3 papers
cs.DB2025
Metadata-driven Table Union Search: Leveraging Semantics for Restricted Access Data Integration
Margherita Martorana, Tobias Kuhn, Jacco van Ossenbruggen
Over the past decade, the Table Union Search (TUS) task has aimed to identify unionable tables within data lakes to improve data integration and discovery. While numerous solutions…
cs.CL2024
Column Vocabulary Association (CVA): semantic interpretation of dataless tables
Margherita Martorana, Xueli Pan, Benno Kruit +2
Traditional Semantic Table Interpretation (STI) methods rely primarily on the underlying table data to create semantic annotations. This year's SemTab challenge introduced the ``Me…
cs.DB2024
Zero-Shot Topic Classification of Column Headers: Leveraging LLMs for Metadata Enrichment
Margherita Martorana, Tobias Kuhn, Lise Stork +1
Traditional dataset retrieval systems rely on metadata for indexing, rather than on the underlying data values. However, high-quality metadata creation and enrichment often require…