Interplay between Telecommunications and Face-to-Face Interactions: A Study Using Mobile Phone Data

被引:90
作者
Calabrese, Francesco [1 ,2 ]
Smoreda, Zbigniew [3 ]
Blondel, Vincent D. [4 ,5 ]
Ratti, Carlo [2 ]
机构
[1] IBM Res, Dublin, Ireland
[2] MIT, Senseable City Lab, Cambridge, MA 02139 USA
[3] Orange Labs, Sociol & Econ Networks & Serv Dept, Issy Les Moulineaux, France
[4] MIT, LIDS, Cambridge, MA 02139 USA
[5] Catholic Univ Louvain, Dept Engn Math, B-1348 Louvain, Belgium
来源
PLOS ONE | 2011年 / 6卷 / 07期
基金
美国国家科学基金会;
关键词
TRAVEL BEHAVIOR;
D O I
10.1371/journal.pone.0020814
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
In this study we analyze one year of anonymized telecommunications data for over one million customers from a large European cellphone operator, and we investigate the relationship between people's calls and their physical location. We discover that more than 90% of users who have called each other have also shared the same space (cell tower), even if they live far apart. Moreover, we find that close to 70% of users who call each other frequently (at least once per month on average) have shared the same space at the same time - an instance that we call co-location. Co-locations appear indicative of coordination calls, which occur just before face-to-face meetings. Their number is highly predictable based on the amount of calls between two users and the distance between their home locations - suggesting a new way to quantify the interplay between telecommunications and face-to-face interactions.
引用
收藏
页数:6
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