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GPRec: Bi-level User Modeling for Deep Recommenders

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arxiv 2410.20730 v1 pith:K3ZE4HWA submitted 2024-10-28 cs.IR cs.AI

classification cs.IRcs.AI
keywords gprecgroupindividualmodelingpreferencesvariousalignsbi-level
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GPRec explicitly categorizes users into groups in a learnable manner and aligns them with corresponding group embeddings. We design the dual group embedding space to offer a diverse perspective on group preferences by contrasting positive and negative patterns. On the individual level, GPRec identifies personal preferences from ID-like features and refines the obtained individual representations to be independent of group ones, thereby providing a robust complement to the group-level modeling. We also present various strategies for the flexible integration of GPRec into various DRS models. Rigorous testing of GPRec on three public datasets has demonstrated significant improvements in recommendation quality.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Behavior Modeling Space Reconstruction for E-Commerce Search

    cs.IR 2025-01 conditional novelty 6.0 of 10

    DRP disentangles preference and relevance effects in e-commerce search via orthogonal representation editing plus dual-level adaptive fusion, improving click prediction without human-labeled relevance data.

  2. Large Language Model Enhanced Recommender Systems: A Survey

    cs.IR 2024-12 unverdicted novelty 4.0 of 10

    A survey organizing LLM-enhanced recommender systems into knowledge, interaction, and model enhancement, and tracing a shift from explicit text to implicit embeddings and fine-tuned open-source LLMs.

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