Welcome to attend SIGMOD/PODS 2021
Due to global uncertainties, travel restrictions, and other potential difficulties associated with COVID’19, SIGMOD’21 is transitioning to an online format. The online conference will be complemented with a local physical event at Xi’an.
You can find the conference information here: http://2021.sigmod.org/ 
Here is the conference program: http://2021.sigmod.org/program/program_overview.shtml
Here is the conference planning: http://2021.sigmod.org/sigmod_conference_planning.shtml 
We will run the conference using Whova and here is the instruction for Whova: https://2021.sigmod.org/sigmod_online_event_guide.shtml