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arXiv · 2609.21863

AutoRecLab: Describe the Experiment, Get the Code!

Moritz Baumgart·Philipp Meister·Justus Krell·Michael Schmidt·Bela Gipp·Joeran Beel
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Abstract

Empirical evaluation is central to recommender-systems (RecSys) research, but turning experimental designs into executable code remains a manual and error-prone task. We present AutoRecLab, a Python-based autonomous RecSys lab that automates RecSys experiments from natural-language prompts. Given a research idea, AutoRecLab derives explicit experiment requirements, builds and validates a prototype, and iteratively expands it into the requested full experiment. The workflow combines retrieval-augmented generation (RAG) for documentation lookup, static type verification, and execution-steered tree search. In our demonstration, AutoRecLab autonomously implements an explicit-to-implicit feedback conversion study. In a baseline comparison across six algorithms and three datasets, 8 of 9 runs succeed at an average cost of approx- imately $1 per run with GPT-5.4-mini.

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Moritz Baumgart, Philipp Meister, Justus Krell, Michael Schmidt, Bela Gipp, Joeran Beel. 2026-09-18. AutoRecLab: Describe the Experiment, Get the Code!. https://doi.org/10.1145/3773078.3841273

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