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RecHarness automates recommender model optimization with bandit-routed agents

Researchers have developed RecHarness, a novel system designed to automate the optimization of recommender models. This system employs a bandit-routed agentic harness that separates the process into selecting modification directions and generating code edits. RecHarness incorporates a jump-basin mechanism to handle stagnant local edits and has demonstrated more stable performance improvements and efficient use of trial budgets compared to existing LLM-reasoning search methods. In a practical application on a short-video advertising platform, a candidate model optimized by RecHarness led to significant improvements in advertising effectiveness, revenue, and exposure. AI

IMPACT This research could lead to more efficient and effective automated optimization of recommender systems, impacting user experience and revenue in online platforms.

RANK_REASON The cluster contains a research paper detailing a new method for optimizing recommender systems.

Read on arXiv cs.IR (Information Retrieval) →

AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

RecHarness automates recommender model optimization with bandit-routed agents

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The cluster contains a research paper detailing a new method for optimizing recommender systems.
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COVERAGE [3]

  1. arXiv cs.AI TIER_1 English(EN) · Haoran Ling, Yuecheng Li, Zeyu Song, Jing Yao, Shuwen Kang, Chi Lu, Wenjin Wu, Peng Jiang ·

    RecHarness: A Bandit-Routed Agentic Harness for Self-Evolving Recommender Systems

    arXiv:2607.29241v1 Announce Type: cross Abstract: Optimizing modern recommender models still depends heavily on engineers manually iterating over architectural, objective, and training-strategy changes. While LLM-based agents can automate this trial-and-error process, allowing th…

  2. arXiv cs.IR (Information Retrieval) TIER_1 English(EN) · Peng Jiang ·

    RecHarness: A Bandit-Routed Agentic Harness for Self-Evolving Recommender Systems

    Optimizing modern recommender models still depends heavily on engineers manually iterating over architectural, objective, and training-strategy changes. While LLM-based agents can automate this trial-and-error process, allowing the LLM to both select modification directions and g…

  3. Hugging Face Daily Papers TIER_1 English(EN) ·

    RecHarness: A Bandit-Routed Agentic Harness for Self-Evolving Recommender Systems

    Optimizing modern recommender models still depends heavily on engineers manually iterating over architectural, objective, and training-strategy changes. While LLM-based agents can automate this trial-and-error process, allowing the LLM to both select modification directions and g…