Summarizing user-item matrix by group utility maximization

• Main Authors: Wang, Yongjie, Wang, Ke, Long, Cheng, Miao, Chunyan
• Other Authors: School of Computer Science and Engineering
• Format: Article
• Language: English
• Published: 2023
• Subjects: Engineering::Computer science and engineering; Data Summarization; Greedy Algorithm
• Online Access: https://hdl.handle.net/10356/166437
• Institution: Nanyang Technological University

A user-item utility matrix represents the utility (or preference) associated with each (user, item) pair, such as citation counts, rating/vote on items or locations, and clicks on items. A high utility value indicates a strong association of the pair. In this work, we consider the problem of summari...