Publications

Full list below. See also my Google Scholar profile.

2026

CIKM 2026

Aligning Real-World Document Schemas to Fine-Grained Concept Vocabularies Enver Menadjiev, Isaac Fisher, Kai Spicer, Christos Koutras, Andrew Bell ACM CIKM 2026, Rome, Italy · To appear

Patterns

BDI-Kit: An AI-powered toolkit for biomedical data harmonization Roque Lopez, Aecio Santos, Christos Koutras, Juliana Freire Patterns (Cell Press)

SIGMOD 2026

BDI-Kit Demo: A Toolkit for Programmable and Conversational Data Harmonization Roque Lopez, Yurong Liu, Christos Koutras, Juliana Freire ACM SIGMOD 2026, Bangalore, India

SIGMOD 2026

BDIViz in Action: Interactive Curation and Benchmarking for Schema Matching Methods Eden Wu, Christos Koutras, Juliana Freire ACM SIGMOD 2026, Bangalore, India

VLDB 2026

Interoperability in Healthcare: A Primer and New Frontiers Andra Ionescu, Paris Carbone, Sebastiaan Meijer, Christos Koutras, Juliana Freire, Katja Hose, Jayanth Raghothama Proceedings of VLDB 2026, Boston, MA, USA

2025

IEEE DEBull

Large Language Models for Data Discovery and Integration: Challenges and Opportunities Juliana Freire, Grace Fan, Benjamin Feuer, Christos Koutras, Yurong Liu, Eduardo Pena, Aecio Santos, Claudio Silva, Eden Wu IEEE Data Engineering Bulletin

IEEE VIS 2025

BDIViz: An Interactive Visualization System for Biomedical Schema Matching with LLM-Powered Validation Eden Wu, Dishita G Turakhia, Guande Wu, Christos Koutras, Sarah Keegan, Wenke Liu, Beata Szeitz, David Fenyo, Claudio Silva, Juliana Freire Proceedings of IEEE VIS 2025, Vienna, Austria

VLDB 2025

OmniMatch: Joinability Discovery in Data Products Christos Koutras, Jiani Zhang, Xiao Qin, Chuan Lei, Vasileios Ioannidis, Christos Faloutsos, George Karypis, Asterios Katsifodimos Proceedings of VLDB 2025, London, UK

2023

ICDE 2023

Amalur: Data Integration Meets Machine Learning Rihan Hai, Christos Koutras, Andra Ionescu, Ziyu Li, Wenbo Sun, Jessie van Schijndel, Yan Kang, Asterios Katsifodimos Proceedings of IEEE ICDE 2023, Anaheim, USA

TKDE

Data Lakes: A Survey of Functions and Systems Rihan Hai, Christos Koutras, Christoph Quix, Matthias Jarke IEEE Transactions on Knowledge and Data Engineering (TKDE)

2022

CIDR 2022

Amalur: Next-generation Data Integration in Data Lakes Rihan Hai, Christos Koutras, Andra Ionescu, Marios Fragkoulis, Asterios Katsifodimos Conference on Innovative Data Systems Research (CIDR) 2022

TRL @ NeurIPS 2022

SiMa: Effective and Efficient Matching Across Data Silos Using Graph Neural Networks Christos Koutras, Rihan Hai, Kyriakos Psarakis, Marios Fragkoulis, Asterios Katsifodimos First Table Representation Learning Workshop @ NeurIPS 2022, New Orleans, USA

2021

ICDE 2021

Valentine: Evaluating Matching Techniques for Dataset Discovery Christos Koutras, George Siachamis, Andra Ionescu, Kyriakos Psarakis, Jerry Brons, Marios Fragkoulis, Christoph Lofi, Angela Bonifati, Asterios Katsifodimos Proceedings of IEEE ICDE 2021, Chania, Greece

VLDB 2021

Valentine in Action: Matching Tabular Data at Scale Christos Koutras, Kyriakos Psarakis, George Siachamis, Andra Ionescu, Marios Fragkoulis, Angela Bonifati, Asterios Katsifodimos Proceedings of VLDB 2021, Copenhagen, Denmark

2020

SeaData @ EDBT 2020

REMA: Graph Embeddings-based Relational Schema Matching Christos Koutras, Marios Fragkoulis, Asterios Katsifodimos, Christoph Lofi SeaData Workshop @ EDBT/ICDT 2020, Copenhagen, Denmark

2019

VLDB PhD Workshop 2019

Data as a Language: A Novel Approach to Data Integration Christos Koutras VLDB 2019 PhD Workshop, Los Angeles, USA

2017

SSDBM 2017

Probabilistic k-Nearest Neighbor Monitoring of Moving Gaussians Kostas Patroumpas, Christos Koutras 29th International Conference on Scientific and Statistical Database Management (SSDBM), Chicago, USA