276 Data Structure and Software Engineering: Challenges and Improvements
uniquely identify the spot. e matched_ref element identies a catalogued gel
and is therefore present in both the catalog and real sections. On the other hand,
spot_ref describes an ID given by the acquisition system (e.g., PDQUEST identi-
es spots with ssp string). is enables linkage of the data stored in the acquiring
machine to AGML for auditing purposes.
e gel_image element contains all of the details of the image le uploaded by
the user. e image subelement contains the whole image le as base64-encoded
binary data. is element can store the raw image as well as the processed image.
Additionally, the le and image_info elements contain image specic informa-