Spatio-Temporal and Events Based Analysis of Topic Popularity in Twitter

被引:40
|
作者
Ardon, Sebastien [2 ]
Bagchi, Amitabha [1 ]
Mahanti, Anirban [2 ]
Ruhela, Amit [1 ,3 ]
Seth, Aaditeshwar [1 ]
Tripathy, Rudra Mohan [1 ]
Triukose, Sipat [2 ]
机构
[1] IIT Delhi, Delhi, India
[2] NICTA, Sydney, NSW, Australia
[3] C DOT Delhi, Delhi, India
关键词
Online Social Network; Topics; Diffusion; Events;
D O I
10.1145/2505515.2505525
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We present the first comprehensive characterization of the diffusion of ideas on Twitter, studying more than 5.96 million topics that include both popular and less popular topics. On a data set containing approximately 10 million users and a comprehensive scraping of 196 million tweets, we perform a rigorous temporal and spatial analysis, investigating the time-evolving properties of the subgraphs formed by the users discussing each topic. We focus on two different notions of the spatial: the network topology formed by follower-following links on Twitter, and the geospatial location of the users. We investigate the effect of initiators on the popularity of topics and find that users with a high number of followers have a strong impact on topic popularity. We deduce that topics become popular when disjoint clusters of users discussing them begin to merge and form one giant component that grows to cover a significant fraction of the network. Our geospatial analysis shows that highly popular topics are those that cross regional boundaries aggressively.
引用
收藏
页码:219 / 228
页数:10
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