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| Ensemble Metric Learning× | Ääniennuste (Voting Ensemble)× | |
|---|---|---|
| Tieteenala | Koneoppiminen | Koneoppiminen |
| Menetelmäperhe | Machine learning | Machine learning |
| Syntyvuosi≠ | 2000s–2010s | 1990s–2004 |
| Kehittäjä≠ | Multiple contributors (Weinberger, Saul, et al.) | Lam & Suen; Kuncheva, L. I. (systematic treatment) |
| Tyyppi≠ | Ensemble of learned distance metrics | Ensemble (combination of multiple classifiers by vote) |
| Alkuperäislähde≠ | Wang, J., Kalousis, A., & Woznica, A. (2012). Parametric local metric learning for nearest neighbor classification. Advances in Neural Information Processing Systems, 25. link ↗ | Kuncheva, L. I. (2004). Combining Pattern Classifiers: Methods and Algorithms. Wiley-Interscience. ISBN: 978-0-471-21078-8 |
| Rinnakkaisnimet | EML, ensemble distance metric learning, multiple metric fusion, combined metric learning | majority voting classifier, hard voting, soft voting ensemble, plurality voting ensemble |
| Liittyvät | 5 | 5 |
| Tiivistelmä≠ | Ensemble Metric Learning trains multiple distance metric learners — each on a different data view, feature subspace, or with a different objective — and combines the resulting metrics to produce a single, more robust similarity function. Combining diverse metrics reduces the variance of any individual metric and improves performance in tasks such as nearest-neighbor classification, retrieval, and few-shot learning. | A voting ensemble trains several diverse classifiers independently and combines their predictions by a vote: hard voting picks the class chosen by the most models, while soft voting averages their class-probability estimates, optionally with per-model weights. The combination usually outperforms any individual member, and requires no additional training after the base models are fitted. |
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