Overall data organization within the XMA Portal.
Each repository contains a number of studies. Each study within each repository is associated with one or more PI(s) (Principal Investigator), each study is also associated with a study leader which is usually the grad. student or post-doc. that performed the actual experiments within each study.
Data organization within each study
The figure below shows the data organization within each study. A study usually contains several trials, and each trial contains files and metadata associated with that trial. A study can also contain files that are not part of a trial.
Click on image to see a larger version.