Prediction of Enterprise Purchases Using Markov Models in Procurement Analytics Applications. - Adam Westerski; Rajaraman Kanagasabai; Jiayu Wong; Henry Chang (KES, 2015)

Using Unsupervised Learning for Data-driven Procurement Demand Aggregation. - Eran Shaham; Adam Westerski; Rajaraman Kanagasabai; Amudha Narayanan; Samuel Ong; Jiayu Wong; Manjeet Singh (AAAI, 2021)

Explainable anomaly detection for procurement fraud identification - lessons from practical deployments. - Adam Westerski; Rajaraman Kanagasabai; Eran Shaham; Amudha Narayanan; Jiayu Wong; Manjeet Singh (Int. Trans. Oper. Res., 2021)