This data set was collected from Meetup.com, one of the most popular websites that facilitates offline activities.

Totally, this data set contains 437 groups, 82,770 users, and 93,512 events.

This data set was contributed by Xiang Wu and Tong Xu from USTC, China. For using this data, please kindly cite the papers as below:

[1] Tong Xu, Hao Zhong, Hengshu Zhu, Hui Xiong, Enhong Chen, Guannan Liu, Exploring the Impact of Dynamic Mutual Influence on Social Event Participation, In Proceedings of 2015 SIAM International Conference on Data Mining, Vancouver, Canada, 2015, 262-270.

[2] Xiangyu Zhao, Tong Xu, Qi Liu, Hao Guo, Exploring the Choice under Conflict for Social Event Participation, In Proceedings of the 21st International Conference on Database Systems for Advanced Applications, Dallas, TX, USA, 2016, 396-411.

Data Set Description£º

To achieve the data, please directly drag the file ¡°All.pak¡± into the ¡°FilePackager.exe¡±, and then the data files will be automatically unpacked. 

All files are in XML format. There are four types of files, including ¡°Group ID¡±, ¡°Member ID¡±, ¡°PastEvent ID¡± and ¡°RSPVs ID¡±, which correspond to the attributes of groups, members and events. What should be noted is that ¡°PastEvent¡± and ¡°RSVPs¡± are in pairs wish sharing the same event IDs.

For the details of data format, please read the XML files as all the attributes are clearly explained. You can also refer to official document of Meetup API as follows. As several years have passed, formats may change due to the updated version of Meetup API.
Groups: https://www.meetup.com/meetup_api/docs/:urlname/#get
Members: https://www.meetup.com/meetup_api/docs/2/member/#get
PastEvents: https://www.meetup.com/meetup_api/docs/:urlname/events/:id/#get
RSPVs: https://www.meetup.com/meetup_api/docs/2/rsvp/#get

If you have any questions, please feel free to contact tongxu@ustc.edu.cn.

Thanks for your attention.