Author

Ishan Bhatt

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Jul 2026

Improving Item Discoverability in e-Commerce Search via Related Intent Generation

This paper presents a scalable system for discovery-augmented search that leverages intent-conditioned recall expansion, and addresses the cost-quality tradeoff of generative retrieval through a two-stage hybrid architecture.

Ji Xin, Xiao Xiao, Ishan Bhatt et al. · arXiv.org · 0 citations

#artificial intelligence Preprint Aug 2026

Timing-Aware Repurchase Prediction for Web-Scale E-Commerce: Survival Models for Multi-Surface Grocery Recommendation

This study evaluates survival models that predict time-to-repurchase directly, and adopts Exponential AFT for probability-consuming surfaces and Log-Normal for pure ranking, exposing a principled calibration-ranking trade-off within a single AFT family.

Akshay Kekuda, Shreeranjani Srirangamsridharan, Ishan Bhatt et al. · 0 citations