Tag
query-expansion
- Jun 15, 2024 Pseudo-Relevance Feedback and the Rocchio Drift Problem How a system rewrites a query using its own top results, why the Rocchio weights and RM3 interpolation decide the outcome, and how feedback amplifies an initial ranking error. information retrieval
- Jul 5, 2023 Relevance Feedback Through Query Expansion and Term Reweighting How a search system uses a user marking results as relevant to rewrite the next query, and why the classic Rocchio and BM25 expansion methods diverge in what they trust. information retrieval