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Author

Elena Demidova

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#graph neural networks Book Open access Nov 2026

METrIC-G: Multigraph Enrichment and Time-Aware Message Passing for Imbalanced Classification in Transaction Graphs

Modern digital ecosystems comprise entities connected through multiple directed interactions, forming complex transaction graphs. These graphs pose significant challenges for node and edge classification due to domain-specific interaction patterns spanning multiple hops and related transactions, multigraph structures w...

Steve Gounoue, Marco Markwald, Ashutosh Sao et al. · 0 citations
Open access Aug 2026

DIRECT: Deep Reinforcement Learning for Tourist Route Generation

The results of the extensive evaluation demonstrate that DIRECT outperforms baseline methods in generating diverse tourist routes, and dynamically generates a diverse set of high-quality route alternatives, while respecting user-specified spatio-temporal constraints and category preferences.

GE Mann, Rajjat Dadwal, Elena Demidova · 0 citations

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