Beyond Single-Score Ranking: Facet-Aware Reranking for Controllable Diversity in Paper Recommendation
Current paper recommendation systems output a single similarity score that mixes different notions of relatedness, so users cannot specify why papers should be similar. We present SciFACE (Scientific Faceted Cross-Encoder), a reranking framework that models two independent facets: Background (what problem is studied) and Method (how it is solved). SciFACE trains two separate cross-encoders on 5,891 real seed-candidate paper pairs labeled by GPT-4o-mini with facet-specific criteria and validated against human judgments. On CSFCube, SciFACE reaches 70.63 NDCG@20 on Background (5.9 points above SPECTER) and 49.06 NDCG@20 on Method (31.1 points above SPECTER), competitive with state-of-the-ar...
| Authors | Duan Ming Tao |
|---|---|
| Primary category | cs.IR |
| Published | 11 March 2026 |
| Last updated at source | 11 March 2026 |
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