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Abstract
User engagement has recently received significant attention in understanding decay and expansion of communities in social networks. However, the problem of user engagement hasn't been fully explored in terms of users' specific interests and structural cohesiveness altogether. Therefore, we fill the gap by investigating the problem of community engagement from the perspective of attributed communities. Given a set of keywords W, a structure cohesive parameter k, and a budget parameter l, our objective is to find l number of users who can induce a maximal expanded community. Meanwhile, every community member must contain the given keywords in W and the community should meet the specified structure cohesiveness constraint k. We introduce this problem as best-Anchored Vertex set Exploration (AVE).To solve the AVE problem, we develop a Filter-Verify framework by maintaining the intermediate results using multiway tree, and probe the best anchored users in a best search way. To accelerate the efficiency, we further design a keyword-aware anchored and follower index, and also develop an index-based efficient algorithm. The proposed algorithm can greatly reduce the cost of computing anchored users and their followers. Additionally, we present two bound properties that can guarantee the correctness of our solution. Finally, we demonstrate the efficiency of our proposed algorithms and index. We measure the effectiveness of attributed community-based community engagement model by conducting extensive experiments on five real-world datasets.
Original language | English |
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Title of host publication | Proceedings - 2020 IEEE 36th International Conference on Data Engineering, ICDE 2020 |
Publisher | IEEE, Institute of Electrical and Electronics Engineers |
Pages | 409-420 |
Number of pages | 12 |
ISBN (Electronic) | 9781728129037 |
DOIs | |
Publication status | Published - Apr 2020 |
Event | 36th IEEE International Conference on Data Engineering, ICDE 2020 - Dallas, United States Duration: 20 Apr 2020 → 24 Apr 2020 |
Publication series
Name | Proceedings - International Conference on Data Engineering |
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Volume | 2020-April |
ISSN (Print) | 1084-4627 |
Conference
Conference | 36th IEEE International Conference on Data Engineering, ICDE 2020 |
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Country/Territory | United States |
City | Dallas |
Period | 20/04/20 → 24/04/20 |
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Defense against adversarial attacks on deep learning in computer vision
ARC Australian Research Council
1/01/19 → 31/03/24
Project: Research