Search Results for author: XiangYu Song

Found 5 papers, 1 papers with code

Bi-CLKT: Bi-Graph Contrastive Learning based Knowledge Tracing

no code implementations22 Jan 2022 XiangYu Song, JianXin Li, Qi Lei, Wei Zhao, Yunliang Chen, Ajmal Mian

The goal of Knowledge Tracing (KT) is to estimate how well students have mastered a concept based on their historical learning of related exercises.

Contrastive Learning Knowledge Tracing +1

Sentiment Analysis and Topic Modeling for COVID-19 Vaccine Discussions

no code implementations8 Oct 2021 Hui Yin, XiangYu Song, Shuiqiao Yang, JianXin Li

The outbreak of the novel Coronavirus Disease 2019 (COVID-19) has lasted for nearly two years and caused unprecedented impacts on people's daily life around the world.

Sentiment Analysis

Distributed Optimization of Graph Convolutional Network using Subgraph Variance

no code implementations6 Oct 2021 Taige Zhao, XiangYu Song, JianXin Li, Wei Luo, Imran Razzak

We first propose a graph augmentation-based partition (GAD-Partition) that can divide original graph into augmented subgraphs to reduce communication by selecting and storing as few significant nodes of other processors as possible while guaranteeing the accuracy of the training.

Distributed Optimization

Representation Learning for Short Text Clustering

no code implementations21 Sep 2021 Hui Yin, XiangYu Song, Shuiqiao Yang, Guangyan Huang, JianXin Li

Effective representation learning is critical for short text clustering due to the sparse, high-dimensional and noise attributes of short text corpus.

Clustering Representation Learning +1

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