University Pierre et Marie Curie  LIP6  UPMC 4 Place Jussieu  75005 PARIS Tel : +33 1 44 27 84 23 Fax : +33 1 44 27 70 00 ludovic[dot]denoyer[at]lip6[dot]fr
 Full Professor in the Machine Learning and Information Access Team
 Cohead of the DataScience Master Data, Machine Learning and Knowledge (DAC)
 Habilitation to Drive Research: http://wwwconnex.lip6.fr/~denoyer/HDR.pdf
Softwares
 A RL simple package for Torch and OpenAI Gym : https://github.com/ludc/rltorch
 Source code of the Social Network Embeddings paper : https://github.com/ludc/social_network_diffusion_embeddings
 A simple google map interface for Torch: https://github.com/ludc/googlemaps
News
 ESANN 2016 : Policygradient methods for Decision Trees  A Léon, L Denoyer
 ESANN 2016 : Learning Embeddings for Completion and Prediction of Relationnal Multivariate TimeSeries  A Ziat, G Contardo, N Baskiotis, L Denoyer
 May 2015 : New article "Reinforced Decision Trees"
 23rd of december, 2014 : New article "Representation Learning for Cold Start Recommendation"
 November 2014: Focus on "Deep Sequential Neural Networks"
Current students
 Wenjie Zheng  Decentralized Machine Learning (cosupervised with Patrick Gallinari)
 Ali Ziat  Representation Learning models for heterogeneous temporal data (cosupervised with Nicolas Baskiotis) with VEDECOM
 Gabriella Contardo  Online Budgeted Learning (cosupervised with Thierry Artieres)
 Nassim Aklil  Budgeted approaches to Robot Navigation (cosupervised with Mehdi Khamassi)
Past Students
 Loreta Maag  Machine Learning approach to privacy in dynamic social networks (Alcatel)
 Gabriel DulacArnold  A General Sequential Model for Constrained (Budgeted) Classification  Phd Obtained in 2014, now at DeepMind
 Yann Jacob  Machine Learning for mutilrelational and heterogeneous networks  PhD obtained in 2013  now working at a data scientist at iRaiser
 Sheng Gao  Latent Factor Models for Link Prediction Problems  PhD obtained in 2013  now working as a Lecturer atthe Beijing Unniversity of Post and Telecommunication
 Francis Maes  Reinforcement Learning for Structured Output Prediction  PhD obtained in 2009  now CEO of DLabs
Main publications
Sequential Learning Models
Classification with Reinforcement Learning

 G. DulacArnold, L. Denoyer, N. Thome, M. Cord, and P. Gallinari, "Sequentially generated instancedependent image representations for classification," Internation conference on learning representations  iclr 2014, 2014.
[Bibtex]@article{dulac2014sequentially, title={Sequentially Generated InstanceDependent Image Representations for Classification}, author={DulacArnold, Gabriel and Denoyer, Ludovic and Thome, Nicolas and Cord, Matthieu and Gallinari, Patrick}, journal={Internation Conference on Learning Representations  ICLR 2014}, year={2014} }
 G. DulacArnold, L. Denoyer, N. Thome, M. Cord, and P. Gallinari, "Sequentially generated instancedependent image representations for classification," Internation conference on learning representations  iclr 2014, 2014.

 G. DulacArnold, L. Denoyer, P. Preux, and P. Gallinari, "Sequential approaches for learning datumwise sparse representations," Machine learning, vol. 89, iss. 12, pp. 87122, 2012.
[Bibtex]@article{dulac2012sequential, title={Sequential approaches for learning datumwise sparse representations}, author={DulacArnold, Gabriel and Denoyer, Ludovic and Preux, Philippe and Gallinari, Patrick}, journal={Machine learning}, volume={89}, number={12}, pages={87122}, year={2012}, publisher={Springer US} }
 G. DulacArnold, L. Denoyer, P. Preux, and P. Gallinari, "Sequential approaches for learning datumwise sparse representations," Machine learning, vol. 89, iss. 12, pp. 87122, 2012.

 G. DulacArnold, L. Denoyer, and P. Gallinari, "Text classification: a sequential reading approach," in Advances in information retrieval (ecir), 2011, pp. 411423.
[Bibtex]@inproceedings{dulac2011text, title={Text classification: a sequential reading approach}, author={DulacArnold, Gabriel and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Advances in Information Retrieval (ECIR)}, pages={411423}, year={2011}, organization={Springer Berlin/Heidelberg} }
 G. DulacArnold, L. Denoyer, and P. Gallinari, "Text classification: a sequential reading approach," in Advances in information retrieval (ecir), 2011, pp. 411423.
Structured Output Prediction with Reinforcement Learning

 F. Maes, L. Denoyer, and P. Gallinari, "Structured prediction with reinforcement learning," Machine learning, vol. 77, iss. 23, pp. 271301, 2009.
[Bibtex]@article{maes2009structured, title={Structured prediction with reinforcement learning}, author={Maes, Francis and Denoyer, Ludovic and Gallinari, Patrick}, journal={Machine learning}, volume={77}, number={23}, pages={271301}, year={2009}, publisher={Springer US} }
 F. Maes, L. Denoyer, and P. Gallinari, "Structured prediction with reinforcement learning," Machine learning, vol. 77, iss. 23, pp. 271301, 2009.

 F. Maes, L. Denoyer, and P. Gallinari, "Sequence labeling with reinforcement learning and ranking algorithms," in Machine learning: ecml 2007, 2007, pp. 648657.
[Bibtex]@inproceedings{maes2007sequence, title={Sequence labeling with reinforcement learning and ranking algorithms}, author={Maes, Francis and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Machine Learning: ECML 2007}, pages={648657}, year={2007}, organization={Springer Berlin/Heidelberg} }
 F. Maes, L. Denoyer, and P. Gallinari, "Sequence labeling with reinforcement learning and ranking algorithms," in Machine learning: ecml 2007, 2007, pp. 648657.
Deep Neural Networks and Reinforcement Learning

 L. Denoyer and P. Gallinari, "Deep sequential neural network," Arxiv preprint arxiv:1410.0510, 2014.
[Bibtex]@article{denoyer2014deep, title={Deep Sequential Neural Network}, author={Denoyer, Ludovic and Gallinari, Patrick}, journal={arXiv preprint arXiv:1410.0510}, year={2014} }
 L. Denoyer and P. Gallinari, "Deep sequential neural network," Arxiv preprint arxiv:1410.0510, 2014.
Representation Learning

 Y. Jacob, L. Denoyer, and P. Gallinari, "Learning latent representations of nodes for classifying in heterogeneous social networks," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 373382.
[Bibtex]@inproceedings{jacob2014learning, title={Learning latent representations of nodes for classifying in heterogeneous social networks}, author={Jacob, Yann and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Proceedings of the 7th ACM international conference on Web search and data mining}, pages={373382}, year={2014}, organization={ACM} }
 Y. Jacob, L. Denoyer, and P. Gallinari, "Learning latent representations of nodes for classifying in heterogeneous social networks," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 373382.

 S. Bourigault, C. Lagnier, S. Lamprier, L. Denoyer, and P. Gallinari, "Learning social network embeddings for predicting information diffusion," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 393402.
[Bibtex]@inproceedings{bourigault2014learning, title={Learning social network embeddings for predicting information diffusion}, author={Bourigault, Simon and Lagnier, Cedric and Lamprier, Sylvain and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Proceedings of the 7th ACM international conference on Web search and data mining}, pages={393402}, year={2014}, organization={ACM} }
 S. Bourigault, C. Lagnier, S. Lamprier, L. Denoyer, and P. Gallinari, "Learning social network embeddings for predicting information diffusion," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 393402.

 G. Contardo, L. Denoyer, T. Artieres, and P. Gallinari, "Learning states representations in pomdp," Internation conference on learning representations (poster) iclr 2014, 2014.
[Bibtex]@article{contardo2014learning, title={Learning States Representations in POMDP}, author={Contardo, Gabriella and Denoyer, Ludovic and Artieres, Thierry and Gallinari, Patrick}, journal={Internation Conference on Learning Representations (poster) ICLR 2014}, year={2014} }
 G. Contardo, L. Denoyer, T. Artieres, and P. Gallinari, "Learning states representations in pomdp," Internation conference on learning representations (poster) iclr 2014, 2014.

 L. Denoyer and P. Gallinari, "Deep sequential neural network," Arxiv preprint arxiv:1410.0510, 2014.
[Bibtex]@article{denoyer2014deep, title={Deep Sequential Neural Network}, author={Denoyer, Ludovic and Gallinari, Patrick}, journal={arXiv preprint arXiv:1410.0510}, year={2014} }
 L. Denoyer and P. Gallinari, "Deep sequential neural network," Arxiv preprint arxiv:1410.0510, 2014.

 C. Lagnier, S. Bourigault, S. Lamprier, L. Denoyer, and P. Gallinari, "Learning information spread in content networks," Internation conference on learning representations (poster) iclr 2014, 2014.
[Bibtex]@article{lagnier2014learning, title={Learning Information Spread in Content Networks}, author={Lagnier, C{\'e}dric and Bourigault, Simon and Lamprier, Sylvain and Denoyer, Ludovic and Gallinari, Patrick}, journal={Internation Conference on Learning Representations (poster) ICLR 2014}, year={2014} }
 C. Lagnier, S. Bourigault, S. Lamprier, L. Denoyer, and P. Gallinari, "Learning information spread in content networks," Internation conference on learning representations (poster) iclr 2014, 2014.

 G. DulacArnold, L. Denoyer, N. Thome, M. Cord, and P. Gallinari, "Sequentially generated instancedependent image representations for classification," Internation conference on learning representations  iclr 2014, 2014.
[Bibtex]@article{dulac2014sequentially, title={Sequentially Generated InstanceDependent Image Representations for Classification}, author={DulacArnold, Gabriel and Denoyer, Ludovic and Thome, Nicolas and Cord, Matthieu and Gallinari, Patrick}, journal={Internation Conference on Learning Representations  ICLR 2014}, year={2014} }
 G. DulacArnold, L. Denoyer, N. Thome, M. Cord, and P. Gallinari, "Sequentially generated instancedependent image representations for classification," Internation conference on learning representations  iclr 2014, 2014.
Machine Learning on Graphs and Social Networks

 Heterogeneous Graphs

 Y. Jacob, L. Denoyer, and P. Gallinari, "Learning latent representations of nodes for classifying in heterogeneous social networks," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 373382.
[Bibtex]@inproceedings{jacob2014learning, title={Learning latent representations of nodes for classifying in heterogeneous social networks}, author={Jacob, Yann and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Proceedings of the 7th ACM international conference on Web search and data mining}, pages={373382}, year={2014}, organization={ACM} }
 Y. Jacob, L. Denoyer, and P. Gallinari, "Learning latent representations of nodes for classifying in heterogeneous social networks," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 373382.

 MultiRelational Graphs

 S. Peters, Y. Jacob, L. Denoyer, and P. Gallinari, "Iterative multilabel multirelational classification algorithm for complex social networks," Social network analysis and mining, vol. 2, iss. 1, pp. 1729, 2012.
[Bibtex]@article{peters2012iterative, title={Iterative multilabel multirelational classification algorithm for complex social networks}, author={Peters, St{\'e}phane and Jacob, Yann and Denoyer, Ludovic and Gallinari, Patrick}, journal={Social Network Analysis and Mining}, volume={2}, number={1}, pages={1729}, year={2012}, publisher={Springer Vienna} }
 S. Peters, Y. Jacob, L. Denoyer, and P. Gallinari, "Iterative multilabel multirelational classification algorithm for complex social networks," Social network analysis and mining, vol. 2, iss. 1, pp. 1729, 2012.

 Y. Jacob, L. Denoyer, and P. Gallinari, "Classification and annotation in social corpora using multiple relations," in Proceedings of the 20th acm international conference on information and knowledge management, 2011, pp. 12151220.
[Bibtex]@inproceedings{jacob2011classification, title={Classification and annotation in social corpora using multiple relations}, author={Jacob, Yann and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Proceedings of the 20th ACM international conference on Information and knowledge management}, pages={12151220}, year={2011}, organization={ACM} }
 Y. Jacob, L. Denoyer, and P. Gallinari, "Classification and annotation in social corpora using multiple relations," in Proceedings of the 20th acm international conference on information and knowledge management, 2011, pp. 12151220.

 S. Gao, L. Denoyer, and P. Gallinari, "Link pattern prediction with tensor decomposition in multirelational networks," in Computational intelligence and data mining (cidm), 2011 ieee symposium on, 2011, pp. 333340.
[Bibtex]@inproceedings{gao2011link, title={Link pattern prediction with tensor decomposition in multirelational networks}, author={Gao, Sheng and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Computational Intelligence and Data Mining (CIDM), 2011 IEEE Symposium on}, pages={333340}, year={2011}, organization={IEEE} }
 S. Gao, L. Denoyer, and P. Gallinari, "Link pattern prediction with tensor decomposition in multirelational networks," in Computational intelligence and data mining (cidm), 2011 ieee symposium on, 2011, pp. 333340.

 Temporal Graphs

 S. Gao, L. Denoyer, and P. Gallinari, "Temporal link prediction by integrating content and structure information," in Proceedings of the 20th acm international conference on information and knowledge management, 2011, pp. 11691174.
[Bibtex]@inproceedings{gao2011temporal, title={Temporal link prediction by integrating content and structure information}, author={Gao, Sheng and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Proceedings of the 20th ACM international conference on Information and knowledge management}, pages={11691174}, year={2011}, organization={ACM} }
 S. Gao, L. Denoyer, and P. Gallinari, "Temporal link prediction by integrating content and structure information," in Proceedings of the 20th acm international conference on information and knowledge management, 2011, pp. 11691174.

 Propagation in Social Networks

 S. Bourigault, C. Lagnier, S. Lamprier, L. Denoyer, and P. Gallinari, "Learning social network embeddings for predicting information diffusion," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 393402.
[Bibtex]@inproceedings{bourigault2014learning, title={Learning social network embeddings for predicting information diffusion}, author={Bourigault, Simon and Lagnier, Cedric and Lamprier, Sylvain and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Proceedings of the 7th ACM international conference on Web search and data mining}, pages={393402}, year={2014}, organization={ACM} }
 S. Bourigault, C. Lagnier, S. Lamprier, L. Denoyer, and P. Gallinari, "Learning social network embeddings for predicting information diffusion," in Proceedings of the 7th acm international conference on web search and data mining, 2014, pp. 393402.

 C. Lagnier, L. Denoyer, E. Gaussier, and P. Gallinari, "Predicting information diffusion in social networks using content and user’s profiles," in Advances in information retrieval, Springer Berlin Heidelberg, 2013, pp. 7485.
[Bibtex]@incollection{lagnier2013predicting, title={Predicting information diffusion in social networks using content and user’s profiles}, author={Lagnier, C{\'e}dric and Denoyer, Ludovic and Gaussier, Eric and Gallinari, Patrick}, booktitle={Advances in Information Retrieval}, pages={7485}, year={2013}, publisher={Springer Berlin Heidelberg} }
 C. Lagnier, L. Denoyer, E. Gaussier, and P. Gallinari, "Predicting information diffusion in social networks using content and user’s profiles," in Advances in information retrieval, Springer Berlin Heidelberg, 2013, pp. 7485.

 Anonymization

 M. L. Maag, L. Denoyer, and P. Gallinari, "Graph anonymization using machine learning," in Advanced information networking and applications (aina), 2014 ieee 28th international conference on, 2014, pp. 11111118.
[Bibtex]@inproceedings{maag2014graph, title={Graph Anonymization using Machine Learning}, author={Maag, Maria Laura and Denoyer, Ludovic and Gallinari, Patrick}, booktitle={Advanced Information Networking and Applications (AINA), 2014 IEEE 28th International Conference on}, pages={11111118}, year={2014}, organization={IEEE} }
 M. L. Maag, L. Denoyer, and P. Gallinari, "Graph anonymization using machine learning," in Advanced information networking and applications (aina), 2014 ieee 28th international conference on, 2014, pp. 11111118.

 Heterogeneous Graphs