Building Tag Clouds in Perl and PHP

Table of contents

1. Building Tag Clouds in Perl and PHP
   1. A Note Regarding Supplemental Files
   2. Copyright
   3. Building Tag Clouds in Perl and PHP
   4. 1. Tag Clouds: Ephemeral or Enduring?
   5. 2. Weighted Lists
      1. 1.1. Creating Weighted Lists
         1. 1.1.1. A: Visual Features
         2. 1.1.2. B: Underlying Data
      2. 1.2. Tag Cloud Properties
      3. 1.3. The Utility of Tag Clouds
   6. 3. Some History
   7. 4. Design Tips for Building Tag Clouds
      1. 4.1. Choose the Right Language
      2. 4.2. Make Your Tag Clouds Visible to Search Engines
      3. 4.3. Frequency Sorting
      4. 4.4. Avoid Random Mappings
      5. 4.5. Make Tag Clouds Relevant to Your Users
      6. 4.6. Try Different Mappings
   8. 5. Making Tag Clouds in Perl
      1. 5.1. Collecting Tags
      2. 5.2. Collecting Genesis Words in Perl
      3. 5.3. Collecting del.icio.us Tags in Perl
      4. 5.4. Displaying Tags In Perl Using HTML::TagCloud
      5. 5.5. Displaying Tags In Perl Using Your Own Code
      6. 5.6. Magnifying the Long Tail (Inverse Power Mapping in Perl)
   9. 6. Making Tag Clouds in PHP
      1. 6.1. Collecting Tags
      2. 6.2. Collecting Genesis Words in PHP
      3. 6.3. Collecting del.icio.us Tags in PHP
      4. 6.4. Display Tags in PHP
      5. 6.5. Magnifying the Long Tail (Inverse Power Mapping in PHP)
   10. 7. Conclusion