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Ian Gallagher

4 accepted papers

2025

Unsupervised Attributed Dynamic Network Embedding with Stability Guarantees

UAI 2025

Stability for dynamic network embeddings ensures that nodes behaving the same at different times receive the same embedding, allowing comparison of nodes in the network across time. We present attributed unfolded adjacency spectral embedding (AUASE), a stable unsupervised representation learning fra

2025

Valid Conformal Prediction for Dynamic GNNs

ICLR 2025poster

Dynamic graphs provide a flexible data abstraction for modelling many sorts of real-world systems, such as transport, trade, and social networks. Graph neural networks (GNNs) are powerful tools allowing for different kinds of prediction and inference on these systems, but getting a handle on uncerta…

2023

Intensity Profile Projection: A Framework for Continuous-Time Representation Learning for Dynamic Networks

NeurIPS 2023poster

We present a new representation learning framework, Intensity Profile Projection, for continuous-time dynamic network data. Given triples $(i,j,t)$, each representing a time-stamped ($t$) interaction between two entities ($i,j$), our procedure returns a continuous-time trajectory for each node, repr…

Cited by 5SourcePDFScholar
2021

Spectral embedding for dynamic networks with stability guarantees

NeurIPS 2021poster

We consider the problem of embedding a dynamic network, to obtain time-evolving vector representations of each node, which can then be used to describe changes in behaviour of individual nodes, communities, or the entire graph. Given this open-ended remit, we argue that two types of stability in the…