Author

H. Seba

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Open access 2026

Filter Spectral Efficiency (FSE): Structured Network Pruning via Inter-Layer Spectral Coupling

Structured filter pruning is an effective approach for reducing the computational cost of deep neural networks while preserving efficient deployment on standard hardware. However, most existing pruning methods evaluate filters independently, overlooking the inter-layer spectral coupling between consecutive layers, whil...

Soumia Laroui, H. Seba, K. Amrouche et al. · Jordanian Journal of Compute... · 0 citations

Preprint Aug 2026

Amortised Post-Hoc Explanation with Exact Preservation for Dynamic Graph Anomaly Detectors

X-StrGNN is presented, a post-hoc explanation layer that wraps a trained, frozen StrGNN and emits, for every flagged edge, dual attributions: a structural attribution identifying which contextual interactions in the enclosing subgraph drove the decision, and a temporal attribution identifying which historical snapshot...

Iyad Assaad Nekka, H. Seba, Walid Khaled Hidouci et al. · 0 citations

Preprint Aug 2026

Dual Spatial-Temporal Attribution: Architecture-Aligned Post-Hoc Explainability for Recurrent Graph Anomaly Detection

X-AddGraph is presented, a strictly post-hoc explainability framework built on a Dual Spatial-Temporal Attribution (DSTA) mechanism whose three components are each aligned with one of AddGraph's architectural modules: a gradient-based relevance attribution over the current adjacency structure (spatial), a direct readin...

Iyad Assaad Nekka, H. Seba, Khaled Walid Hidouci et al. · 0 citations