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Documents authored by Dimou, Anastasia

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DOI: 10.4230/TGDK.4.2.2
How Human-Centric Are Our Graph Data Abstractions?

Authors: Angela Bonifati, Anastasia Dimou, Stefania Dumbrava, George Fletcher, Katja Hose, George Konstantinidis, Jose Emilio Labra Gayo, Wim Martens, Nina Pardal, Liat Peterfreund, Katherine Thornton, Maria-Esther Vidal, and Hannes Voigt

Published in: TGDK, Volume 4, Issue 2 (2026): Special Issue on Data Management for (Knowledge) Graphs. Transactions on Graph Data and Knowledge, Volume 4, Issue 2

Abstract
Graph data abstractions are often assumed to be intuitive, but experience shows that they are not equally understandable or usable in practice. In this vision and challenges paper, we examine the human-centricity of contemporary graph data abstractions through four lenses: researchability, usability, teachability, and societal impact. Drawing on diverse real-world use cases, ranging from clinical data and collaborative knowledge bases to biological and pangenomic graphs, we distill insights from database research, human-computer interaction, and education. Based on this analysis, we identify open research challenges that must be addressed to make graph abstractions easier to study, use, learn, and reason about.
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Angela Bonifati, Anastasia Dimou, Stefania Dumbrava, George Fletcher, Katja Hose, George Konstantinidis, Jose Emilio Labra Gayo, Wim Martens, Nina Pardal, Liat Peterfreund, Katherine Thornton, Maria-Esther Vidal, and Hannes Voigt. How Human-Centric Are Our Graph Data Abstractions?. In Special Issue on Data Management for (Knowledge) Graphs. Transactions on Graph Data and Knowledge (TGDK), Volume 4, Issue 2, pp. 2:1-2:31, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2026)

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@Article{bonifati_et_al:TGDK.4.2.2,
  author =	{Bonifati, Angela and Dimou, Anastasia and Dumbrava, Stefania and Fletcher, George and Hose, Katja and Konstantinidis, George and Gayo, Jose Emilio Labra and Martens, Wim and Pardal, Nina and Peterfreund, Liat and Thornton, Katherine and Vidal, Maria-Esther and Voigt, Hannes},
  title =	{{How Human-Centric Are Our Graph Data Abstractions?}},
  journal =	{Transactions on Graph Data and Knowledge},
  pages =	{2:1--2:31},
  ISSN =	{2942-7517},
  year =	{2026},
  volume =	{4},
  number =	{2},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/TGDK.4.2.2},
  URN =		{urn:nbn:de:0030-drops-275837},
  doi =		{10.4230/TGDK.4.2.2},
  annote =	{Keywords: graph data abstractions, property graphs, RDF, human-centric data management, usability, computing education}
}
Document
DOI: 10.4230/DagRep.14.2.1
Are Knowledge Graphs Ready for the Real World? Challenges and Perspective (Dagstuhl Seminar 24061)

Authors: David Chaves-Fraga, Oscar Corcho, Anastasia Dimou, Maria-Esther Vidal, Ana Iglesias-Molina, and Dylan Van Assche

Published in: Dagstuhl Reports, Volume 14, Issue 2 (2024)

Abstract
This report documents the program and results of the Dagstuhl Seminar 24061 "Are Knowledge Graphs Ready for the Real World? Challenges and Perspectives". The seminar focused on gaining a better understanding of the open challenges required for the development of Knowledge Graph ecosystems. The seminar focused on four different topics: access control and privacy in decentralized knowledge graphs, knowledge graph construction lifecycle, software methods for improving KG implementation, and a new wave of knowledge engineers and their expected skills. By focusing on these relevant research topics, the seminar aimed to reflect on KGs from a more fundamental computer science perspective. It brought together interdisciplinary researchers from academia and industry to discuss foundations, concepts, and implementations that will pave the way for the next generation of KGs ready for real-world use.
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David Chaves-Fraga, Oscar Corcho, Anastasia Dimou, Maria-Esther Vidal, Ana Iglesias-Molina, and Dylan Van Assche. Are Knowledge Graphs Ready for the Real World? Challenges and Perspective (Dagstuhl Seminar 24061). In Dagstuhl Reports, Volume 14, Issue 2, pp. 1-70, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024)

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@Article{chavesfraga_et_al:DagRep.14.2.1,
  author =	{Chaves-Fraga, David and Corcho, Oscar and Dimou, Anastasia and Vidal, Maria-Esther and Iglesias-Molina, Ana and Van Assche, Dylan},
  title =	{{Are Knowledge Graphs Ready for the Real World? Challenges and Perspective (Dagstuhl Seminar 24061)}},
  pages =	{1--70},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2024},
  volume =	{14},
  number =	{2},
  editor =	{Chaves-Fraga, David and Corcho, Oscar and Dimou, Anastasia and Vidal, Maria-Esther and Iglesias-Molina, Ana and Van Assche, Dylan},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.14.2.1},
  URN =		{urn:nbn:de:0030-drops-204983},
  doi =		{10.4230/DagRep.14.2.1},
  annote =	{Keywords: access control and privacy, federated query processing, intelligent knowledge graph management, programming paradigms for knowledge graphs, semantic data integration}
}

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