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Asterios Katsifodimos

3 accepted papers

2025

DiscoverGPT: Multi-task Fine-tuning Large Language Model for Related Table Discovery

NAACL 2025findings

Natural language understanding over tabular data has played a significant role in data discovery tasks such as joinable and unionable table search. State-of-the-art approaches adopt large language models (LLMs) pre-trained over massive text corpora to learn and evaluate the table semantic relatednes…

Cited by 0SourcePDFScholar
2025

PolyJoin: Semantic Multi-key Joinable Table Search in Data Lakes

NAACL 2025findings

Given a query table, how can we effectively discover multi-key joinable tables on the web? This can be seen as a retrieval task, where users can lookup on the web for tables related to an existing one. Searching and discovering such joinable tables is critical to data analysts and data scientists fo…

Cited by 0SourcePDFScholar
2023

Automatic Table Union Search with Tabular Representation Learning

ACL 2023findings

Given a data lake of tabular data as well as a query table, how can we retrieve all the tables in the data lake that can be unioned with the query table? Table union search constitutes an essential task in data discovery and preparation as it enables data scientists to navigate massive open data rep…

Cited by 20SourcePDFScholar