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A Mathematical Framework for Quantifying Transferability in Multi-source Transfer Learning

NeurIPS 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Statistical transfer learning · 11 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
optimize combining coefficients with Algorithm 1 instead of random searchmulti-source transfer · CIFAR-10, target n0=100accuracy (%): 80.8 -> 83.7Helped
add source tasks via Algorithm 1 vs using target samples onlymulti-source transfer · CIFAR-10, target n0=6accuracy (%): 70.9 -> 78.9Helped
add source tasks via Algorithm 1 vs using target samples onlymulti-source transfer · CIFAR-10, target n0=100accuracy (%): 81.5 -> 83.7Helped
random search over combining coefficients vs target-only trainingmulti-source transfer · CIFAR-10, target n0=6accuracy (%): 70.9 -> 67.8Hurt
multi-source (4 sources) vs best single sourcemulti-source transfer · CIFAR-10, target n0=100accuracy (%): 77.1 -> 83.7Helped
Algorithm 1 vs UDDA, few-shotOffice-31 · Office-31 six transfer settingsaccuracy (%): A->D 89.0 -> 90.0; A->W 88.2 -> 87.3; W->D 97.6 -> 97.2Mixed
Algorithm 1 vs CPNN (which uses unlabeled data)Office-Caltech · Office-Caltech six settingsaccuracy (%): A->C 78.5 -> 80.3; W->C 73.5 -> 72.9Mixed

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