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Building a User Foundation Model for the Open Web

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Building a User Foundation Model for the Open Web

·9 min read·Solal Vernier, Ivan Can Arisoy, Merwan Barlier et al.

This paper addresses the challenge of building effective user foundation models (UFMs) for open-web real-time bidding (RTB) where user identity is.

researchuser-foundation-modelopen-web-rtbself-supervised-learningsequence-contrastive-learning

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Extended Depth-First Representations of $k^2$-trees

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Extended Depth-First Representations of $k^2$-trees

·6 min read·Gabriel Carmona, Paolo Ferragina, Giovanni Manzini et al.

This paper addresses the challenge of improving memory locality and computational efficiency in lossless compression of sparse binary matrices using k2-trees.

researchk2-treedepth-first-representationgraph-compressionsuccinct-data-structures

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How Benchmarks Mis-Score Computer-Use Agents

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How Benchmarks Mis-Score Computer-Use Agents

·7 min read·Zihan Dong, Zhiyuan Ma, Zekun Wang et al.

This paper examines the reliability of benchmarks used to evaluate Computer-Use Agents (CUA) that automate tasks on the web and desktop environments.

researchcomputer-use-agentbenchmark-reliabilityevaluation-methodologytask-validity

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