Most of your entries on the publication server probably will have the same institutions and the same subjects. In order to minimize your effort, you can enter your institutions and your subject areas to your profile. When creating a new entry, these fields then will be initialized automatically with your default values. Independent of your profile settings, you can change institution and subject for each entry at any time.
At first, go to your profile by following the link "Profile" in the navigation menu. Here you can view and change your personal settings.
When going to "Institution—Edit", you can select your institution or your work group from a tree structure. This will be the default value for all your new entries, but you can change the value for the individual entry at any time.
Press "Next" to initialize your default subject value. Select up to three subjects you'd like to have as default values in all your new entries. If an entry belongs to a different subject area, you can change the subject in the specific entry at any time.