56, 2023, Page(s) 77-93
Éditeur: IOS Press
DOI: 10.3233/ssw230007

Personal Knowledge Graphs: Use Cases in e-learning Platforms

Auteurs: Ilkou, Eleni
Publié dans: Companion Proceedings of the Web Conference 2022 (WWW '22 Companion), 2022, ISBN 978-1-4503-9130-6
Éditeur: Association for Computing Machinery
DOI: 10.1145/3487553.3524196

NPCS: Native Provenance Computation for SPARQL

Auteurs: Zubaria Asma, Daniel Hernández, Luis Galárraga, Giorgos Flouris, Irini Fundulaki, Katja Hose
Publié dans: WWW '24: Proceedings of the ACM on Web Conference 2024, 2024, Page(s) 2085-2093
Éditeur: ACM
DOI: 10.1145/3589334.3645557

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

Auteurs: Martinez Lorenzo, Abelardo Carlos; Huguet Cabot, Pere Lluís; Navigli, Roberto
Publié dans: Findings of the Association for Computational Linguistics: ACL 2023, Numéro 2023, 2023, Page(s) 1726–1742
Éditeur: ACL
DOI: 10.18653/v1/2023.findings-acl.109

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

Auteurs: Dawa Chang
Publié dans: 13th ACM Web Science Conference 2021, Numéro June 2021, 2021, Page(s) 147-148, ISBN 978-1-4503-8525-1
Éditeur: Association for Computing Machinery
DOI: 10.1145/3462741.346667

Neural Class Expression Synthesis

Auteurs: N’Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Publié dans: Proceedings of the 17th International Workshop on Neural-Symbolic Learning and Reasoning (NeSy), 2023, Page(s) 430-431, ISSN 1613-0073
Éditeur: CEUR

EduCOR: An Educational and Career-Oriented Recommendation Ontology

Auteurs: Eleni Ilkou, Hasan Abu-Rasheed, Mohammadreza Tavakoli, Sherzod Hakimov, Gábor Kismihók, Sören Auer, Wolfgang Nejdl
Publié dans: The Semantic Web – ISWC 2021, Lecture Notes in Computer Science, 2021, Page(s) 546-562, ISBN 978-3-030-88361-4
Éditeur: Springer International Publishing
DOI: 10.1007/978-3-030-88361-4_32

NestE: Modeling Nested Relational Structures for Knowledge Graph Reasoning

Auteurs: Bo Xiong, Mojtaba Nayyeri, Linhao Luo, Zihao Wang, Shirui Pan, Steffen Staab
Publié dans: Proceedings of the AAAI Conference on Artificial Intelligence, Numéro 2024-03-24, 2024
Éditeur: AAAI
DOI: 10.1609/aaai.v38i8.28772

Ultrahyperbolic Knowledge Graph Embeddings

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

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

Auteurs: Abelardo Carlos Martínez Lorenzo, Pere Lluís Huguet Cabot, Roberto Navigli
Publié dans: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), Numéro 2023, 2023
Éditeur: Association for Computational Linguistics
DOI: 10.18653/v1/2023.acl-short.137

A Semantic Policy Language for Usage Control

Auteurs: Ines Akaichi and Sabrina Kirrane
Publié dans: Posters, Demos and Workshops at SEMANTiCS 2022, 2022
Éditeur: CEUR Workshop Proceedings

Pseudo-Riemannian Graph Convolutional Networks

Auteurs: Bo Xiong, Shichao Zhu, Nico Potyka, Shirui Pan, Chuan Zhou, Steffen Staab
Publié dans: 36th Conference on Neural Information Processing Systems (NeurIPS 2022), Numéro 31 October 2022, 2022
Éditeur: Openreivew

(Semi-) Automatic Construction of Knowledge Graph Metadata

Auteurs: Maryam Mohammadi
Publié dans: The Semantic Web: ESWC 2022 Satellite Events, 2022
Éditeur: Springer-Verlag
DOI: 10.1007/978-3-031-11609-4_32

Faithful Embeddings for EL++ Knowledge Bases

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

Semantic Technology based Usage Control for Decentralized Systems

Auteurs: Ines Akaichi
Publié dans: Proceedings of the Doctoral Consortium at ISWC 2022, 2022
Éditeur: CEUR Workshop Proceedings

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

Auteurs: Cabot, Pere-Lluís Huguet; Tedeschi, Simone; Ngomo, Axel-Cyrille Ngonga; Navigli, Roberto
Publié dans: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Numéro July 2023, 2023
Éditeur: ACL 2023
DOI: 10.18653/v1/2023.acl-long.237

Fully-Semantic Parsing and Generation: the BabelNet Meaning Representation

Auteurs: Abelardo Carlos Martínez Lorenzo, Marco Maru, Roberto Navigli
Publié dans: Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics, 2022
Éditeur: Association for Computational Linguistics
DOI: 10.18653/v1/2022.acl-long.121

Link Prediction with Attention Applied on Multiple Knowledge Graph Embedding Models

Auteurs: Cosimo Gregucci, Mojtaba Nayyeri, Daniel Hernández, Steffen Staab
Publié dans: WWW '23: Proceedings of the ACM Web Conference 2023, Numéro April 2023, 2023, Page(s) Pages 2600–2610
Éditeur: ACM
DOI: 10.1145/3543507.3583358

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

Auteurs: Navigli, Roberto;Blloshmi, Rexhina;Martinez Lorenzo, Abelardo Carlos
Publié dans: Proceedings of the 36th AAAI Conference on Artificial Intelligence, 2022
Éditeur: Association for the Advancement of Artificial Intelligence
DOI: 10.1609/aaai.v36i11.21490

Universal Knowledge Graph Embeddings

Auteurs: N’Dah Jean Kouagou, Caglar Demir, Hamada M. Zahera, Adrian Wilke, Stefan Heindorf, Jiayi Li, Axel-Cyrille Ngonga Ngomo
Publié dans: Association for Computing Machinery, New York, United States, 2024, Page(s) 1793-1797, ISBN 979-8-4007-0172-6
Éditeur: Association for Computing Machinery, New York, United States
DOI: 10.1145/3589335.3651978

Toward a Comparison Framework for Interactive Ontology Enrichment Methodologies

Auteurs: Jarno Vrolijk, Ioannis Reklos, Mahsa Vafaie, Arcangelo Massari, Maryam Mohammadi, Sebastian Rudolph
Publié dans: Visualization and Interaction for Ontologies and Linked Data 2022, 2022
Éditeur: CEUR Workshop Proceedings

Shrinking Embeddings for Hyper-Relational Knowledge Graphs

Auteurs: Bo Xiong, Mojtaba Nayyeri, Shirui Pan, Steffen Staab
Publié dans: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Numéro 2023, 2023
Éditeur: Association for Computational Linguistics
DOI: 10.18653/v1/2023.acl-long.743

Incorporating Graph Information in Transformer-based AMR Parsing

Auteurs: Pavlo Vasylenko, Pere Lluís Huguet Cabot, Abelardo Carlos Martínez Lorenzo, Roberto Navigli
Publié dans: Findings of the Association for Computational Linguistics: ACL 2023, Numéro 2023, 2023
Éditeur: Association for Computational Linguistics
DOI: 10.18653/v1/2023.findings-acl.125

Time-aware Entity Alignment using Temporal Relational Attention

Auteurs: Chengjin Xu, Fenglong Su, Bo Xiong, Jens Lehmann
Publié dans: Proceedings of the ACM Web Conference (WWW) 2022, Numéro April 2022, 2022, Page(s) Pages 788–797
Éditeur: ACM
DOI: 10.1145/3485447.3511922

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

Auteurs: Ilkou, E., & Koutraki, M. (2020)
Publié dans: International Conference on Information and Knowledge Management (CIKM), Numéro vol. 2699, 2020, Page(s) 3523–3524, ISSN 1613-0073
Éditeur: CEUR Workshop Proceedings (CEUR-WS.org)

HybridFC: A Hybrid Fact-Checking Approach for Knowledge Graphs

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

Neural Class Expression Synthesis

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

Neural Class Expression Synthesis in ALCHIQ(D)

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

Learning Concept Lengths Accelerates Concept Learning in ALC

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

Hyperbolic Embedding Inference for Structured Multi-Label Prediction

Auteurs: Bo Xiong, Michael Cochez, Mojtaba Nayyeri, Steffen Staab
Publié dans: 36th Conference on Neural Information Processing Systems (NeurIPS 2022)., Numéro 31 October 2022, 2022
Éditeur: Openreview

GUCON: A Generic Graph Pattern based Policy Framework for Usage Control Enforcement

Auteurs: Ines Akaichi, Giorgos Flouris, Irini Fundulaki and Sabrina Kirrane
Publié dans: International Joint Conference on Rules and Reasoning (RuleML+RR), 2023, Page(s) 34-53, ISBN 978-3-031-45072-3
Éditeur: Springer
DOI: 10.1007/978-3-031-45072-3_3

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

Auteurs: Pere-Lluís Huguet Cabot, Roberto Navigli
Publié dans: Proc. of Findings of EMNLP, 2021, Page(s) 2370–2381
Éditeur: European ACL

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

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

TEMPORALFC: A Temporal Fact Checking approach over Knowledge Graphs

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

Legal-Ethical Challenges and Technological Solutions to e-Health Data Consent in the EU

Auteurs: Doan, X., Florea, M., & Carter, S. E.
Publié dans: HHAI 2023: Augmenting Human Intellect - Proceedings of the 2nd International Conference on Hybrid Human-Artificial Intelligence, 2023, Page(s) 243-253
Éditeur: IOS Press EBooks
DOI: 10.3233/faia230088

Is Automated Consent in Solid GDPR-Compliant? An Approach for Obtaining Valid Consent with the Solid Protocol

Auteurs: Marcu Florea and Beatriz Esteves
Publié dans: Information (Switzerland) Special Numéro Addressing Privacy and Data Protection in New Technological Trends, 2023, ISSN 2078-2489
Éditeur: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/info14120631

Certification as guidance for data protection by design

Auteurs: Efstratios Koulierakis
Publié dans: International Review of Law Computers and Technology, 2023, ISSN 1364-6885
Éditeur: Taylor & Francis
DOI: 10.1080/13600869.2023.2269498

Withdrawal of consent for processing personal data in biomedical research

Auteurs: Marcu Florea
Publié dans: International Data Privacy Law, Numéro 13(2), 2023, Page(s) 107-123, ISSN 2044-4001
Éditeur: Oxford University Press
DOI: 10.1093/idpl/ipad008

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

Auteurs: Umair Qudus and Muhammad Saleem and Axel-Cyrille Ngonga Ngomo and Young-Koo Lee
Publié dans: Semantic Web, Numéro vol. 12, no. 6, 2021, Page(s) 843-868, ISSN 1570-0844
Éditeur: IOS Press
DOI: 10.3233/sw-200420

The challenge of incorporating legal rules into digital applications: a theoretical exploration of article 25 GDPR

Auteurs: Efstratios Koulierakis
Publié dans: ILLYRIUS International Scientific Review, 2022, Page(s) 35-46, ISSN 2225-2894
Éditeur: e Italo-Albanian Center of Studies, High Formation and Researches CESIAL of CEMAS “Sapienza” Università di Roma

CollabGraph: A Graph-Based Collaborative Search Summary Visualization

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

Livrables

Publications

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