Date Added: Sep 2010
This paper describes problems connected with web-application user identification. There are discussed some specific conditions and issues in this kind of user identification due to some features of front-end applications and application protocols used in background connection. Some tips and techniques are accentuated to use for undesirable multi-user issue detection and avoidance. The usability is discussed across the common web-application in comparison to special application such as public administration systems or geographic information systems.