Knowledge Graphs at Scale

Risultati finali

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.

Pubblicazioni

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

Autori: Nikolaos Karalis, Alexander Bigerl, Axel-Cyrille Ngonga Ngomo
Pubblicato in: Knowledge Graphs: Semantics, Machine Learning, and Languages, Numero Volume 56, 2023, Pagina/e 77-93
Editore: IOS Press
DOI: 10.3233/ssw230007

Personal Knowledge Graphs: Use Cases in e-learning Platforms

Autori: Ilkou, Eleni
Pubblicato in: Companion Proceedings of the Web Conference 2022 (WWW '22 Companion), 2022, ISBN 978-1-4503-9130-6
Editore: Association for Computing Machinery
DOI: 10.1145/3487553.3524196

NPCS: Native Provenance Computation for SPARQL

Autori: Zubaria Asma, Daniel Hernández, Luis Galárraga, Giorgos Flouris, Irini Fundulaki, Katja Hose
Pubblicato in: WWW '24: Proceedings of the ACM on Web Conference 2024, 2024, Pagina/e 2085-2093
Editore: ACM
DOI: 10.1145/3589334.3645557

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

Autori: Martinez Lorenzo, Abelardo Carlos; Huguet Cabot, Pere Lluís; Navigli, Roberto
Pubblicato in: Findings of the Association for Computational Linguistics: ACL 2023, Numero 2023, 2023, Pagina/e 1726–1742
Editore: ACL
DOI: 10.18653/v1/2023.findings-acl.109

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

Autori: Dawa Chang
Pubblicato in: 13th ACM Web Science Conference 2021, Numero June 2021, 2021, Pagina/e 147-148, ISBN 978-1-4503-8525-1
Editore: Association for Computing Machinery
DOI: 10.1145/3462741.346667

Neural Class Expression Synthesis

Autori: N’Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Pubblicato in: Proceedings of the 17th International Workshop on Neural-Symbolic Learning and Reasoning (NeSy), 2023, Pagina/e 430-431, ISSN 1613-0073
Editore: CEUR

EduCOR: An Educational and Career-Oriented Recommendation Ontology

Autori: Eleni Ilkou, Hasan Abu-Rasheed, Mohammadreza Tavakoli, Sherzod Hakimov, Gábor Kismihók, Sören Auer, Wolfgang Nejdl
Pubblicato in: The Semantic Web – ISWC 2021, Lecture Notes in Computer Science, 2021, Pagina/e 546-562, ISBN 978-3-030-88361-4
Editore: Springer International Publishing
DOI: 10.1007/978-3-030-88361-4_32

NestE: Modeling Nested Relational Structures for Knowledge Graph Reasoning

Autori: Bo Xiong, Mojtaba Nayyeri, Linhao Luo, Zihao Wang, Shirui Pan, Steffen Staab
Pubblicato in: Proceedings of the AAAI Conference on Artificial Intelligence, Numero 2024-03-24, 2024
Editore: AAAI
DOI: 10.1609/aaai.v38i8.28772

Ultrahyperbolic Knowledge Graph Embeddings

Autori: Bo Xiong; Shichao Zhu; Mojtaba Nayyeri; Chengjin Xu; Shirui Pan; Chuan Zhou; Steffen Staab
Pubblicato in: ACM SIGKDD Conference on Knowledge Discovery and Data Mining, KDD-22, 2022, Pagina/e Pages 2130–2139
Editore: ACM
DOI: 10.1145/3534678.3539333

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

Autori: Abelardo Carlos Martínez Lorenzo, Pere Lluís Huguet Cabot, Roberto Navigli
Pubblicato in: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers), Numero 2023, 2023
Editore: Association for Computational Linguistics
DOI: 10.18653/v1/2023.acl-short.137

A Semantic Policy Language for Usage Control

Autori: Ines Akaichi and Sabrina Kirrane
Pubblicato in: Posters, Demos and Workshops at SEMANTiCS 2022, 2022
Editore: CEUR Workshop Proceedings

Pseudo-Riemannian Graph Convolutional Networks

Autori: Bo Xiong, Shichao Zhu, Nico Potyka, Shirui Pan, Chuan Zhou, Steffen Staab
Pubblicato in: 36th Conference on Neural Information Processing Systems (NeurIPS 2022), Numero 31 October 2022, 2022
Editore: Openreivew

(Semi-) Automatic Construction of Knowledge Graph Metadata

Autori: Maryam Mohammadi
Pubblicato in: The Semantic Web: ESWC 2022 Satellite Events, 2022
Editore: Springer-Verlag
DOI: 10.1007/978-3-031-11609-4_32

Faithful Embeddings for EL++ Knowledge Bases

Autori: Bo Xiong; Nico Potyka; Trung-Kien Tran; Mojtaba Nayyeri; Steffen Staab
Pubblicato in: ISWC 2022: 21st International Semantic Web Conference, 2022, Pagina/e Pages 22–38
Editore: Springer
DOI: 10.1007/978-3-031-19433-7_2

Semantic Technology based Usage Control for Decentralized Systems

Autori: Ines Akaichi
Pubblicato in: Proceedings of the Doctoral Consortium at ISWC 2022, 2022
Editore: CEUR Workshop Proceedings

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

Autori: Cabot, Pere-Lluís Huguet; Tedeschi, Simone; Ngomo, Axel-Cyrille Ngonga; Navigli, Roberto
Pubblicato in: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Numero July 2023, 2023
Editore: ACL 2023
DOI: 10.18653/v1/2023.acl-long.237

Fully-Semantic Parsing and Generation: the BabelNet Meaning Representation

Autori: Abelardo Carlos Martínez Lorenzo, Marco Maru, Roberto Navigli
Pubblicato in: Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics, 2022
Editore: Association for Computational Linguistics
DOI: 10.18653/v1/2022.acl-long.121

Link Prediction with Attention Applied on Multiple Knowledge Graph Embedding Models

Autori: Cosimo Gregucci, Mojtaba Nayyeri, Daniel Hernández, Steffen Staab
Pubblicato in: WWW '23: Proceedings of the ACM Web Conference 2023, Numero April 2023, 2023, Pagina/e Pages 2600–2610
Editore: ACM
DOI: 10.1145/3543507.3583358

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

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

Universal Knowledge Graph Embeddings

Autori: N’Dah Jean Kouagou, Caglar Demir, Hamada M. Zahera, Adrian Wilke, Stefan Heindorf, Jiayi Li, Axel-Cyrille Ngonga Ngomo
Pubblicato in: Association for Computing Machinery, New York, United States, 2024, Pagina/e 1793-1797, ISBN 979-8-4007-0172-6
Editore: Association for Computing Machinery, New York, United States
DOI: 10.1145/3589335.3651978

Toward a Comparison Framework for Interactive Ontology Enrichment Methodologies

Autori: Jarno Vrolijk, Ioannis Reklos, Mahsa Vafaie, Arcangelo Massari, Maryam Mohammadi, Sebastian Rudolph
Pubblicato in: Visualization and Interaction for Ontologies and Linked Data 2022, 2022
Editore: CEUR Workshop Proceedings

Shrinking Embeddings for Hyper-Relational Knowledge Graphs

Autori: Bo Xiong, Mojtaba Nayyeri, Shirui Pan, Steffen Staab
Pubblicato in: Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics, Numero 2023, 2023
Editore: Association for Computational Linguistics
DOI: 10.18653/v1/2023.acl-long.743

Incorporating Graph Information in Transformer-based AMR Parsing

Autori: Pavlo Vasylenko, Pere Lluís Huguet Cabot, Abelardo Carlos Martínez Lorenzo, Roberto Navigli
Pubblicato in: Findings of the Association for Computational Linguistics: ACL 2023, Numero 2023, 2023
Editore: Association for Computational Linguistics
DOI: 10.18653/v1/2023.findings-acl.125

Time-aware Entity Alignment using Temporal Relational Attention

Autori: Chengjin Xu, Fenglong Su, Bo Xiong, Jens Lehmann
Pubblicato in: Proceedings of the ACM Web Conference (WWW) 2022, Numero April 2022, 2022, Pagina/e Pages 788–797
Editore: ACM
DOI: 10.1145/3485447.3511922

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

Autori: Ilkou, E., & Koutraki, M. (2020)
Pubblicato in: International Conference on Information and Knowledge Management (CIKM), Numero vol. 2699, 2020, Pagina/e 3523–3524, ISSN 1613-0073
Editore: CEUR Workshop Proceedings (CEUR-WS.org)

HybridFC: A Hybrid Fact-Checking Approach for Knowledge Graphs

Autori: Umair Qudus, Michael Röder, Muhammad Saleem & Axel-Cyrille Ngonga Ngomo
Pubblicato in: The Semantic Web - {ISWC} 2022 - 21st International Semantic Web Conference, Virtual Event, October 23-27, 2022, Proceedings, Numero October 23-27, 2022, 2022, Pagina/e 462-480
Editore: Springer
DOI: 10.1007/978-3-031-19433-7_27

Neural Class Expression Synthesis

Autori: N'Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Pubblicato in: The Semantic Web. ESWC 2023. Lecture Notes in Computer Science, Numero 13870, 2023, Pagina/e 209–226, ISBN 978-3-031-33454-2
Editore: Springer
DOI: 10.1007/978-3-031-33455-9_13

Neural Class Expression Synthesis in ALCHIQ(D)

Autori: N’Dah Jean Kouagou, Stefan Heindorf, Caglar Demir, Axel-Cyrille Ngonga Ngomo
Pubblicato in: Machine Learning and Knowledge Discovery in Databases: Research Track. ECML PKDD 2023. Lecture Notes in Computer Science, Numero 14172, 2023, Pagina/e 196–212, ISBN 978-3-031-43421-1
Editore: Springer
DOI: 10.1007/978-3-031-43421-1_12

Learning Concept Lengths Accelerates Concept Learning in ALC

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

Hyperbolic Embedding Inference for Structured Multi-Label Prediction

Autori: Bo Xiong, Michael Cochez, Mojtaba Nayyeri, Steffen Staab
Pubblicato in: 36th Conference on Neural Information Processing Systems (NeurIPS 2022)., Numero 31 October 2022, 2022
Editore: Openreview

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

Autori: Ines Akaichi, Giorgos Flouris, Irini Fundulaki and Sabrina Kirrane
Pubblicato in: International Joint Conference on Rules and Reasoning (RuleML+RR), 2023, Pagina/e 34-53, ISBN 978-3-031-45072-3
Editore: Springer
DOI: 10.1007/978-3-031-45072-3_3

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

Autori: Pere-Lluís Huguet Cabot, Roberto Navigli
Pubblicato in: Proc. of Findings of EMNLP, 2021, Pagina/e 2370–2381
Editore: European ACL

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

Autori: Pere-Lluís Huguet Cabot, David Abadi, Agneta Fischer, Ekaterina Shutova
Pubblicato in: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, Numero April 19 - 23, 2021, 2021, Pagina/e 1921-1945
Editore: Association for Computational Linguistics
DOI: 10.18653/v1/2021.eacl-main.165

TEMPORALFC: A Temporal Fact Checking approach over Knowledge Graphs

Autori: Umair Qudus, Michael Röder, Sabrina Kirrane, Axel-Cyrille Ngonga Ngomo
Pubblicato in: The Semantic Web – ISWC 2023, Numero November 6-10, 2023, 2023, Pagina/e 465–483
Editore: 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

Autori: Doan, X., Florea, M., & Carter, S. E.
Pubblicato in: HHAI 2023: Augmenting Human Intellect - Proceedings of the 2nd International Conference on Hybrid Human-Artificial Intelligence, 2023, Pagina/e 243-253
Editore: IOS Press EBooks
DOI: 10.3233/faia230088

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

Autori: Marcu Florea and Beatriz Esteves
Pubblicato in: Information (Switzerland) Special Numero Addressing Privacy and Data Protection in New Technological Trends, 2023, ISSN 2078-2489
Editore: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/info14120631

Certification as guidance for data protection by design

Autori: Efstratios Koulierakis
Pubblicato in: International Review of Law Computers and Technology, 2023, ISSN 1364-6885
Editore: Taylor & Francis
DOI: 10.1080/13600869.2023.2269498

Withdrawal of consent for processing personal data in biomedical research

Autori: Marcu Florea
Pubblicato in: International Data Privacy Law, Numero 13(2), 2023, Pagina/e 107-123, ISSN 2044-4001
Editore: Oxford University Press
DOI: 10.1093/idpl/ipad008

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

Autori: Umair Qudus and Muhammad Saleem and Axel-Cyrille Ngonga Ngomo and Young-Koo Lee
Pubblicato in: Semantic Web, Numero vol. 12, no. 6, 2021, Pagina/e 843-868, ISSN 1570-0844
Editore: IOS Press
DOI: 10.3233/sw-200420

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

Autori: Efstratios Koulierakis
Pubblicato in: ILLYRIUS International Scientific Review, 2022, Pagina/e 35-46, ISSN 2225-2894
Editore: 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

Autori: Eleni Ilkou; Tetiana Tolmachova; Marco Fisichella; Davide Taibi
Pubblicato in: IEEE Transactions on Learning Technologies, Numero VOL. 16, NO. 3, JUNE 2023, 2023, Pagina/e 382-398, ISSN 1939-1382
Editore: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tlt.2023.3242174

Risultati finali

Pubblicazioni

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