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Noisy Submodular Maximization via Adaptive Sampling with Applications to Crowdsourced Image Collection Summarization

AAAI 2016 · Learning theory and algorithms › Submodular and game algorithms · approach: Streaming submodular algorithms · 45 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use adaptive TopX sampling over possible top-l subset sizes instead of uniformly sampling all itemsExpGreedy · Synthetic submodular maximization with value queriesquery budget to reach the desired guaranteeHelped
Use adaptive TopX sampling over possible top-l subset sizes instead of fixed top-1 identification (ablation)ExpGreedy_G · Synthetic submodular maximization with value queriessample complexityHelped
Use adaptive TopX sampling over possible top-l subset sizes instead of fixed top-1 identification with approximation slack (ablation)ExpGreedy_O · Synthetic submodular maximization with value queriessample complexityHelped
Replace adaptive TopX exploration with uniform sampling (ablation)ExpGreedy · Synthetic submodular maximization with value queries (\sigma^2=10) and preference queries (\beta=0.5, \tau=1)budget needed to achieve a desired total utility: up to 3 times more budgetHurt
Increase noise variance in value-query responsesExpGreedy · Synthetic submodular maximization with value queriessolution utility at a limited query budgetHurt
Decrease preference-model noise parameter βExpGreedy · Synthetic submodular maximization with preference queriessolution utility at a limited query budgetHurt
Use fewer pairwise comparisons per preference-query estimate (smaller τ) (ablation)ExpGreedy · Synthetic submodular maximization with preference queriessolution utility at a limited query budgetHurt
Use crowdsourced pairwise preferences to estimate item valuesExpGreedy with TopX · Crowdsourced image collection summarization: Venice, Venice Carnival, Venice Cathedralssummary qualityHelped
Increase the allowed query budgetExpGreedy · Synthetic submodular maximization with value and preference queriessolution utilityHelped

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