Uncertainty Management in the Construction of Knowledge Graphs: a Survey

no code implementations • 27 May 2024 • Lucas Jarnac, Yoan Chabot, Miguel Couceiro

That is why recent efforts focus on automatic approaches, which represents a challenging task since it requires handling the uncertainty of extracted knowledge throughout its integration into the KG.

From Heuristics to Language Models: A Journey Through the Universe of Semantic Table Interpretation with DAGOBAH

no code implementations • SemTab@ISWC 2022 • Viet-Phi Huynh, Yoan Chabot, Thomas Labbé, Jixiong Liu and Raphaël Troncy

This paper presents DAGOBAH SL 2022, a semantic table interpretation system that has been continuously improved over the last four years when participating in the SemTab challenge.

Cell Entity Annotation Column Type Annotation

DAGOBAH: Table and Graph Contexts for Efficient Semantic Annotation of Tabular Data

no code implementations • Proceedings of the Semantic Web Challenge on Tabular Data to Knowledge Graph Matching co-located with the 20th International Semantic Web Conference 2021 • Viet-Phi Huynh, Jixiong Liu, Yoan Chabot, Frédéric Deuzé, Thomas Labbé, Pierre Monnin, Raphaël Troncy

In this paper, we present the latest improvements of the DAGOBAH system that performs automatic pre-processing and semantic interpretation of tables.

Cell Entity Annotation Column Type Annotation

A complete formalized knowledge representation model for advanced digital forensics timeline analysis

no code implementations • 21 Feb 2019 • Yoan Chabot, Aurélie Bertaux, Christophe Nicollea, Tahar Kechadi

Having a clear view of events that occurred over time is a difficult objective to achieve in digital investigations (DI).