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...Introduction tag clouds are a popular way to visually represent word frequencies major limitation of is that they treat different forms the same as individual tags for example singular and plural treated cont we have two cases in first case all variations words appear cloud this take up screen space could better be used display other information or additional second such not shown at because frequent enough viewer has no indication whether there text overcome developed prefix it creates tree groups visualizes subtrees color emphasize grouping while relative indicated by font size grouped arranged circular layout supports quick identification most creation process creating consists three main components generated from set requires order lexicographically rendered node link diagrams sizes prefixes scaled according composed placed given drawing area generation initial input t with n finite sequence characters alphabet each ti contains least one character an empty string...