Mathieu Roche

Harness the hetorogeneity in textual data

2019

Over the last decades, there has been an increasing use of information systems, resulting in an exponential increase in textual data. Although the volumetric dimension of these textual data has been resolved, its heterogeneous dimension …

Investigating the impact of preprocessing on document embedding: an empirical comparison

2021 · International Journal of Data Mining Modelling and Management

Digital representation of text documents is a crucial task in machine learning and natural language processing (NLP). It aims to transform unstructured text documents into mathematically-computable elements. In recent years, several methods have been proposed …

Novelty Detection in Event Surveillance Documents

2026 · IEEE Access

Event Based Surveillance (EBS) monitors online sources such as broadcast, print, web news and generates early warning and response (EWAR) signals for use in disaster mitigation. These online sources provide a dynamic data source allowing …