Initial tag on which a data file is built Reveals basic logical relations between the gels in the experiment, the hypothesis behind it etc. Version of the XML Schema Annotation type related to this spot in the gel Related gel identification number Two options Spot that is in both gels well and equally expressed (set to value true) Spots with qualitative or quantitative difference in the given gel pair (set to value true) Summary tag for all annotation types related to this spot in the gel Boundary pixel of the spot in the gel Coordinate x of the boundary pixel Coordinate y of the boundary pixel Summary tag for all boundary pixels of this spot in the gel Pixels must be ordered Spot modeled with the circle Radius of the spot in pixels Corresponding spot in the related gel related to this spot in the gel Identifying number assigned to the corresponding spot in the related gel Probability that this corresponding spot is a true corresponding spot Summary tag for all corresponding spots in the related gel related to this spot in the gel Description of a single computer vision algorithm applied to this gel Identifying number assigned to the algorithm in the gel Logical name of the algorithm Authors of this algorithm Authors of algorithm implementation Authors contact information Location (Universal Resource Identifier) where the description of the algorithm can be found Date on which the test was performed Description of the computer used for testing Time needed to detect all the spots in milli seconds Time needed to detect all representative spots in milli seconds Time needed to detect all spots of interest in milli seconds Summary of algorithm´s efficiency Additional details about the algorithm Summary tag for all computer vision algorithms applied to this gel Spot modeled with the ellipse Size of the ellipse's big axis in pixels Size of the ellipse's small axis in pixels Angle for which the ellipse is rotated Spot modeled with the Gaussian function Standard deviation of the Gaussian model in x direction Standard deviation of the Gaussian model in y direction Description of a 2-DE gel Gel identification number Location (Universal Resource Identifier) where the gel image is stored Name of the experimenter who produced the ground truth information Date when the ground truth information was produced Reveals the tissue used (from species name downwards) Describes the experimental condition Stain(s) used for identification of protein spots Additional details about the gel Summary tag for all 2-DE gels in the experiment Summary tag for all 2D models of this spot in the gel Surface of the spot in pixels Summary tag for all 3D models of this spot in the gel Volume of the spot in voxels Spot modeled with the rectangle Size of the spot in x direction in pixels Size of the spot in y direction in pixels Description of a single protein spot from the gel Identifying number assigned to the spot in the gel Coordinate x of the spot centre in pixels Coordinate y of the spot centre in pixels Intensity of the spot at the given coordinate Probability that this spot is a true spot Additional details about the spot Summary tag for all protein spots in the gel