Patent attributes
A computer based method of organizing text items comprising: receiving a multiplicity of individual groups of text items; assigning respective unique integer item codes to respective individual text items from the multiplicity of individual groups; identifying pairs of text items from individual groups of the multiplicity of groups; ordering pairs of text items based upon the unique item codes assigned to individual text items of respective pairs of text items such that each respective pair has a respective unique order position relative to other pairs; providing in computer readable media a pair order information structure that stores respective associations between respective identified pairs and their respective unique order positions.