Improving Memory-Based Collaborative Filtering using a Factor-Based Approach

• Main Authors: ZHANG, Zhenxue, ZHANG, Dongsong, GUO, Zhiling
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2007
• Subjects: Computer Sciences; Management Information Systems
• Online Access: https://ink.library.smu.edu.sg/sis_research/1871; https://ink.library.smu.edu.sg/context/sis_research/article/2870/viewcontent/WS07_08_013.pdf
• Institution: Singapore Management University

Collaborative Filtering (CF) systems generate recommendations for a user by aggregating item ratings of other like-minded users. The memory-based approach is a common technique used in CF. This approach first uses statistical methods such as Pearson’s Correlation Coefficient to measure user similari...