Daniel Zeng

Filtering spam in Weibo using ensemble imbalanced classification and knowledge expansion

2015

Weibo has become an important information sharing platform in our daily life in China. Many applications utilize Weibo data to analyze hot topic and opinion evolution patterns to gain insights into user behavior. However, various …

Topic evolution modeling in social media short texts based on recurrent semantic dependent CRP

2017

Social media has become an important platform for people to express opinions, share information and communicate with others. Detecting and tracking topics from social media can help people grasp essential information and facilitate many security-related …

Predicting Online News Authorship by an Authorship Embeddings Space Method

2020

In this paper, we study the problem of authorship identification in online news data. Most of the existing approaches predict authorship via feature engineering, which cannot focus on important attributes. We designed an authorship identification …

Hierarchical Multihop Reasoning on Knowledge Graphs

2021 · IEEE Intelligent Systems

Multihop knowledge reasoning aims to find missing entities for incomplete triples by finding paths on knowledge graphs. It is a fundamental and important task. In this article, we devise a hierarchical reinforcement learning algorithm to …