Title
Efficient Top-k Edge Structural Diversity Search
Abstract
The structural diversity of an edge, which is measured by the number of connected components of the edge’s ego-network, has recently been recognized as a key metric for analyzing social influence and information diffusion in social networks. Given this, an important problem in social network analysis is to identify top-k edges that have the highest structural diversities. In this work, we for the first time perform a systematical study for the top-k edge structural diversity search problem on large graphs. Specifically, we first develop a new online search framework with two basic upper-bounding rules to efficiently solve this problem. Then, we propose a new index structure using near-linear space to process the top-k edge structural diversity search in near-optimal time. To create such an index structure, we devise an efficient algorithm based on an interesting connection between our problem and the 4-clique enumeration problem. In addition, we also propose efficient index maintenance techniques to handle dynamic graphs. The results of extensive experiments on five large real-life datasets demonstrate the efficiency, scalability, and effectiveness of our algorithms.
Year
DOI
Venue
2020
10.1109/ICDE48307.2020.00025
2020 IEEE 36th International Conference on Data Engineering (ICDE)
Keywords
DocType
ISSN
index structure,4-clique enumeration problem,structural diversity,ego-network,social influence,information diffusion,social network analysis,structural diversities,online search framework,upper-bounding rules,index maintenance techniques,top-k edge structural diversity search problem,dynamic graphs
Conference
1063-6382
ISBN
Citations 
PageRank 
978-1-7281-2904-4
1
0.35
References 
Authors
25
5
Name
Order
Citations
PageRank
Qi Zhang1931179.66
Rong-Hua Li238133.77
Qixuan Yang310.35
Guoren Wang41366159.46
Lu Qin5143095.44