Information Retrieval

Optimal Fusion Weights Form Intervals, Not Points: A Latency-Aware Study of Query-Adaptive WRRF

Query-adaptive WRRF methods for production search retrieval, showing optimal fusion weights form intervals rather than points and explaining RRF’s near-optimality for a large share of queries.

Iris Ma, Zahra Shekarchi, Stuart Mcilroy, Mahtab Farrokh, Fattane Zarrinkalam, Joel Stremmel