Publications

Also on Google Scholar. Author names in bold are mine.

2026

Learned Hallucination Detection in Black-Box LLMs using Token-level Entropy Production Rate

Charles Moslonka, Hicham Randrianarivo, Arthur Garnier, Emmanuel Malherbe

Published as: Advances in Information Retrieval – 48th ECIR 2026, Part I, LNCS 16483, pp. 115–130 arXiv code

BibTeX

@misc{moslonka2025learnedhallucinationdetectionblackbox,
      title={Learned Hallucination Detection in Black-Box LLMs using Token-level Entropy Production Rate},
      author={Charles Moslonka and Hicham Randrianarivo and Arthur Garnier and Emmanuel Malherbe},
      year={2025},
      eprint={2509.04492},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2509.04492},
      note={Published as: Advances in Information Retrieval -- 48th ECIR 2026, Part I, LNCS 16483, pp. 115--130},
      sortyear={2026},
      code={https://github.com/artefactory/artefactual}
}

LEDGER: A Long-Context Benchmark of Corporate Annual Reports for Grounded Financial Retrieval and Extraction

Charles Moslonka, Amaury de Vitry, Arthur Garnier, Hicham Randrianarivo, Emmanuel Malherbe

Accepted at CIKM 2026, Resource Track arXiv code

BibTeX

@misc{moslonka2026ledger,
      title={LEDGER: A Long-Context Benchmark of Corporate Annual Reports for Grounded Financial Retrieval and Extraction},
      author={Charles Moslonka and Amaury de Vitry and Arthur Garnier and Hicham Randrianarivo and Emmanuel Malherbe},
      year={2026},
      eprint={2606.13100},
      archivePrefix={arXiv},
      primaryClass={cs.IR},
      url={https://arxiv.org/abs/2606.13100},
      note={Accepted at CIKM 2026, Resource Track},
      code={https://github.com/artefactory/LEDGER}
}

2021

Web Image Context Extraction with Graph Neural Networks and Sentence Embeddings on the DOM tree

Chen Dang, Hicham Randrianarivo, Raphaël Fournier-S’Niehotta, Nicolas Audebert

ECML-PKDD 3rd Workshop on Graph Embedding and Mining (GEM) arXiv DOI

BibTeX

@inproceedings{dang2021web,
  title={Web Image Context Extraction with Graph Neural Networks and Sentence Embeddings on the DOM tree},
  author={Dang, Chen and Randrianarivo, Hicham and Fournier-S'Niehotta, Rapha{\"e}l and Audebert, Nicolas},
  booktitle={Machine Learning and Principles and Practice of Knowledge Discovery in Databases: International Workshops of ECML PKDD 2021},
  series={Communications in Computer and Information Science},
  volume={1524},
  pages={258--267},
  publisher={Springer},
  year={2021},
  doi={10.1007/978-3-030-93736-2_20},
  eprint={2108.11629},
  archivePrefix={arXiv},
  url={https://arxiv.org/abs/2108.11629},
  note={ECML-PKDD 3rd Workshop on Graph Embedding and Mining (GEM)}
}

2020

Graphcore C2 Card performance for image-based deep learning application: A Report

Ilyes Kacher, Maxime Portaz, Hicham Randrianarivo, Sylvain Peyronnet

arXiv preprint, 2020 arXiv

BibTeX

@misc{kacher2020graphcore,
      title={Graphcore C2 Card performance for image-based deep learning application: A Report},
      author={Ilyes Kacher and Maxime Portaz and Hicham Randrianarivo and Sylvain Peyronnet},
      year={2020},
      eprint={2002.11670},
      archivePrefix={arXiv},
      primaryClass={cs.CV},
  url={https://arxiv.org/abs/2002.11670}
}

QISS: An Open Source Image Similarity Search Engine

Maxime Portaz, Adrien Nivaggioli, Hicham Randrianarivo, Ilyes Kacher, Sylvain Peyronnet

Advances in Information Retrieval, Springer International Publishing, 12036, 2020, pp. 486–490 DOI

BibTeX

@inproceedings{portaz2020qiss,
  title={QISS: An Open Source Image Similarity Search Engine},
  author={Portaz, Maxime and Nivaggioli, Adrien and Randrianarivo, Hicham and Kacher, Ilyes and Peyronnet, Sylvain},
  booktitle={Advances in Information Retrieval},
  series={Lecture Notes in Computer Science},
  volume={12036},
  address={Lisbon, Portugal},
  month=apr,
  pages={486--490},
  year={2020},
  publisher={Springer International Publishing},
  doi={10.1007/978-3-030-45442-5_63}
}

2019

Christchurch Aerial Semantic Dataset

Bertrand and Randrianarivo, Hicham and Audebert, Nicolas Le Saux

Dataset, December 2019 DOI

BibTeX

@misc{le_saux_bertrand_2019_3566005,
  author       = {Le Saux, Bertrand and
                  Randrianarivo, Hicham and
                  Audebert, Nicolas},
  title        = {Christchurch Aerial Semantic Dataset},
  month        = dec,
  year         = 2019,
  doi          = {10.5281/zenodo.3566005},
  url          = {https://doi.org/10.5281/zenodo.3566005}
}

Image search using multilingual texts: a cross-modal learning approach between image and text

Maxime Portaz, Hicham Randrianarivo, Adrien Nivaggioli, Estelle Maudet, Christophe Servan, Sylvain Peyronnet

arXiv preprint, 2019 arXiv

BibTeX

@misc{portaz2019image,
      title={Image search using multilingual texts: a cross-modal learning approach between image and text},
      author={Maxime Portaz and Hicham Randrianarivo and Adrien Nivaggioli and Estelle Maudet and Christophe Servan and Sylvain Peyronnet},
      year={2019},
      eprint={1903.11299},
      archivePrefix={arXiv},
      primaryClass={cs.CV},
  url={https://arxiv.org/abs/1903.11299}
}

Weakly supervised semantic segmentation of satellite images

Adrien Nivaggioli, Hicham Randrianarivo

2019 Joint urban remote sensing event (JURSE), IEEE, 2019, pp. 1–4 arXiv DOI

BibTeX

@inproceedings{nivaggioli2019weakly,
  title={Weakly supervised semantic segmentation of satellite images},
  author={Nivaggioli, Adrien and Randrianarivo, Hicham},
  booktitle={2019 Joint urban remote sensing event (JURSE)},
  address={Vannes, France},
  month=may,
  pages={1--4},
  year={2019},
  organization={IEEE},
  doi={10.1109/JURSE.2019.8809060},
  eprint={1904.03983},
  archivePrefix={arXiv},
  url={https://arxiv.org/abs/1904.03983}
}

2017

Deep learning for urban remote sensing

Nicolas Audebert, Alexandre Boulch, Hicham Randrianarivo, Bertrand Le Saux, Marin Ferecatu, Sébastien Lefèvre, Renaud Marlet

2017 Joint Urban Remote Sensing Event (JURSE), IEEE, 2017, pp. 1–4 DOI

BibTeX

@inproceedings{audebert2017deep,
  title={Deep learning for urban remote sensing},
  author={Audebert, Nicolas and Boulch, Alexandre and Randrianarivo, Hicham and Le Saux, Bertrand and Ferecatu, Marin and Lef{\`e}vre, S{\'e}bastien and Marlet, Renaud},
  booktitle={2017 Joint Urban Remote Sensing Event (JURSE)},
  address={Dubai, UAE},
  month=mar,
  pages={1--4},
  year={2017},
  organization={IEEE},
  doi={10.1109/JURSE.2017.7924536}
}

2016

Apprentissage statistique de classes sémantiques pour l’interprétation d’images aériennes

Hicham Randrianarivo

PhD thesis, Conservatoire national des arts et métiers, Paris, France, 2016

BibTeX

@phdthesis{randrianarivo2016apprentissage,
  title={Apprentissage statistique de classes s{\'e}mantiques pour l'interpr{\'e}tation d'images a{\'e}riennes},
  author={Randrianarivo, Hicham},
  year={2016},
  school={Conservatoire national des arts et m{\'e}tiers, Paris, France},
  note={PhD thesis},
  url={https://tel.archives-ouvertes.fr/tel-01482119}
}

Processing of extremely high-resolution Lidar and RGB data: outcome of the 2015 IEEE GRSS data fusion contest – part A: 2-D contest

Manuel Campos-Taberner, Adriana Romero-Soriano, Carlo Gatta, Gustau Camps-Valls, Adrien Lagrange, Bertrand Le Saux, Anne Beaupère, Alexandre Boulch, Adrien Chan-Hon-Tong, Stéphane Herbin, et al

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9(12), 2016, pp. 5547–5559 DOI

BibTeX

@article{campos2016processing,
  title={Processing of extremely high-resolution Lidar and RGB data: outcome of the 2015 IEEE GRSS data fusion contest -- part A: 2-D contest},
  author={Campos-Taberner, Manuel and Romero-Soriano, Adriana and Gatta, Carlo and Camps-Valls, Gustau and Lagrange, Adrien and Le Saux, Bertrand and Beaup{\`e}re, Anne and Boulch, Alexandre and Chan-Hon-Tong, Adrien and Herbin, St{\'e}phane and others},
  journal={IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing},
  volume={9},
  number={12},
  pages={5547--5559},
  year={2016},
  doi={10.1109/JSTARS.2016.2569162}
}

Structural classifiers for contextual semantic labeling of aerial images

Hicham Randrianarivo, Bertrand Le Saux, Nicolas Audebert, Michel Crucianu, Marin Ferecatu

ESA Big Data from Space (BiDS’16), 2016

BibTeX

@inproceedings{randrianarivo2016structural,
  title={Structural classifiers for contextual semantic labeling of aerial images},
  author={Randrianarivo, Hicham and Le Saux, Bertrand and Audebert, Nicolas and Crucianu, Michel and Ferecatu, Marin},
  booktitle={ESA Big Data from Space (BiDS'16)},
  address={Santa Cruz de Tenerife, Spain},
  month=mar,
  year={2016}
}

2015

Benchmarking classification of earth-observation data: From learning explicit features to convolutional networks

Adrien Lagrange, Bertrand Le Saux, Anne Beaupère, Alexandre Boulch, Adrien Chan-Hon-Tong, Stéphane Herbin, Hicham Randrianarivo, Marin Ferecatu

2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), IEEE, 2015, pp. 4173–4176 DOI

BibTeX

@inproceedings{lagrange2015benchmarking,
  title={Benchmarking classification of earth-observation data: From learning explicit features to convolutional networks},
  author={Lagrange, Adrien and Le Saux, Bertrand and Beaup{\`e}re, Anne and Boulch, Alexandre and Chan-Hon-Tong, Adrien and Herbin, St{\'e}phane and Randrianarivo, Hicham and Ferecatu, Marin},
  booktitle={2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)},
  address={Milan, Italy},
  month=jul,
  pages={4173--4176},
  year={2015},
  organization={IEEE},
  doi={10.1109/IGARSS.2015.7326745}
}

Discriminatively-trained model mixture for object detection in aerial images

Hicham Randrianarivo, Bertrand Le Saux, Michel Crucianu, Marin Ferecatu

Image Information Mining, Bucharest, Romania, 2015

BibTeX

@article{randrianarivo2015discriminatively,
  title={Discriminatively-trained model mixture for object detection in aerial images},
  author={Randrianarivo, Hicham and Le Saux, Bertrand and Crucianu, Michel and Ferecatu, Marin},
  journal={Image Information Mining, Bucharest, Romania},
  address={Bucharest, Romania},
  month=oct,
  year={2015}
}

Détection de véhicules en imagerie aérienne par mélange de modèles discriminatifs

Hicham Randrianarivo, Bertrand Le Saux, Marin Ferecatu

25e Colloque GRETSI, 2015

BibTeX

@inproceedings{randrianarivo2015vehicules,
  title={D{\'e}tection de v{\'e}hicules en imagerie a{\'e}rienne par m{\'e}lange de mod{\`e}les discriminatifs},
  author={Randrianarivo, Hicham and Le Saux, Bertrand and Ferecatu, Marin},
  booktitle={25e Colloque GRETSI},
  address={Lyon, France},
  month=sep,
  year={2015},
  url={https://www.gretsi.fr/data/colloque/pdf/2015_lesaux74.pdf}
}

2014

Multimodal classification with deformable part-based models for urban cartography

Hicham Randrianarivo, Bertrand Le Saux, Marin Ferecatu

2014 IEEE Geoscience and Remote Sensing Symposium, IEEE, 2014, pp. 203–206 DOI

BibTeX

@inproceedings{randrianarivo2014multimodal,
  title={Multimodal classification with deformable part-based models for urban cartography},
  author={Randrianarivo, Hicham and Le Saux, Bertrand and Ferecatu, Marin},
  booktitle={2014 IEEE Geoscience and Remote Sensing Symposium},
  address={Quebec City, QC, Canada},
  month=jul,
  pages={203--206},
  year={2014},
  organization={IEEE},
  doi={10.1109/IGARSS.2014.6946392}
}

2013

Urban change detection in SAR images by interactive learning

Bertrand Le Saux, Hicham Randrianarivo

2013 IEEE International Geoscience and Remote Sensing Symposium-IGARSS, IEEE, 2013, pp. 3990–3993 DOI

BibTeX

@inproceedings{le2013urban,
  title={Urban change detection in SAR images by interactive learning},
  author={Le Saux, Bertrand and Randrianarivo, Hicham},
  booktitle={2013 IEEE International Geoscience and Remote Sensing Symposium-IGARSS},
  address={Melbourne, Australia},
  month=jul,
  pages={3990--3993},
  year={2013},
  organization={IEEE},
  doi={10.1109/IGARSS.2013.6723707}
}

Urban structure detection with deformable part-based models

Hicham Randrianarivo, Bertrand Le Saux, Marin Ferecatu

2013 IEEE International Geoscience and Remote Sensing Symposium-IGARSS, IEEE, 2013, pp. 200–203 DOI

BibTeX

@inproceedings{randrianarivo2013urban,
  title={Urban structure detection with deformable part-based models},
  author={Randrianarivo, Hicham and Le Saux, Bertrand and Ferecatu, Marin},
  booktitle={2013 IEEE International Geoscience and Remote Sensing Symposium-IGARSS},
  address={Melbourne, Australia},
  month=jul,
  pages={200--203},
  year={2013},
  organization={IEEE},
  doi={10.1109/IGARSS.2013.6721126}
}