E-Government & E-Governance Conferences

their is different conferences related to E-Government and E-Governance the most known international conferences specialized in EGov are as below.
Main Conferences in EGov:

What is the most known International conferences in E-Government and E-Governance?

 Name Full NameSubmission
 ICEGOVInternational Conference on Theory and Practice of Electronic Governancefrom Feb to Mayearly October
 EGOVAnnual international IFIP Electronic Government from Feb to Aprillate August to early September 
 HICSSHawaii International Conference on System Sciencesfrom Feb to JuneJanuary

 dg.o Digital Government Society Jan to Feb June
 ICIWInternational Conference on Internet and WebJan to March June

What are the journals focus on E-Government and E-Governance?