Author

David Richerby

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#machine learning Preprint Sep 2026

Chimaera: A Mixture-of-Graph-Experts Architecture for Cross-Task and Cross-Dataset Graph Learning

Chimaera integrates mixture-of-experts with graph foundation models (GFM) and integrates different GFM architectures, such as graph prompts and linear GNN models, to extend existing linear GNNs to support link-level and graph-level tasks in addition to node-level tasks.

John P. Frank, David Richerby, A. Scherp · 0 citations

Results in Engineering

This paper proposes a novel methodology to address issues in reputation-based consensus algorithms by studying the reputation behaviour of the validator using intuitionistic fuzzy sets (IFS) and uninorm aggregation operations (UAOs) and demonstrates improved performance and evaluation, promising advancements in blockch...

Bruno Ramos-Cruz, Javier Andreu-Pérez, David Richerby et al. · 0 citations