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Existing recommender systems face difficulties with zero-shot items, i.e. items that have no historical interactions with users during the training stage. Though recent works extract universal item representation via pre-trained language…

Information Retrieval · Computer Science 2023-05-15 Ziwei Fan , Zhiwei Liu , Shelby Heinecke , Jianguo Zhang , Huan Wang , Caiming Xiong , Philip S. Yu

While coreference resolution is defined independently of dataset domain, most models for performing coreference resolution do not transfer well to unseen domains. We consolidate a set of 8 coreference resolution datasets targeting different…

Computation and Language · Computer Science 2021-09-21 Shubham Toshniwal , Patrick Xia , Sam Wiseman , Karen Livescu , Kevin Gimpel

Modern recommender systems place great inclination towards facilitating user experience, as more applications enabling users to critique and then refine recommendations immediately. Considering the real-time requirements, critique-able…

Information Retrieval · Computer Science 2025-10-01 Huanyu Zhang , Xiaoxuan Shen , Yu Lei , Baolin Yi , Jianfang Liu , Yinao xie

Existing person re-identification models often have low generalizability, which is mostly due to limited availability of large-scale labeled data in training. However, labeling large-scale training data is very expensive and time-consuming,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Wenhao Wang , Shengcai Liao , Fang Zhao , Cuicui Kang , Ling Shao

In the current person Re-identification (ReID) methods, most domain generalization works focus on dealing with style differences between domains while largely ignoring unpredictable camera view change, which we identify as another major…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Bingliang Jiao , Lingqiao Liu , Liying Gao , Guosheng Lin , Ruiqi Wu , Shizhou Zhang , Peng Wang , Yanning Zhang

Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence. However, user personalities are volatile and easily…

Information Retrieval · Computer Science 2022-04-01 Weiqi Shao , Xu Chen , Long Xia , Jiashu Zhao , Dawei Yin

Sequential recommendation aims to choose the most suitable items for a user at a specific timestamp given historical behaviors. Existing methods usually model the user behavior sequence based on the transition-based methods like Markov…

Information Retrieval · Computer Science 2022-07-11 Zijian Li , Ruichu Cai , Fengzhu Wu , Sili Zhang , Hao Gu , Yuexing Hao , Yuguang

Autocomplete suggestions are fundamental to modern text entry systems, with applications in domains such as messaging and email composition. Typically, autocomplete suggestions are generated from a language model with a confidence…

Computation and Language · Computer Science 2024-06-18 Rohan Chitnis , Shentao Yang , Alborz Geramifard

Domain generalization in semantic segmentation aims to alleviate the performance degradation on unseen domains through learning domain-invariant features. Existing methods diversify images in the source domain by adding complex or even…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Xinhui Li , Mingjia Li , Yaxing Wang , Chuan-Xian Ren , Xiaojie Guo

ID-based Recommender Systems (RecSys), where each item is assigned a unique identifier and subsequently converted into an embedding vector, have dominated the designing of RecSys. Though prevalent, such ID-based paradigm is not suitable for…

Information Retrieval · Computer Science 2023-12-19 Youhua Li , Hanwen Du , Yongxin Ni , Pengpeng Zhao , Qi Guo , Fajie Yuan , Xiaofang Zhou

Item-based models are among the most popular collaborative filtering approaches for building recommender systems. Random walks can provide a powerful tool for harvesting the rich network of interactions captured within these models. They…

Information Retrieval · Computer Science 2020-10-07 Athanasios N. Nikolakopoulos , George Karypis

Embedding models, which learn latent representations of users and items based on user-item interaction patterns, are a key component of recommendation systems. In many applications, contextual constraints need to be applied to refine…

Information Retrieval · Computer Science 2019-07-04 Syrine Krichene , Mike Gartrell , Clement Calauzenes

Generative recommender systems have recently attracted attention by formulating next-item prediction as an autoregressive sequence generation task. However, most existing methods optimize standard next-token likelihood and implicitly treat…

Information Retrieval · Computer Science 2026-01-27 Wei-Ning Chiu , Chuan-Ju Wang , Pu-Jen Cheng

Large language model (LLM)-based recommender systems have achieved high-quality performance by bridging the discrepancy between the item space and the language space through item tokenization. However, existing item tokenization methods…

Information Retrieval · Computer Science 2025-11-18 Yu Hou , Won-Yong Shin

Nowadays, recommender systems and search engines play an integral role in fashion e-commerce. Still, many challenges lie ahead, and this study tries to tackle some. This article first suggests a content-based fashion recommender system that…

Information Retrieval · Computer Science 2022-07-26 Seyed Omid Mohammadi , Hossein Bodaghi , Ahmad Kalhor

Traditional recommendation systems represent users and items as dense vectors and learn to align them in a shared latent space for relevance estimation. Recent LLM-based recommenders instead leverage natural-language representations that…

Cross-domain text classification aims to transfer models from label-rich source domains to label-poor target domains, giving it a wide range of practical applications. Many approaches promote cross-domain generalization by capturing…

Computation and Language · Computer Science 2024-01-01 Rui Song , Fausto Giunchiglia , Yingji Li , Mingjie Tian , Hao Xu

Recommender systems have long been built upon the modeling of interactions between users and items, while recent studies have sought to broaden this paradigm by generalizing to new users and items, incorporating diverse information sources,…

Information Retrieval · Computer Science 2025-10-28 Chanyoung Chung , Kyeongryul Lee , Sunbin Park , Joyce Jiyoung Whang

Generalizable image-based person re-identification (Re-ID) aims to recognize individuals across cameras in unseen domains without retraining. While multiple existing approaches address the domain gap through complex architectures, recent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Timur Mamedov , Karina Kvanchiani , Anton Konushin , Vadim Konushin

An Item based recommender system works by computing a similarity between items, which can exploit past user interactions (collaborative filtering) or item features (content based filtering). Collaborative algorithms have been proven to…

Information Retrieval · Computer Science 2019-07-12 Maurizio Ferrari Dacrema , Alberto Gasparin , Paolo Cremonesi