This functionanlity allows users to contribute in the form of tagging subsections of an item in the archive. This type of functionality is useful as it provides extra information otherwise unknown by the archive. Once an annotation is saved the test forms part of the systems overall search terms allowing more effecting and relavent searching.
Comments should be relevant and helpful. Prefer annotations to general comment threads. Annotations should not be viewable at all times during browse. Provide a means to inform the user they are able to annotate the image. E.g. a button or hint.
Figure 2: Use Case Narative for User Contribution via Tagging
Design and Implementation
Figure 3: Sequence Diagram for Annotations
Evaluation and Results
Evaluation of the system was done using Usability Tests, User Acceptance Testing and Expert Evalaution. The results are as follows:
Figure 3: User Acceptance Test results
Figure 3: Usabitiy Survey Results