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Shreyas K. Chandrahas, Jose Munoz, Satish Babu Bellapu

Public reference bibliography and cataloged PDF materials authored or published by Shreyas K. Chandrahas, Jose Munoz, Satish Babu Bellapu.

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CARTA: Self-Supervised Reusable Transaction Embeddings via Heterogeneous Tokenization and Cross-Attention

Year: 2026 • Source: arxiv.org • Listed PDF

Acquiring fraud labels for payment transactions is expensive and inconsistent across tasks, and high-cardinality identifiers such as merchant names make one-hot feature pipelines infeasible at scale. We present CARTA, a ...