If you need an invitation letter for visa application to USA for the IEEE Joint Conference BigDataService / Mobile-cloud / SOSE 2017 conference, please contact:

Tianyu Cao at with the following details:

If you are an author of IEEE Big Data 2016 paper (main conference paper, workshop paper or poster paper), please also include the paper id and title and the co-authors .
To know more about US Visa requirements, please visit US Visa website.