Yajun Du

Sentiment classification of Chinese movie reviews in micro-blog based on context

2016

Sentiment analysis at home and abroad has been a hot topic, with the development of sina Weibo and Tencent Weibo and other social networking platform, the micro-blog text sentiment analysis has also been more and …

Fine-Grained Named Entity Recognition in Question Answering with DBpedia

2018 · Journal of Physics Conference Series

Named Entity Recognition in Question Answer tasks can help the language understanding. Traditional NER task usually solved by a supervised model, which need a large number of annotated corpora and extract context information as feature …

Discovery of Topic Derivative Relationship in Social Networks

2020

Detecting social topics and discovering emergencies are necessary for the detection and control of public opinion. One social topic may derive one and more new topics as information spreads in social networks. This paper proposes …

Incorporating emoji sentiment information into a pre-trained language model for Chinese and English sentiment analysis

2024 · Intelligent Data Analysis

Emojis in texts provide lots of additional information in sentiment analysis. Previous implicit sentiment analysis models have primarily treated emojis as unique tokens or deleted them directly, and thus have ignored the explicit sentiment information …

Stabilization and Uniformity of Controllability of Switched Linear Systems with Unstable Subsystems

2025

In this paper, the stabilization problem of switched linear time-varying systems with unstable subsystems is studied. Firstly, the condition of uniformity of controllability for all subsystems is introduced, under which the subsystems are exponentially stable …