We have a faculty position open in the team!

The Data, Intelligence and Graphs (DIG) team is a group of researchers at Télécom Paris working on the fundamental issues raised in databases, knowledge management, graph mining and artificial intelligence. Research interests cover theoretical foundations of data intelligence and graph systems, practical solutions and applications, as well as cognitive aspects.

The DIG team has strong industrial collaborations:



Knowledge Bases

A knowledge base is a computer-processable collection of knowledge about the world. We construct and mine such knowledge bases.

Graph Mining

Graphs are a near-universal way to represent data. We are concerned with mining graphs for patterns and properties. Our particular focus is on the scalability of such approaches.

  • Logo of scikit-networkscikit-network: scikit-network is a Python package for the analysis of large graphs (clustering, embedding, classification, ranking).

Social Web

The Web has evolved more and more into a social Web: content is produced and shared by users. In the DIG team, we follow and anticipate developments in this area.

  • Community detection: We are investigating means to detect and distinguish social communities on the Web.
  • Social Relations: We investigate the optimal investment in social relations from a theoretical point of view.

Language and Relevance

Computer science is not just about computers. In this area of research, we investigate how humans reason, and what this implies for machines.

  • Simplicity Theory: Simplicity theory seeks to explain the relevance of situations or events to human minds. See http://www.simplicitytheory.science
  • Relevance in natural language: The point is to retro-engineer methods to achieve meaningful and relevant speech from our understanding of human performance. Read this paper. Read more on this.
  • Communication as social signalling: We apply game theory and social simulation to explore conditions in which providing valuable (i.e. relevant) information is a profitable strategy. Read this paper. Read more on this.

Machine Learning for Data Streams

We investigate how to do machine learning in real time, contributing to new open source tools:

  • scikit-multiflow: a machine learning framework for multi-output/multi-label and stream data.
  • MOA: Massive Online Analytics, the most popular framework for mining data streams, implemented in Java.
  • Apache SAMOA: Scalable Advanced Massive Online Analytics, an open source framework for data stream mining on the Hadoop Ecosystem.

Big Data & Market Insights

We focus on data management and mining and their applications in digital marketing:

  • Scalability of the algorithms on large sets of real data
  • Context-aware recommender systems and predictive models: hotel booking, travel recommandation, Points of Interest …
  • Social networks analysis and web information extraction: community detection, centrality, engagement rate …



Talel Abdessalem Antoine Amarilli Albert Bifet Thomas Bonald Laurent Decreusefond
Jean-Louis Dessalles Louis Jachiet Pierre Senellart Mauro Sozio Fabian M. Suchanek



  • Marie Al-Ghossein

PhD candidates


  • Denys Lazarenko. Advisor: Thomas Bonald.
  • Nader Beltaief. Advisor: Laurent Decreusefond.
  • Minh Huong Le NguyenAdvisor: Albert Bifet
  • Wenbin ZhangAdvisor: Albert Bifet
  • Natalia Mordvanyuk.  Advisor: Albert Bifet

Former members


Open position on Explainable AI

Télécom Paris offers a full-time academic position as Maître de Conférences in the area of Artificial Intelligence, and in particular on techniques making results or decisions of AI explainable, starting September 2020. More details here.

Pierre-Alexandre Murena’s PhD Thesis honoured

Pierre-Alexandre Murena‘s thesis: Minimum Complexity Principle for Knowledge Transfer in Artificial Learning (under the supervision of Antoine Cornuéjols and Jean-Louis Dessalles) got the 2nd prize of the best IMT thesis. Read on the IMT page (in French) See Pierre-Alexandre’s video presentation (in English) Read the thesis Congratulations to Pierre-Alexandre!

Open Associate Professor position in Scalable Artificial Intelligence in Paris

The DIG team is opening an Associate Professor position in Scalable Artificial Intelligence at LTCI, Télécom ParisTech in Paris. More information: here University: Télécom ParisTech, https://telecom-paristech.fr/ Location: Palaiseau, near Paris, France Position: Associate Professor (“Maître de conférences”), tenured permanent position Application deadline: Friday, March 15, 2019 Starting date: September 2019 Team: Data Intelligence and Graphs (DIG, https://dig.telecom-paristech.fr/) …