Yong Sun

An improved collaborative filtering recommendation algorithm not based on item rating

2015

As e-commerce grows fast nowadays, recommender systems have become an integral part of every electricity business. A number of the recommendation algorithms need score matrix (i.e., matrix that is used to record the data of …

Research on the construction of conceptual hierarchical model based on air pollution

2021 · IOP Conference Series Earth and Environmental Science

Abstract In recent years, the problem of air pollution has become more and more serious, attracting close attention of mankind. The ontology system is constructed for the semantics of related words of air pollution to …

TRGNN: Text-Rich Graph Neural Network for Few-Shot Document Filtering

2024

The internet contains a vast amount of textual information, and a crucial step is to filter out irrelevant information and extract relevant topics of interest. However, supervised methods for filtering irrelevant information require a large …