I am a technology and research leader with over ten years of experience spanning applied artificial intelligence,
natural language processing, and large-scale data mining. I currently lead technology strategy at the deep-tech startup NeoPhi building AI systems that transform complex scientific literature into reliable, actionable knowledge.
My background combines academic research and industrial innovation. I have led AI research programs in industry,
managed multidisciplinary teams, and delivered production-ready machine learning solutions, with a strong focus on NLP,
statistical modeling, and explainable data-driven systems. My work has resulted in state-of-the-art algorithms,
efficient large-scale implementations, and peer-reviewed scientific publications.
In parallel, I have an extensive academic track record, including a PhD in NLP, long-term research affiliation with the Laboratoire Informatique de Paris Nord, and several years of teaching at undergraduate and graduate levels. I have also co-supervised two CIFRE PhD theses in collaboration with academic and industrial partners. This dual expertise allows me to bridge cutting-edge research with real-world impact, from algorithm design to deployed AI products.
Publications
Complete and up-to-date list:
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DBLP
2025
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Online Clustering of Massive Text Data Streams.
Maha Ben-Fares, Parisa Rastin, Nistor Grozavu, Pierre Holat.
SN Computer Science 6(5): 413, 2025.
DBLP record
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2024
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An Autoregressive Text-to-Graph Framework for Joint Entity and Relation Extraction.
Urchade Zaratiana, Nadi Tomeh, Pierre Holat, Thierry Charnois.
AAAI 2024: 19477–19487, 2024.
DBLP record
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GLiNER: Generalist Model for Named Entity Recognition using Bidirectional Transformer.
Urchade Zaratiana, Nadi Tomeh, Pierre Holat, Thierry Charnois.
NAACL-HLT 2024: 5364–5376, 2024.
DBLP record
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FI Group at SemEval-2024 Task 8: A Syntactically Motivated Architecture for Multilingual Machine-Generated Text Detection.
Maha Ben-Fares, Urchade Zaratiana, Simon David Hernandez, Pierre Holat.
SemEval@NAACL 2024: 1166–1171, 2024.
DBLP record
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An Autoregressive Text-to-Graph Framework for Joint Entity and Relation Extraction.
Urchade Zaratiana, Nadi Tomeh, Pierre Holat, Thierry Charnois.
CoRR abs/2401.01326, 2024.
DBLP record
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GraphER: A Structure-aware Text-to-Graph Model for Entity and Relation Extraction.
Urchade Zaratiana, Nadi Tomeh, Niama El Khbir, Pierre Holat, Thierry Charnois.
CoRR abs/2404.12491, 2024.
DBLP record
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EnriCo: Enriched Representation and Globally Constrained Inference for Entity and Relation Extraction.
Urchade Zaratiana, Nadi Tomeh, Yann Dauxais, Pierre Holat, Thierry Charnois.
CoRR abs/2404.12493, 2024.
DBLP record
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2023
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Filtered Semi-Markov CRF.
Urchade Zaratiana, Nadi Tomeh, Niama El Khbir, Pierre Holat, Thierry Charnois.
EMNLP (Findings) 2023: 222–235, 2023.
DBLP record
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Sélection globale de segments pour la reconnaissance d'entités nommées.
Urchade Zaratiana, Niama El Khbir, Pierre Holat, Nadi Tomeh, Thierry Charnois.
CORIA-TALN 2023: 169–177, 2023.
DBLP record
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GLiNER: Generalist Model for Named Entity Recognition using Bidirectional Transformer.
Urchade Zaratiana, Nadi Tomeh, Pierre Holat, Thierry Charnois.
CoRR abs/2311.08526, 2023.
DBLP record
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Filtered Semi-Markov CRF.
Urchade Zaratiana, Nadi Tomeh, Niama El Khbir, Pierre Holat, Thierry Charnois.
CoRR abs/2311.18028, 2023.
DBLP record
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2022
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GNNer: Reducing Overlapping in Span-based NER Using Graph Neural Networks.
Urchade Zaratiana, Nadi Tomeh, Pierre Holat, Thierry Charnois.
ACL (Student Research Workshop) 2022: 97–103, 2022.
DBLP record
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Method for Joining Information and Adapting Content from Gamified Systems and Serious Games in Organizations.
Mathieu Guinebert, Joël Fabiani, Melaine Cherdieu, Pierre Holat, Charlie Grosman.
CSEDU 2022 (2): 338–350, 2022.
DBLP record
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Towards Automation of Topic Taxonomy Construction.
Yann Dauxais, Urchade Zaratiana, Matthieu Laneuville, Simon David Hernandez, Pierre Holat, Charlie Grosman.
IDA 2022: 26–38, 2022.
DBLP record
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High Dimensional Data Stream Clustering using Topological Representation Learning.
Maha Ben-Fares, Nistor Grozavu, Parisa Rastin, Pierre Holat.
SSCI 2022: 1415–1422, 2022.
DBLP record
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Hierarchical Transformer Model for Scientific Named Entity Recognition.
Urchade Zaratiana, Pierre Holat, Nadi Tomeh, Thierry Charnois.
CoRR abs/2203.14710, 2022.
DBLP record
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DyREx: Dynamic Query Representation for Extractive Question Answering.
Urchade Zaratiana, Niama El Khbir, Dennis Núñez Fernández, Pierre Holat, Nadi Tomeh, Thierry Charnois.
CoRR abs/2210.15048, 2022.
DBLP record
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2018
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Fouille de motifs et modélisation statistique pour l'extraction de connaissances textuelles.
Pierre Holat.
PhD thesis, Sorbonne Paris Cité, 2018.
DBLP record
2017
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Exploration of Textual Sequential Patterns.
Hedi-Théo Sahraoui, Pierre Holat, Peggy Cellier, Thierry Charnois, Sebastien Ferré.
14th International Conference on Formal Concept Analysis (ICFCA 2017), Rennes, France, June 2017.
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| SDMC
2016
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Weakly-supervised Symptom Recognition for Rare Diseases in Biomedical Text.
Pierre Holat, Nadi Tomeh, Thierry Charnois, Delphine Battistelli, Marie-Christine Jaulent, Jean-Philippe Métivier.
15th International Symposium on Intelligent Data Analysis (IDA 2016), Stockholm, Sweden, October 2016.
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| DBLP record
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Fouille de motifs et CRF pour la reconnaissance de symptômes dans les textes biomédicaux.
Pierre Holat, Nadi Tomeh, Thierry Charnois, Delphine Battistelli, Marie-Christine Jaulent, Jean-Philippe Métivier.
23e conférence sur le Traitement Automatique des Langues Naturelles (TALN 2016), Paris, France, July 2016.
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| DBLP record
2015
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Classification de texte enrichie à l’aide de motifs séquentiels.
Pierre Holat, Nadi Tomeh, Thierry Charnois.
22e conférence sur le Traitement Automatique des Langues Naturelles (TALN 2015), Caen, France, June 2015.
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| Companion webpage
| DBLP record
2014
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Sequence Classification Based on Delta-Free Sequential Patterns.
Pierre Holat, Marc Plantevit, Chedy Raïssi, Nadi Tomeh, Thierry Charnois, Bruno Crémilleux.
14th IEEE International Conference on Data Mining (ICDM 2014), Shenzhen, China, December 2014.
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| Companion webpage
| DBLP record