Top-k Graph Summarization on Hierarchical DAGs
Xuliang Zhu, Xin Sunny Huang, Byron Koon Kau Choi, Jianliang Xu · 2020
Directed acyclic graph (DAG) is an essentially important model to represent terminologies and their hierarchical relationships, such as Disease Ontology. Due to massive terminologies and complex structures in a large DAG, it is challenging to summarize the whole hierarchical DAG.