New Information Retrieval papers from arxiv.org: indexing, dictionaries, retrieval. Thank you to arXiv for use of its open access interoperability.

Joined December 2009
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The Clustering Strikes Back: Building Cost-Effective and High-Performance ANNS at Scale with Helmsman Yuchen Huang, Baiteng Ma, Yiping Sun, Yang Shi, Xiao Chen, Xiaocheng Zhong, Zhiyong Wang, Yao Hu, Erci Xu, … arxiv.org/abs/2606.13145 [𝚌𝚜.π™Έπš] πŸ’¬Accepted by OSDI'26
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CFALR: Collaborative Filtering-Augmented Large Language Model for Personalized Fashion Outfit Recommendation Yujuan Ding, Junrong Liao, Yunshan Ma, Yi Bin, Wenqi Fan, Tat-Seng Chua, Qing Li arxiv.org/abs/2606.13001 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙼𝙼]
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Trait, Not State: The Durability of Reading Identity in Social Highlighting Kazuki Nakayashiki, Keisuke Watanabe arxiv.org/abs/2606.12904 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙲𝙻 𝚌𝚜.𝙷𝙲 𝚌𝚜.πš‚π™Έ]
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DiffCold: A Diffusion-based Generative Model for Cold-Start Item Recommendation Kangning Zhang, Yingjie Qin, Weinan Zhang, Yong Yu, Jianghao Lin arxiv.org/abs/2606.12245 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙰𝙸] πŸ’¬Accepted by ECML-PKDD 2026
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LLM-Based User Personas for Recommendations at Scale Haoting Wang, Haokai Lu, Zheyun Feng, Jenny Huang, Yifat Amir, Gregory Hinkson, Ben Most, Zelong Zhao, Yixin Kelly Cui, Rein Zhang, Fabio Soldo, Yu Xia, Nihar Bhupalam, Minmin Chen, … arxiv.org/abs/2606.12198 [𝚌𝚜.π™Έπš]
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Tail-Aware Adaptive-k: Query-Adaptive Context Selection for Retrieval-Augmented Generation Ziyu Song, Jiaming Fang, Kuangyu Li, Tuo Xia, Chuanpeng Wang arxiv.org/abs/2606.11907 [𝚌𝚜.π™Έπš] πŸ’¬Accepted at ECML PKDD 2026
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CORE-Bench: A Comprehensive Benchmark for Code Retrieval in the Era of Agentic Coding Fuwei Zhang, Yanzhao Zhang, Mingxin Li, Dingkun Long, Lexiang Hu, Pengjun Xie, Zhao Zhang, Fuzhen Zhuang arxiv.org/abs/2606.11864 [𝚌𝚜.π™Έπš]
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What Limits Does Quantization Place on Dense Top-k Retrieval? A Theoretical Study Koki Okajima, Tsukasa Yoshida arxiv.org/abs/2606.11780 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙰𝙸 𝚌𝚜.π™Έπšƒ]
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CompRank: Efficient LLM Reranking via Token-Level Compression and Decoding-Free Scoring Xuan Lu, Haohang Huang, Yingqi Fan, Junlong Tong, Yuxuan Zhang, Ping Nie, Rui Meng, Xiaoyu Shen arxiv.org/abs/2606.11700 [𝚌𝚜.π™Έπš]
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The Long Tail, Not the Front Page: Cold-Start Prediction of Crowd Highlight Salience Kazuki Nakayashiki, Keisuke Watanabe arxiv.org/abs/2606.11654 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙲𝙻 𝚌𝚜.𝙷𝙲 𝚌𝚜.πš‚π™Έ]
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Factions Within, Uncertain Across: Within-Document Reader Sub-Groups in Social Highlighting Kazuki Nakayashiki, Keisuke Watanabe arxiv.org/abs/2606.11613 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙲𝙻 𝚌𝚜.𝙷𝙲 𝚌𝚜.πš‚π™Έ]
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Generative Archetype-Grounded Item Representations for Sequential Recommendation Yifan Li, Jiahong Liu, Xinni Zhang, Hao Chen, Yankai Chen, Wenhao Yu, Jianting Chen, Irwin King arxiv.org/abs/2606.11023 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙲𝙻 𝚌𝚜.𝙻𝙢] πŸ’¬Accepted by WWW 2026 (Oral)
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miniReranker: Efficient Multimodal Reranking through Visual Cache Reuse and Interaction Sparsity Yingqi Fan, Xuan Lu, Anhao Zhao, Junlong Tong, Ping Nie, Kai Zou, Yunpu Ma, Wei Zhang, Xiaoyu Shen arxiv.org/abs/2606.10759 [𝚌𝚜.π™Έπš]
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Effective Reinforcement Learning for Agentic Search by Recycling Zero-Variance Queries During Training JoΓ£o Coelho, JoΓ£o MagalhΓ£es, Bruno Martins, Chenyan Xiong arxiv.org/abs/2606.10709 [𝚌𝚜.π™Έπš 𝚌𝚜.𝙰𝙸]
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