主題：Computer networks|Security measures|Economic aspects ; Data encryption (Computer science)|Economic aspects ; Electronic commerce|Security measures ; Computers|Access control|Economic aspects ; Computer Science. ; Systems and Data Security. ; Economics/Management Science, general. ; Computer Communication Networks. ; Data Structures, Cryptology and Information Theory. ; Computer Systems Organization and Communication Networks.
主題：Political participation|Computer networks ; Political participation|Technological innovations ; Internet in public administration ; Electronic voting ; Internet voting ; Computer Science. ; Computer Appl. in Administrative Data Processing. ; Information Systems Applications (incl.Internet) ; Computers and Society. ; Computer Communication Networks. ; User Interfaces and Human Computer Interaction. ; Information Storage and Retrieval.
