Spatio-TEmporal Linked data tools for the AgRi-food data space

Información del proyecto

STELAR

Identificador del acuerdo de subvención: 101070122

DOI

10.3030/101070122

Proyecto cerrado

Fecha de la firma de la CE 12 Junio 2022

Fecha de inicio 1 Septiembre 2022

Fecha de finalización 31 Agosto 2025

Financiado con arreglo a

• Digital, Industry and Space

Coste total

€ 5 678 325,00

Aportación de la UE

€ 4 845 985,75

Coordinado por

ATHINA-EREVNITIKO KENTRO KAINOTOMIAS STIS TECHNOLOGIES TIS PLIROFORIAS, TON EPIKOINONION KAI TIS GNOSIS
Greece

CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.

Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .

Resultado final

Documents, reports (8)

Project management guide

Defines the project monitoring processes, conflict, risk management, deliverable review procedures, etc., to be used for a smooth project implementation.

Dissemination, communication and exploitation plan and reports (v3)

The main reference for communication activities, with guidelines for partners to disseminate and exploit results. Also includes an action plan on the planned synergies with complementary initiatives.

Use cases, requirements and architecture (v1)

A report presenting the analysis of the use cases, requirements and KPIs, and the design of the STELAR architecture; output of T1.1 and T1.2.

Dissemination, communication and exploitation plan and reports (v2)

The main reference for communication activities, with guidelines for partners to disseminate and exploit results. Also includes an action plan on the planned synergies with complementary initiatives.

Dissemination, communication and exploitation plan and reports (v1)

The main reference for communication activities, with guidelines for partners to disseminate and exploit results. Also includes an action plan on the planned synergies with complementary initiatives.

Sustainability & IPR management strategy (v2)

Reports identifying clear and timely measures towards capitalizing on and ensuring sustainability of STELAR results.

Piloting scenarios and evaluation plan (v1)

Report documenting the plan for the development of the demonstrators and the methodology and materials for the pilot trials, revised and updated before each piloting round; output of T5.1.

Sustainability & IPR management strategy (v1)

Reports identifying clear and timely measures towards capitalizing on and ensuring sustainability of STELAR results.

Other (8)

The STELAR KLMS (v1)

Software comprising the integrated KLMS, including the core platform and the data management tools; output of T1.5.

Spatio-temporal data alignment and correlations (v1)

Software tools for aligning and fusing spatio-temporal data and for discovering complex correlations; output of T3.3 and T3.4.

Spatial, temporal and textual data annotation (v1)

Software tools for automating the annotation and labeling of geospatial data, time series and text; output of T4.1 and T4.2.

Data profiling and summarization (v1)

Software tools for data profiling, cleaning, and summarization; output of T2.1 and T2.2.

Data catalog and knowledge graph (v1)

The software comprising the STELAR data catalog and KG; output of T2.3 and T2.4.

Bias detection and synthetic data generation (v1)

Software tools for detecting data bias and for generating synthetic data; output of T4.3 and T4.4.

Workflow manager and user APIs (v1)

Software components including the workflow manager and the user management infrastructure, dashboards and APIs; output of T1.3 and T1.4.

Schema matching and entity linking (v1)

Software tools for automating the specification of mappings and links between schemas, ontologies, vocabularies, and data instances; output of T3.1 and T3.2.

Data Management Plan (1)

Data management plan

Report presenting the methodology regarding the collection, handling, exploitation, and dissemination of all data assets applied in the project.

Publicaciones

Conference proceedings (28)

Using LLMs to Extract Food Entities from Cooking Recipes

Autores: Vasiliki Pitsilou, George Papadakis, Dimitrios Skoutas
Publicado en: 2024 IEEE 40th International Conference on Data Engineering Workshops (ICDEW), 2025
Editor: IEEE
DOI: 10.1109/ICDEW61823.2024.00008

MMM-fair: An Interactive Toolkit for Exploring and Operationalizing Multi-Fairness Trade-offs

Autores: Swati Swati, Arjun Roy, Emmanouil Panagiotou, Eirini Ntoutsi
Publicado en: CIKM 2025, 2025
Editor: ACM
DOI: 10.1145/3746252.3761476

Self-configured Entity Resolution with pyJedAI

Autores: Efthymiou Vasilis, Ekaterini Ioannou, Manos Karvounis, Manolis Koubarakis, Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Dimitrios Skoutas, Yannis Velegrakis, and Alexandros Zeakis
Publicado en: IEEE Big Data 2023 (vision paper), 2023
Editor: IEEE
DOI: 10.5281/zenodo.10070414

Exploring Fusion Techniques in Multimodal AI-Based Recruitment: Insights from FairCVdb

Autores: Swati Swati, Arjun Roy, Eirini Ntoutsi
Publicado en: EWAF’24, 2024
Editor: CEUR-WS
DOI: 10.48550/ARXIV.2407.16892

MultiCast: Zero-Shot Multivariate Time Series Forecasting Using LLMs

Autores: Georgios Chatzigeorgakidis, Konstantinos Lentzos, Dimitrios Skoutas
Publicado en: 2024 IEEE 40th International Conference on Data Engineering Workshops (ICDEW), 2024
Editor: IEEE
DOI: 10.1109/ICDEW61823.2024.00022

A Critical Re-evaluation of Benchmark Datasets for (Deep) Learning-Based Matching Algorithms

Autores: George Papadakis, Nishadi Kirielle, Peter Christen, Themis Palpanas
Publicado en: IEEE International Conference on Data Engineering (ICDE), 2024
Editor: IEEE
DOI: 10.48550/arXiv.2307.01231

Entity Matching with 7B LLMs: A Study on Prompting Strategies and Hardware Limitations

Autores: Arvanitis-Kasinikos, Ioannis, and George Papadakis
Publicado en: 27th International Workshop on Design, Optimization, Lan- guages and Analytical Processing of Big Data, 2025
Editor: CEUR-WS

Achieving Socio-Economic Parity through the Lens of EU AI Act.

Autores: Arjun Roy, Stavroula Rizou, Symeon Papadopoulos, Eirini Ntoutsi
Publicado en: Proceedings of the 2025 ACM Conference on Fairness, Accountability, and Transparency. 2025., 2025
Editor: ACM
DOI: 10.48550/ARXIV.2503.23056

Unlocking LLMs: Addressing Scarce Data and Bias Challenges in Mental Health and Therapeutic Counselling

Autores: Vivek Kumar, Eirini Ntoutsi, Pushpraj Singh Rajawat, Giacomo Medda, Diego Reforgiato Recupero
Publicado en: Proceedings of the First International Conference on Natural Language Processing and Artificial Intelligence for Cyber Security. 2024, 2024
Editor: International Conference on Natural Language Processing and Artificial Intelligence for Cyber Security
DOI: 10.48550/ARXIV.2412.12981

Tabcf: Counterfactual explanations for tabular data using a transformer-based vae,

Autores: Emmanouil Panagiotou, Manuel Heurich, Tim Landgraf, Eirini Ntoutsi
Publicado en: Proceedings of the 5th ACM International Conference on AI in Finance. 2024, 2024
Editor: ACM
DOI: 10.48550/ARXIV.2410.10463

Benchmarking Filtering Techniques for Entity Resolution

Autores: George Papadakis, Marco Fisichella, Franziska Schoger, George Mandilaras, Nikolaus Augsten, and Wolfgang Nejdl
Publicado en: 39th International Conference on Data Engineering (ICDE) 2023, 2023
Editor: IEEE
DOI: 10.48550/arXiv.2202.12521

Synopses for Summarizing Spatial Data Streams

Autores: Kiezebrink, Jacco J.E.; Punter, Wieger R.; Papapetrou, Odysseas; Verbeek, Kevin A.B.
Publicado en: International Conference on Extending Database Technology (EDBT), 2024
Editor: OpenProceedings
DOI: 10.48786/EDBT.2025.23

KGSEC: A Modular Framework for Knowledge Graph Schema Extraction and Comparison

Autores: Petros Skoufis, Dimitrios Skoutas
Publicado en: 2024 IEEE 40th International Conference on Data Engineering (ICDE), 2024
Editor: IEEE
DOI: 10.1109/ICDE60146.2024.00426

The Five Generations of Entity Resolution on Web Data

Autores: Konstantinos Nikoletos, Ekaterini Ioannou, George Papadakis
Publicado en: Lecture Notes in Computer Science, Web Engineering, 2024
Editor: Springer Nature Switzerland
DOI: 10.1007/978-3-031-62362-2_46

MULISSE: Variable-Length Similarity Search for Multivariate Time Series

Autores: Balázs Pelok, Jens E. d'Hondt
Publicado en: 2025 IEEE 41st International Conference on Data Engineering Workshops (ICDEW), 2025
Editor: IEEE
DOI: 10.1109/ICDEW67478.2025.00026

Leaf Area Index Time Series Imputation for Early Yield Prediction

Autores: Christoph Jörges, Jens d'Hondt, Georgios Chatzigeorgakidis, Silke Migdall, Christian Miesgang, Susanne Karg, Heike Bach, Panagiotis Betchavas, Dimitrios Skoutas
Publicado en: Big Data from Space (BiDS'23), 2023, ISBN 978-92-68-08696-4
Editor: Publications Office of the European Union
DOI: 10.5281/zenodo.10958959

ChronoTab: Forecasting Multivariate Time Series with Tabular LLMs

Autores: Zeakis, Alexandros; Chatzigeorgakidis, Georgios; Lentzos, Konstantinos; Skoutas, Dimitrios
Publicado en: 2025 IEEE 41st International Conference on Data Engineering Workshops (ICDEW), 2025
Editor: IEEE
DOI: 10.1109/ICDEW67478.2025.00025

AvengER: Ensembling and Fine-Tuning LLMs for SELECT Prompts in Entity Resolution

Autores: Alexandros Zeakis, George Papadakis, Dimitrios Skoutas, Manolis Koubarakis
Publicado en: Lecture Notes in Computer Science, The Semantic Web, 2025
Editor: Springer Nature Switzerland
DOI: 10.1007/978-3-031-94575-5_17

Multivariate Similarity Search - A Call for a New Breed of Similarity Search Algorithms

Autores: Odysseas Papapetrou, Jens E. d'Hondt
Publicado en: 2024 IEEE 40th International Conference on Data Engineering (ICDE), 2024
Editor: IEEE
DOI: 10.1109/ICDE60146.2024.00461

pyJedAI: a Lightsaber for Link Discovery

Autores: Nikoletos, Konstantinos, George Papadakis, and Manolis Koubarakis
Publicado en: ISWC (Posters/Demos/Industry) 2022, 2022
Editor: CEUR-WS.org
DOI: 10.13140/RG.2.2.12171.16160

Adversarial Robustness of VAEs across Intersectional Subgroups

Autores: Chethan Krishnamurthy Ramanaik, Arjun Roy, Eirini Ntoutsi
Publicado en: 4th Workshop on Bias and Fairness in AI Workshop at ECML PKDD 2024, 2024
Editor: ECMLPKDD
DOI: 10.48550/ARXIV.2407.03864

TABFAIRGDT: A Fast Fair Tabular Data Generator using Autoregressive Decision Trees

Autores: Emmanouil Panagiotou, Benoît Ronval, Arjun Roy, Ludwig Bothmann, Bernd Bischl, Siegfried Nijssen, Eirini Ntoutsi
Publicado en: IEEE International Conference on Data Mining (ICDM), 2025
Editor: IEEE
DOI: 10.48550/ARXIV.2509.19927

FairBranch: Mitigating Bias Transfer in Fair Multi-task Learning

Autores: Arjun Roy, Christos Koutlis, Symeon Papadopoulos, Eirini Ntoutsi
Publicado en: 2024 International Joint Conference on Neural Networks (IJCNN). IEEE, 2024, 2024
Editor: IEEE
DOI: 10.48550/ARXIV.2310.13746

ExtremeEarth: Managing Water Availability for Crops Using Earth Observation and Machine Learning

Autores: Florian Appel, Heike Bach, Silke Migdall, Manolis Koubarakis, George Stamoulis, Dimitris Bilidas, Despina-Athanasia Pantazi, Lorenzo Bruzzone, Claudia Paris, and Giulio Weikmann
Publicado en: EDBT 2023, 2023
Editor: OpenProceedings.org
DOI: 10.5281/zenodo.7808413

The Question Answering System GeoQA2

Autores: Dharmen Punjani, Sergios-Anestis Kefalidis, Konstantinos Plas, Eleni Tsalapati, Manolis Koubarakis, Pierre Maret
Publicado en: 2nd International Workshop on Geospatial Knowledge Graphs and GeoAI, 2023
Editor: Zenodo
DOI: 10.5281/zenodo.10423032

Supervised Scheduling for Geospatial Interlinking

Autores: Siampou Maria Despoina, George Papadakis, Nikos Mamoulis, and Manolis Koubarakis
Publicado en: 31st ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL’23), 2023
Editor: ACM
DOI: 10.5281/zenodo.10070449

Synthetic tabular data generation for class imbalance and fairness: A comparative study

Autores: Emmanouil Panagiotou, Arjun Roy, Eirini Ntoutsi
Publicado en: 4th Workshop on Bias and Fairness in AI Workshop at ECML PKDD 2024, 2024
Editor: ECMLPKDD
DOI: 10.48550/ARXIV.2409.05215

Beyond the dimensions: A structured evaluation of multivariate time series distance measures

Autores: Jens E d’Hondt, Odysseas Papapetrou, John Paparrizos
Publicado en: 2024 IEEE 40th International Conference on Data Engineering Workshops (ICDEW), 2024
Editor: IEEE
DOI: 10.1109/ICDEW61823.2024.00020

Peer reviewed articles (13)

Pre-trained Embeddings for Entity Resolution: An Experimental Analysis

Autores: Alexandros Zeakis, George Papadakis, Dimitrios Skoutas, and Manolis Koubarakis
Publicado en: Proceedings of the VLDB Endowment, Edición 16, 2023, ISSN 2150-8097
Editor: VLDB Endowment
DOI: 10.14778/3598581.3598594

And synopses for all: A synopses data engine for extreme scale analytics-as-a-service

Autores: Antonios Kontaxakis, Nikos Giatrakos, Dimitris Sacharidis, and Antonios Deligiannakis
Publicado en: Information Systems, 2023, ISSN 0306-4379
Editor: Elsevier Science & Technology
DOI: 10.1016/j.is.2023.102221

OmniSketch: Streaming Data Analytics with Arbitrary Predicates

Autores: Wieger R. Punter, Odysseas Papapetrou, Minos Garofalakis
Publicado en: ACM SIGMOD Record, Edición 54, 2025, ISSN 0163-5808
Editor: Association for Computing Machinery (ACM)
DOI: 10.1145/3733620.3733627

Efficient detection of multivariate correlations with different correlation measures

Autores: Jens E. d'Hondt, Koen Minartz, Odysseas Papapetrou
Publicado en: VLDB Journal, Edición 33, 2024, ISSN 1066-8888
Editor: Springer-Verlag
DOI: 10.1007/s00778-023-00815-y

A Structured Study of Multivariate Time-Series Distance Measures

Autores: Jens E. d'Hondt, Haojun Li, Fan Yang, Odysseas Papapetrou, John Paparrizos
Publicado en: Proceedings of the ACM on Management of Data, Edición 3, 2025, ISSN 2836-6573
Editor: Association for Computing Machinery (ACM)
DOI: 10.1145/3725258

Auto-Configuring Entity Resolution Pipelines

Autores: Konstantinos Nikoletos, Vasilis Efthymiou, George Papadakis, Kostas Stefanidis
Publicado en: IEEE Access, Edición 13, 2025, ISSN 2169-3536
Editor: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.1109/ACCESS.2025.3600541

GSM: A generalized approach to Supervised Meta-blocking for scalable entity resolution

Autores: Gagliardelli Luca, George Papadakis, Giovanni Simonini, Sonia Bergamaschi, and Themis Palpanas
Publicado en: Information Systems, 2023, ISSN 0306-4379
Editor: Elsevier Science & Technology
DOI: 10.1016/j.is.2023.102307

OmniSketch: Efficient Multi-Dimensional High-Velocity Stream Analytics with Arbitrary Predicates

Autores: Wieger R. Punter, Odysseas Papapetrou, Minos N. Garofalakis
Publicado en: Proceedings of the VLDB Endowment, Edición 17, 2023, ISSN 2150-8097
Editor: VLDB Endowment Inc.
DOI: 10.14778/3632093.3632098

<scp>py</scp>J<scp>ed</scp>AI: A Library with Resolution-Related Structures and Procedures for Products

Autores: Ekaterini Ioannou, Konstantinos Nikoletos, George Papadakis
Publicado en: INFORMS Journal on Computing, Edición 37, 2025, ISSN 1091-9856
Editor: Institute for Operations Research and the Management Sciences (INFORMS)
DOI: 10.1287/IJOC.2023.0410

An analysis of one-to-one matching algorithms for entity resolution

Autores: Papadakis George, Efthymiou Vasilis, Thanos Emmanouil, Hassanzadeh Oktie, and Christen Peter
Publicado en: The VLDB Journal, 2023, ISSN 1066-8888
Editor: Springer
DOI: 10.1007/s00778-023-00791-3

TokenJoin: Efficient Filtering for Set Similarity Join with Maximum Weighted Bipartite Matching

Autores: Zeakis Alexandros, Dimitrios Skoutas, Dimitris Sacharidis, Odysseas Papapetrou, and Manolis Koubarakis
Publicado en: Proceedings of the VLDB Endowment, 2022, ISSN 2150-8097
Editor: VLDB Endowment
DOI: 10.14778/3574245.3574263

Progressive Entity Matching: A Design Space Exploration

Autores: Jakub Maciejewski, Konstantinos Nikoletos, George Papadakis, Yannis Velegrakis
Publicado en: Proceedings of the ACM on Management of Data, Edición 3, 2025, ISSN 2836-6573
Editor: Association for Computing Machinery (ACM)
DOI: 10.1145/3709715

Three-dimensional Geospatial Interlinking with JedAI-spatial

Autores: Marios Papamichalopoulos; George Papadakis; George Mandilaras; Maria Siampou; Nikos Mamoulis; Manolis Koubarakis
Publicado en: Journal of Web Semantics, 2024, ISSN 1873-7749
Editor: Elsevier
DOI: 10.48550/ARXIV.2205.01905