Defining and quantifying effective connectivity of landscapes for species' movements

B Van Moorter, I Kivimäki, M Panzacchi… - Ecography, 2021 - Wiley Online Library
Ecosystem functioning depends on multiple successful interactions, many supported by
individual movements. The degree to which the landscape allows these interactions to take …

Multi-class Graph Clustering via Approximated Effective -Resistance

S Saito, M Herbster - International Conference on Machine …, 2023 - proceedings.mlr.press
This paper develops an approximation to the (effective) $ p $-resistance and applies it to
multi-class clustering. Spectral methods based on the graph Laplacian and its …

Return random walks for link prediction

M Curado - Information Sciences, 2020 - Elsevier
In this paper we propose a new method, Return Random Walk, for link prediction to infer
new intra-class edges while minimizing the amount of inter-class noise, and we show how to …

Randomized shortest paths with net flows and capacity constraints

S Courtain, P Leleux, I Kivimäki, G Guex, M Saerens - Information Sciences, 2021 - Elsevier
This work extends the randomized shortest paths (RSP) model by investigating the net flow
RSP and adding capacity constraints on edge flows. The standard RSP is a model of …

Sparse randomized shortest paths routing with Tsallis divergence regularization

P Leleux, S Courtain, G Guex, M Saerens - Data Mining and Knowledge …, 2021 - Springer
This work elaborates on the important problem of (1) designing optimal randomized routing
policies for reaching a target node t from a source note s on a weighted directed graph G …

Maximum likelihood estimation for randomized shortest paths with trajectory data

I Kivimäki, B Van Moorter, M Panzacchi… - Journal of Complex …, 2020 - academic.oup.com
Randomized shortest paths (RSPs) are tool developed in recent years for different graph
and network analysis applications, such as modelling movement or flow in networks. In …

Randomized optimal transport on a graph: framework and new distance measures

G Guex, I Kivimäki, M Saerens - Network Science, 2019 - cambridge.org
The recently developed bag-of-paths (BoP) framework consists in setting a Gibbs–
Boltzmann distribution on all feasible paths of a graph. This probability distribution favors …

All You Need is Resistance: On the Equivalence of Effective Resistance and Certain Optimal Transport Problems on Graphs

S Robertson, Z Wan, A Cloninger - arXiv preprint arXiv:2404.15261, 2024 - arxiv.org
The fields of effective resistance and optimal transport on graphs are filled with rich
connections to combinatorics, geometry, machine learning, and beyond. In this article we put …

[PDF][PDF] Distances, centralities and model estimation methods based on randomized shortest paths for network data analysis.

I Kivimäki - 2018 - dial.uclouvain.be
The emergence of networks and network data in different forms in the near past has given
rise to development of new data analysis methods with a shift in focus from vector spaces to …

Semi-supervised learning on large graphs: is poisson learning a game-changer?

CH Nguyen - arXiv preprint arXiv:2202.13608, 2022 - arxiv.org
We explain Poisson learning on graph-based semi-supervised learning to see if it could
avoid the problem of global information loss problem as Laplace-based learning methods …