Attentional Graph Convolutional Networks for Knowledge Concept Recommendation in MOOCs in a Heterogeneous View.
Jibing GongShen WangJinlong WangWenzheng FengHao PengJie TangPhilip S. YuPublished in: SIGIR (2020)
Keyphrases
- knowledge sharing
- recommender systems
- heterogeneous networks
- knowledge base
- heterogeneous social networks
- semantically rich
- knowledge discovery
- knowledge acquisition
- graph theory
- expert systems
- directed acyclic graph
- weighted graph
- prior knowledge
- domain knowledge
- random walk
- related concepts
- knowledge representation
- key concepts
- knowledge management
- higher level
- collaborative filtering
- graph model
- recommendation systems
- cognitive processes
- spanning tree
- bipartite graph
- directed graph
- complex networks
- structural patterns
- degree distribution
- structured data