Preprint
Oct 2026
R2QRec: Learning Recommendation Queries from Retrieval Feedback
Query-based recommendation separates expressing user needs from locating matching items. Its central learning problem is how to turn item interactions into effective retrieval requests when interaction logs do not annotate queries. We present R2QRec, which uses a fixed retrieval system to construct query supervision an...
Weixin Chen, Shu-Chang Liu, Hai-Lan Yang et al.
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