Algorithm for Compact Tuple Representation Group tuples by similarity:

Partition the tuples by their values in each position. Identify where specific positions vary while others remain fixed. Generalize variable positions:

For each group of tuples that differ in a single position, replace the varying elements in that position with a list of the allowed values. Merge groups:

Attempt to merge groups where possible by comparing the lists and combining them if they differ in only one position. Iterate until compact:

Repeat the above steps until no further merging or generalization is possible.