Dongbin Wang

Collaborative filtering recommendation algorithm optimization based on latent factor model clustering

2017

Collaborative filtering (CF) is the most popular recommendation algorithm, which predicts unknown ratings through historic data. However, the traditional collaborative filtering algorithm only considers the individual user's historical behavior of items, without considering the users' …

Privacy-preserving Trajectory Generation Algorithm Considering Utility based on Semantic Similarity Awareness

2022

Location-based service recommendations usually need to collect and analyze the location information of trajectories generated by users with smart phones or wearable devices. It is easy to cause the location privacy leaks. The current location …