From the 1 of 2 linked papers with an AI index.
2 papers
cs.IR2026
Bridge Evidence: Static Retrieval Utility Does Not Predict Causal Utility in Multi-Step Agentic Search
Debayan Mukhopadhyay, Utshab Kumar Ghosh, Shubham Chatterjee
The paper shows that static measures of document usefulness do not predict how useful those documents are for multi-step search agents, introducing a counterfactual evaluation meth…
cs.IR2026
Single-Turn LLM Reformulation Powered Multi-Stage Hybrid Re-Ranking for Tip-of-the-Tongue Known-Item Retrieval
Debayan Mukhopadhyay, Utshab Kumar Ghosh, Shubham Chatterjee
Retrieving known items from vague descriptions, Tip-of-the-Tongue (ToT) retrieval, remains a significant challenge. We propose using a single call to a generic 8B-parameter LLM for…