Abstract: A systematic method for detecting meta-ideas used to expanding a skeletal structure. The folder label for each individual first level skeletal folder is placed in a separate collection, and predefined noise words are removed therefrom. A table is tabulated for each collection counting the single word frequency of each word. Words whose frequency falls below a predetermined threshold are removed from the each frequency table. A combined frequency table is created by joining the individual frequency tables wherein meta-ideas are extrapolated from the results of the combined frequency table.