Tag
diversity
- Apr 11, 2026 Diversity-Aware Ranking and Subtopics How ambiguous queries are covered by selecting results that span subtopics, what maximal marginal relevance maximizes, and why diversity costs relevance. information retrieval
- Sep 6, 2023 Sub-topic Judgments and Diversity Metrics How aspect-level qrels make novelty and coverage measurable, and what the two knobs in alpha-nDCG and intent-aware measures actually control. information retrieval