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Ryohei Wakatsuki

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Book Open access Oct 2026

A Practical Multi-Source Pipeline for Conversational Music Recommendation in the RecSys Challenge 2026

This diagnostic compares the full pipeline with reciprocal-rank fusion, ablate per-retriever features, and decompose ranking error into retrieval misses, reranking exclusions, and ranks-2–20 ordering loss and complement the leaderboard result with a diagnostic that fits on Train and evaluates the official Devset.

Ryohei Wakatsuki · 1 citation

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