English
Related papers

Related papers: Sequential Evaluation and Generation Framework for…

200 papers

We propose to augment rating based recommender systems by providing the user with additional information which might help him in his choice or in the understanding of the recommendation. We consider here as a new task, the generation of…

Information Retrieval · Computer Science 2014-12-18 Mickaël Poussevin , Vincent Guigue , Patrick Gallinari

Search-based recommendation is one of the most critical application scenarios in e-commerce platforms. Users' complex search contexts--such as spatiotemporal factors, historical interactions, and current query's information--constitute an…

Information Retrieval · Computer Science 2026-02-16 Zhiding Liu , Ben Chen , Mingyue Cheng , Enhong Chen , Li Li , Chenyi Lei , Wenwu Ou , Han Li , Kun Gai

Generative recommendation (GR) is an emerging paradigm that tokenizes items into discrete tokens and learns to autoregressively generate the next tokens as predictions. While this token-generation paradigm is expected to surpass traditional…

Information Retrieval · Computer Science 2025-11-25 Yijie Ding , Jiacheng Li , Julian McAuley , Yupeng Hou

We study a model of user decision-making in the context of recommender systems via numerical simulation. Our model provides an explanation for the findings of Nguyen, et. al (2014), where, in environments where recommender systems are…

Computers and Society · Computer Science 2020-07-27 Guy Aridor , Duarte Goncalves , Shan Sikdar

In e-commerce, where users face a vast array of possible item choices, recommender systems are vital for helping them discover suitable items they might otherwise overlook. While many recommender systems primarily rely on a user's purchase…

Information Retrieval · Computer Science 2025-08-29 Kyungho Kim , Sunwoo Kim , Geon Lee , Kijung Shin

Learning a good representation of text is key to many recommendation applications. Examples include news recommendation where texts to be recommended are constantly published everyday. However, most existing recommendation techniques, such…

Information Retrieval · Computer Science 2017-06-27 Ting Chen , Liangjie Hong , Yue Shi , Yizhou Sun

Sequential fashion recommendation is of great significance in online fashion shopping, which accounts for an increasing portion of either fashion retailing or online e-commerce. The key to building an effective sequential fashion…

Information Retrieval · Computer Science 2021-06-01 Yujuan Ding , Yunshan Ma , Wai Keung Wong , Tat-Seng Chua

Most existing recommender systems leverage user behavior data of one type only, such as the purchase behavior in E-commerce that is directly related to the business KPI (Key Performance Indicator) of conversion rate. Besides the key…

Information Retrieval · Computer Science 2020-02-11 Chen Gao , Xiangnan He , Dahua Gan , Xiangning Chen , Fuli Feng , Yong Li , Tat-Seng Chua , Lina Yao , Yang Song , Depeng Jin

Predictions using a combination of decision trees are known to be effective in machine learning. Typical ideas for constructing a combination of decision trees for prediction are bagging and boosting. Bagging independently constructs…

Machine Learning · Computer Science 2024-02-12 Keito Tajima , Naoki Ichijo , Yuta Nakahara , Toshiyasu Matsushima

The primary goal of a recommender system is often known as "helping users find relevant items", and a lot of recommendation algorithms are proposed accordingly. However, these accuracy-oriented methods usually suffer the problem of…

Social and Information Networks · Computer Science 2020-04-23 Qiang Dong , Quan Yuan , Yang-Bo Shi

Recommending the right content in large scale multimedia streaming services is an important and challenging problem that has received much attention in the past decade. A key ingredient for successful recommendations is an effective…

Information Retrieval · Computer Science 2019-11-12 Igor de Oliveira Nunes , Gabriel Matos Cardoso Leite , Daniel Ratton Figueiredo

In sponsored search, keyword recommendations help advertisers to achieve much better performance within limited budget. Many works have been done to mine numerous candidate keywords from search logs or landing pages. However, the strategy…

Information Retrieval · Computer Science 2019-07-23 Zhipeng Li , Jianwei Wu , Lin Sun , Tao Rong

Synthetic datasets are important for evaluating and testing machine learning models. When evaluating real-life recommender systems, high-dimensional categorical (and sparse) datasets are often considered. Unfortunately, there are not many…

Information Retrieval · Computer Science 2024-12-11 Miha Malenšek , Blaž Škrlj , Blaž Mramor , Jure Demšar

Contemporary generative recommendation systems face significant challenges in handling multimodal data, eliminating algorithmic biases, and providing transparent decision-making processes. This paper introduces an enhanced generative…

Information Retrieval · Computer Science 2025-10-03 Bo Ma , Hang Li , ZeHua Hu , XiaoFan Gui , LuYao Liu , Simon Lau

Conversational recommendation systems (CRSs) use multi-turn interaction to capture user preferences and provide personalized recommendations. A fundamental challenge in CRSs lies in effectively understanding user preferences from…

Information Retrieval · Computer Science 2025-04-30 Xiaolei Wang , Chunxuan Xia , Junyi Li , Fanzhe Meng , Lei Huang , Jinpeng Wang , Wayne Xin Zhao , Ji-Rong Wen

Explanations in a recommender system assist users in making informed decisions among a set of recommended items. Great research attention has been devoted to generating natural language explanations to depict how the recommendations are…

Information Retrieval · Computer Science 2022-02-22 Peng Wang , Renqin Cai , Hongning Wang

Generative recommendation autoregressively generates item identifiers to recommend potential items. Existing methods typically adopt a one-to-one mapping strategy, where each item is represented by a single identifier. However, this scheme…

Information Retrieval · Computer Science 2025-05-27 Bowen Zheng , Enze Liu , Zhongfu Chen , Zhongrui Ma , Yue Wang , Wayne Xin Zhao , Ji-Rong Wen

Generative recommendation is emerging as a transformative paradigm by directly generating recommended items, rather than relying on matching. Building such a system typically involves two key components: (1) optimizing the tokenizer to…

Information Retrieval · Computer Science 2026-04-17 Yimeng Bai , Chang Liu , Yang Zhang , Dingxian Wang , Frank Yang , Andrew Rabinovich , Wenge Rong , Fuli Feng

Video-game players generate huge amounts of data, as everything they do within a game is recorded. In particular, among all the stored actions and behaviors, there is information on the in-game purchases of virtual products. Such…

Machine Learning · Statistics 2018-11-29 Paul Bertens , Anna Guitart , Pei Pei Chen , África Periáñez

In session-based or sequential recommendation, it is important to consider a number of factors like long-term user engagement, multiple types of user-item interactions such as clicks, purchases etc. The current state-of-the-art supervised…

Machine Learning · Computer Science 2020-06-12 Xin Xin , Alexandros Karatzoglou , Ioannis Arapakis , Joemon M. Jose