Publications

⭐ indicates first-author publications

Journal Articles

2026

• Tarabanis, C., Khurshid, S., Karamanou, A., Piperaki, R., Mavromatis, L. A., Hatzimemos, A., Tachmatzidis, D., Bakogiannis, C., Vassilikos, V., Ellinor, P. T., Jankelson, L., & Kalampokis, E. (2026). Cardiology knowledge assessment of retrieval-augmented open versus proprietary large language models. PLOS Digital Health, 5(3), e0001029.

2025

• Laios, A., Quaranta, M., Tan, Y., Karamanou, A., Theophilou, G., Thangavelu, A., De Jong, D., Broadhead, T., Koufman, A., Nugent, D., & Kalampokis, E. (2025). Measuring the empathetic intelligence of large language models in ovarian cancer queries. BJOG: An International Journal of Obstetrics and Gynaecology, 132, 101–101.

2024

• ⭐ Karamanou, A., Brimos, P., Kalampokis, E., & Tarabanis, K. (2024). Explainable graph neural networks: An application to open statistics knowledge graphs for estimating house prices. Technologies, 12(8), 128.

2023

• Brimos, P., Karamanou, A., Kalampokis, E., & Tarabanis, K. (2023). Graph neural networks and open government data to forecast traffic flow. Information, 14(4).

• ⭐ Karamanou, A., Kalampokis, E., & Tarabanis, K. (2023). Integrated statistical indicators from Scottish linked open government data. Data in Brief, 46, 108779.

2022

• ⭐ Karamanou, A., Kalampokis, E., & Tarabanis, K. (2022). Linked open government data to predict and explain house prices: The case of Scottish statistics portal. Big Data Research, 30, 100355.

• ⭐ Karamanou, A., Brimos, P., Kalampokis, E., & Tarabanis, K. (2022). Exploring the quality of dynamic open government data using statistical and machine learning methods. Sensors, 22(24), 9684.

• Petsis, S., Karamanou, A., Kalampokis, E., & Tarabanis, K. (2022). Forecasting and explaining emergency department visits in a public hospital. Journal of Intelligent Information Systems, 59, 479–500.

2019

• Kalampokis, E., Karamanou, A., & Tarabanis, K. (2019). Interoperability conflicts in linked open statistical data. Information, 10(8), 249.

2017

• Kalampokis, E., Karamanou, A., Tambouris, E., & Tarabanis, K. (2017). On predicting election results using Twitter and linked open data: The case of the UK 2010 election. Journal of Universal Computer Science, 23(3), 280–303.

2016

• Kalampokis, E., Karamanou, A., Tambouris, E., & Tarabanis, K. (2016). Applying brand equity theory to understand consumer opinion in social media. Journal of Universal Computer Science, 22(5), 709–734.

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Conference Papers

2026

• Promikyridis, R., Ouzounidis, K., Zeginis, D., Tambouris, E., Karamanou, A., Kalampokis, E., Tarabanis, K., Johannessen, M., & Berntzen, L. (2026). From Documents to Data: Rethinking Public Service Delivery in the Greek Public Administration. In: Rupino da Cunha, P., Themistocleous, M. (eds) Information Systems. EMCIS 2025. Lecture Notes in Business Information Processing, vol 573. Springer, Cham.

• Tambouris, E., Promikyridis, R., Patsouris, C. F., Zeginis, D.,Karamanou, A., Kalampokis, E., Tarabanis, K., Johannessen, M., & Berntzen, L. (2026). AI-driven dialogue systems for personalized information provision in eGovernment: The case of MITOS dialogues. In Proceedings of NiDS 2025 (pp. 171–182). Springer.

2025

• ⭐ Karamanou, A., Kalampokis, E., Fitsilis, F., Theodorakopoulos, G., & Tarabanis, K. (2025). Evaluating open and proprietary large language models in law interpretation: The case of the EU VAT directive. In Proceedings of EGOV 2025 (pp. 380–394). Springer.

2024

• Maslaris, I., Karamanou, A., Kalampokis, E., & Tarabanis, K. (2024). Evaluating large language models in interaction with open government data. In PCI 2024 (pp. 26–33). ACM.

• Kalampokis, E., Karacapilidis, N., Karamanou, A., & Tarabanis, K. (2024). Fostering multilingual deliberation through generative artificial intelligence. In EGOV 2024. CEUR.

• Brimos, P., Seregkos, P., Karamanou, A., Kalampokis, E., & Tarabanis, K. (2024). Deep learning missing value imputation on traffic data using self-attention and GAN-based methods. In PACET 2024. IEEE.

2023

• ⭐ Karamanou, A., Mangou, E., & Tarabanis, K. (2023). An ecosystem for deploying artificial intelligence in public administration. In Proceedings of the International Conference on Electronic Government (pp. 192–207).

• Mamalis, M., Kalampokis, E., Karamanou, A., Brimos, P., & Tarabanis, K. (2023). Can large language models revolutionize open government data portals? In PCI 2023 (pp. 53–59). ACM.

• Brimos, P., Karamanou, A., Kalampokis, E., Mamalis, M., & Tarabanis, K. (2023). Explainable graph neural networks on linked statistical data. In PCI 2023 (pp. 36–41). ACM.

• Brimos, P., Karamanou, A., Kalampokis, E., & Tarabanis, K. (2023). Traffic flow prediction with Swiss open data. In EGOV 2023. Springer.

2022

• ⭐Karamanou, A., Brimos, P., Kalampokis, E., & Tarabanis, K. (2022). Exploring the quality of dynamic open government data for data intelligence applications. In PCI 2022 (pp. 102–109). ACM.

2021

• Kalampokis, E., Karamanou, A., & Tarabanis, K. (2021). Applying explainable artificial intelligence techniques on linked open government data. In EGOV 2021 (pp. 247–258). Springer.

2019

• Kalampokis, E., Karamanou, A., & Tarabanis, K. (2019). Towards interoperable open statistical data. In EGOV 2019 (pp. 180–191). Springer.

2018

• Kalampokis, E., Karamanou, A., & Tarabanis, K. (2018). Combining statistical data for machine learning analysis. In SemStats 2018. CEUR.

2017

• ⭐ Karamanou, A., Panopoulou, E., Cipan, V., Čengija, D., Jelić, D., Tambouris, E., & Tarabanis, K. (2017). Fostering active participation of young people in democratic life. In e-Democracy 2017. Springer.

2016

• ⭐ Karamanou, A., Kalampokis, E., Tambouris, E., & Tarabanis, K. (2016). Linked data cubes: Research results so far. In SemStats 2016. CEUR.

• Kalampokis, E., Tambouris, E., Karamanou, A., & Tarabanis, K. (2016). Open statistics: The rise of a new era for open data. In EGOV 2016 (pp. 31–43). Springer.

2015

• ⭐Karamanou, A., (2015). Towards exploiting linked open governmental statistical data. In EGOV & ePart 2015 Joint Proceedings (pp. 319–326). IOS Press.

• Kalampokis, E., Roberts, B., Karamanou, A., Tambouris, E., & Tarabanis, K. (2015). Challenges on developing tools for exploiting linked open data cubes. In SemStats 2015. CEUR.

2014

• Kalampokis, E., Karamanou, A., Nikolov, A., Haase, P., Cyganiak, R., Roberts, B., Hermans, P., Tambouris, E., & Tarabanis, K. (2014). Creating and utilizing linked open statistical data. In SemStats 2014. CEUR.

• Kalampokis, E., Nikolov, A., Haase, P., Cyganiak, R., Stasiewicz, A., Karamanou, A., Zotou, M., Zeginis, D., Tambouris, E., & Tarabanis, K. (2014). Exploiting linked data cubes with OpenCube toolkit. In ISWC 2014. CEUR.

2013

• Kalampokis, E., Karamanou, A., Tambouris, E., & Tarabanis, K. (2013). Towards a vocabulary for incorporating predictive models into the linked data web. In SemStats 2013. CEUR.

2011

• ⭐ Karamanou, A., Loutas, N., & Tarabanis, K. (2011). ArgVis: Structuring political deliberations using innovative visualisation technologies. In ePart 2011 (pp. 87–98). Springer.

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Conference Abstracts

2025

• Quaranta, M., De Jong, D., Tan, Y. S., Karamanou, A., Broadhead, T., Thangavelu, A., Koufman, A., Nugent, D., Kalampokis, E., Theophilou, G., & Laios, A. (2025). Evaluating large language models in ovarian cancer queries. International Journal of Gynecologic Cancer, 35(Suppl. 1).

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Other Presentations

2010

• ⭐ Karamanou, A., (2010). Εφαρμογή τεχνολογιών ανοιχτού λογισμικού στην ηλεκτρονική συμμετοχή. ΕΛΛΑΚ Conference 2010, Thessaloniki.