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From the 1 of 6 linked papers with an AI index.

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6 papers

cs.AI2026

Pailitao-MMSearch: Building Native E-Commerce Multimodal Search Foundation

Xiaohan Ye, Xu Chen, Zihan Gong +15

The evolution of e-commerce has fundamentally transformed how users search for products, shifting from simple text-based keyword queries to complex multimodal interactions that sea…

cs.IR2026

ShopX: A Foundation Model for Intent-to-Item Fulfillment in Agentic Shopping

Jiacheng Chen, Tao Zhang, Manxi Lin +26

ShopX is a foundation model that directly translates user shopping intents into item-space actions using semantic IDs, integrating intent understanding, planning, and item retrieva…

cs.IR2026

HiSAC: Hierarchical Sparse Activation Compression for Ultra-long Sequence Modeling in Recommenders

Kun Yuan, Junyu Bi, Daixuan Cheng +5

Modern recommender systems leverage ultra-long user behavior sequences to capture dynamic preferences, but end-to-end modeling is infeasible in production due to latency and memory…

cs.IR2026

FORGE: Forming Semantic Identifiers for Generative Retrieval in Industrial Datasets

Kairui Fu, Tao Zhang, Shuwen Xiao +9

Semantic identifiers (SIDs) have gained increasing attention in generative retrieval (GR) for recommendation due to their meaningful semantic discriminability. However, current stu…

cs.IR2026

CoNRec: Context-Discerning Negative Recommendation with LLMs

Xinda Chen, Jiawei Wu, Yishuang Liu +5

Understanding what users like is relatively straightforward; understanding what users dislike, however, remains a challenging and underexplored problem. Research into users' negati…

cs.IR2025

SaviorRec: Semantic-Behavior Alignment for Cold-Start Recommendation

Yining Yao, Ziwei Li, Shuwen Xiao +5

In recommendation systems, predicting Click-Through Rate (CTR) is crucial for accurately matching users with items. To improve recommendation performance for cold-start and long-ta…