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Optimal Continuous DR-Submodular Maximization and Applications to Provable Mean Field Inference

ICML 2019 · Learning theory and algorithms › Submodular and game algorithms · approach: Streaming submodular algorithms · 13 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use DR-DoubleGreedy instead of Submodular-DoubleGreedyOne-epoch mean-field optimization · Amazon Baby Registries ELBO and PA-ELBO experimentsobjective value: The paper reports improvement in both objectives across the experiments.Helped
Use DR-DoubleGreedy instead of BSCBOne-epoch mean-field optimization · Amazon Baby Registries ELBOELBO: 2.771±0.123 -> 3.035±0.059Helped
Use DR-DoubleGreedy instead of BSCBOne-epoch mean-field optimization · Amazon Baby Registries PA-ELBOPA-ELBO: media, D=2: 1.477±0.128 -> 1.336±0.101; furniture, D=2: 2.287±0.399 -> 2.402±0.159Mixed
Initialize multi-epoch coordinate optimization with the DR-DoubleGreedy 1/2-guarantee solutionDG-MeanField-1/2 · Amazon Baby Registries ELBO and PA-ELBOobjective value after one epochHelped
Use random or fixed-boundary initialization rather than a guaranteed Double Greedy initializerMulti-epoch coordinate ascent · Amazon Baby Registries ELBO and PA-ELBOconvergence behaviorMixed
Run more coordinate-wise optimization epochs after initializationMulti-epoch mean-field algorithms · Amazon Baby Registries ELBO and PA-ELBOobjective valueNo clear effect
Use shrunken Frank-Wolfe instead of DG-MeanField-1/2Continuous DR-submodular optimization · Synthetic and Amazon experimentsobjective value: 10 times more computationsHurt
Use the gain-weighted convex combination of the two coordinate-wise candidates in the DR-DoubleGreedy updateContinuous DR-submodular maximization · Box-constrained DR-submodular objectivesapproximation ratio: 1/2Helped

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