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Vehicle Energy Consumption (VEC) estimation aims to predict the total energy required for a given trip before it starts, which is of great importance to trip planning and transportation sustainability. Existing approaches mainly focus on…

Artificial Intelligence · Computer Science 2023-06-27 Siqi Lai , Weijia Zhang , Hao Liu

Sequential recommendation aims to estimate how a user's interests evolve over time via uncovering valuable patterns from user behavior history. Many previous sequential models have solely relied on users' historical information to model the…

Information Retrieval · Computer Science 2024-08-15 Lei Zheng , Ning Li , Yanhuan Huang , Ruiwen Xu , Weinan Zhang , Yong Yu

Recent methods in sequential recommendation focus on learning an overall embedding vector from a user's behavior sequence for the next-item recommendation. However, from empirical analysis, we discovered that a user's behavior sequence…

Information Retrieval · Computer Science 2021-02-19 Qiaoyu Tan , Jianwei Zhang , Jiangchao Yao , Ninghao Liu , Jingren Zhou , Hongxia Yang , Xia Hu

Session-based recommendation aims to predict user's next behavior from current session and previous anonymous sessions. Capturing long-range dependencies between items is a vital challenge in session-based recommendation. A novel approach…

Information Retrieval · Computer Science 2021-02-04 Jun Fang

Session-based recommendation predicts users' future interests from previous interactions in a session. Despite the memorizing of historical samples, the request of unlearning, i.e., to remove the effect of certain training samples, also…

Information Retrieval · Computer Science 2023-12-25 Xin Xin , Liu Yang , Ziqi Zhao , Pengjie Ren , Zhumin Chen , Jun Ma , Zhaochun Ren

Conversational interfaces to Business Intelligence (BI) applications enable data analysis using a natural language dialog in small incremental steps. To truly unleash the power of conversational BI to democratize access to data, a system…

Databases · Computer Science 2021-05-04 Venkata Vamsikrishna Meduri , Abdul Quamar , Chuan Lei , Vasilis Efthymiou , Fatma Ozcan

Humans often juggle multiple, sometimes conflicting objectives and shift their priorities as circumstances change, rather than following a fixed objective function. In contrast, most computational decision-making and multi-objective RL…

Artificial Intelligence · Computer Science 2026-03-25 Xianwei Cao , Dou Quan , Zhenliang Zhang , Shuang Wang

Capturing user intent across heterogeneous behavioral domains stands as a fundamental challenge in session-based recommender systems. Yet, existing multi-domain approaches frequently fail to isolate the distinct contribution of cross-domain…

Information Retrieval · Computer Science 2026-04-14 Abderaouf Bahi , Mourad Boughaba , Ibtissem Gasmi , Warda Deghmane , Amel Ourici

Situated conversational recommendation (SCR), which utilizes visual scenes grounded in specific environments and natural language dialogue to deliver contextually appropriate recommendations, has emerged as a promising research direction…

Artificial Intelligence · Computer Science 2026-04-23 Dongding Lin , Jian Wang , Yongqi Li , Wenjie Li

Many positional encodings (PEs) are designed to exhibit long-term decay, based on an entrenched and long-standing inductive opinion: tokens farther away from the current position carry less relevant information. We argue that long-term…

Computation and Language · Computer Science 2024-12-06 Yuhan Chen , Ang Lv , Jian Luan , Bin Wang , Wei Liu

Recommendation systems have become ubiquitous in today's online world and are an integral part of practically every e-commerce platform. While traditional recommender systems use customer history, this approach is not feasible in 'cold…

Machine Learning · Computer Science 2019-05-14 Michael Shekasta , Gilad Katz , Asnat Greenstein-Messica , Lior Rokach , Bracha Shapira

Intent learning, which aims to learn users' intents for user understanding and item recommendation, has become a hot research spot in recent years. However, existing methods suffer from complex and cumbersome alternating optimization,…

Information Retrieval · Computer Science 2024-11-12 Yue Liu , Shihao Zhu , Jun Xia , Yingwei Ma , Jian Ma , Xinwang Liu , Shengju Yu , Kejun Zhang , Wenliang Zhong

In the realm of music recommendation, sequential recommender systems have shown promise in capturing the dynamic nature of music consumption. Nevertheless, traditional Transformer-based models, such as SASRec and BERT4Rec, while effective,…

Information Retrieval · Computer Science 2024-09-09 Davide Abbattista , Vito Walter Anelli , Tommaso Di Noia , Craig Macdonald , Aleksandr Vladimirovich Petrov

Online stores and service providers rely heavily on recommendation softwares to guide users through the vast amount of available products. Consequently, the field of recommender systems has attracted increased attention from the industry…

Information Retrieval · Computer Science 2022-10-17 Abdullah Alhadlaq , Said Kerrache , Hatim Aboalsamh

Representation learning in sequential recommendation is critical for accurately modeling user interaction patterns and improving recommendation precision. However, existing approaches predominantly emphasize item-to-item transitions, often…

Information Retrieval · Computer Science 2024-07-17 Yang Liu , Yitong Wang , Chenyue Feng

In sequential recommendation (SR), system exposure refers to items that are exposed to the user. Typically, only a few of the exposed items would be interacted with by the user. Although SR has achieved great success in predicting future…

Information Retrieval · Computer Science 2025-04-21 Ziqi Zhao , Zhaochun Ren , Jiyuan Yang , Zuming Yan , Zihan Wang , Liu Yang , Pengjie Ren , Zhumin Chen , Maarten de Rijke , Xin Xin

Deep neural networks have emerged as a powerful technique for learning representations from user-item interaction data in collaborative filtering (CF) for recommender systems. However, many existing methods heavily rely on unique user and…

Information Retrieval · Computer Science 2025-10-21 Xubin Ren , Chao Huang

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

Multi-objective re-ranking has become a critical component of modern multi-stage recommender systems, as it tasked to balance multiple conflicting objectives such as accuracy, diversity, and fairness. Existing multi-objective re-ranking…

Information Retrieval · Computer Science 2026-03-24 Wei Zhou , Wuyang Li , Junkai Ji , Xueliang Li , Wenjing Hong , Zexuan Zhu , Xing Tang , Xiuqiang He

News recommendation is critical for personalized news access. Existing news recommendation methods usually infer users' personal interest based on their historical clicked news, and train the news recommendation models by predicting future…

Information Retrieval · Computer Science 2021-04-16 Jingwei Yi , Fangzhao Wu , Chuhan Wu , Qifei Li , Guangzhong Sun , Xing Xie