Research map / Learning theory and algorithms / Matrix and tensor methods
Low-Rank Linear Cold-Start Recommendation from Social Data
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| LoCo low-rank linear regression instead of best existing method | cold-start recommender · Ebook | mAP@100: 0.0926 -> 0.1210 | Helped |
| LoCo vs best baseline (Cos-Cos) | cold-start recommender · Flickr | mAP@100: 0.2944 -> 0.3453 | Helped |
| LoCo vs best baseline (Cos-Cos) | cold-start recommender · Blogcatalog | mAP@100: 0.4056 -> 0.4470 | Helped |
| LoCo vs best baseline (CBF-KNN-Low) | cold-start recommender · Hetrec11-LastFM | mAP@100: 0.1677 -> 0.1780 | Helped |
| LoCo vs neighbourhood baselines at precision@20 | cold-start recommender · Blogcatalog | precision@20: 0.0588 -> 0.0562 | Hurt |
| increase latent dimension K of LoCo (ablation) | LoCo · Ebook | mAP@100 | Helped |
| more page likes per test user (ablation) | LoCo · Ebook | precision@10, recall@10 | Helped |
| LoCo vs CMF hyperparameter tuning cost | LoCo · Ebook | validation time: 2 hour 2 mins -> 5 mins 3 secs | Helped |
Closest papers by meaning
- Temporally and Distributionally Robust Optimization for Cold-Start Recommendation (AAAI 2024 · similarity 0.90)
- Counterfactual Task-augmented Meta-learning for Cold-start Sequential Recommendation (AAAI 2025 · similarity 0.87)
- Optimizing Social Network Interventions via Hypergradient-Based Recommender System Design (ICML 2025 · similarity 0.86)
- Feature-Structure Adaptive Completion Graph Neural Network for Cold-start Recommendation (AAAI 2025 · similarity 0.85)
- Tree of Preferences for Diversified Recommendation (NeurIPS 2025 · similarity 0.85)
- Preference Diffusion for Recommendation (ICLR 2025 · similarity 0.85)
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