Publications de Kirell Maël Benzi

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The study of brain dynamics enables us to characterize the time-varying functional connectivity among distinct neural groups. However, current methods suffer from the absence of structural connectivity information. We propose to integrate infra-slow neural ...

Networks are data structures that are fundamental for capturing and analyzing complex interactions between objects. While they have been used for decades to solve problems in virtually all scientific fields, their usage for data analysis in real-world prac ...

Graphs are now ubiquitous in almost every field of research. Recently, new research areas devoted to the analysis of graphs and data associated to their vertices have emerged. Focusing on dynamical processes, we propose a fast, robust and scalable framewor ...

This work formulates a novel song recommender system as a matrix completion problem that benefits from collaborative filtering through Non-negative Matrix Factorization (NMF) and content-based filtering via total variation (TV) on graphs. The graphs encode ...

In this work, we propose a new, fast and scalable method for anomaly detection in large time-evolving graphs. It may be a static graph with dynamic node attributes (e.g. time-series), or a graph evolving in time, such as a temporal network. We define an an ...

A method to extract patterns of activity from time series of data structured as a network of objects, the method comprising the steps of creating a base graph of similar or related items from a given corpus by comparing intrinsic features of the items, com ...

The invention relates to a system and method to optimize navigation and recommendation in a distributed network of media libraries. According to the invention, it is proposed a system and a method to assist the selection of media items comprising the steps ...

Kirell Maël Benzi

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Transient networks of spatio-temporal connectivity map communication pathways in brain functional systems

From recommender systems to spatio-temporal dynamics with network science

Principal Patterns on Graphs: Discovering Coherent Structures in Datasets

Song Recommendation with Non-Negative Matrix Factorization and Graph Total Variation

Anomaly detection in the dynamics of web and social networks

System, device, and method for contextual knowledge retrieval and display

System and method for media library navigation and recommendation

Mapping resting-state dynamics on spatio-temporal graphs: a combined functional and diffusion MRI approach

AI-Driven Workflows for Unlocking Switzerland's Collective Memory: Distant listening of the RTS Archive