This document discusses how tag clouds can be used for navigation and discovery of content in learning management systems (LMS). It outlines some of the benefits of tag clouds such as providing an overview of concepts and related content in a less rigid way than categories. It also describes how tag clouds can be personalized based on a user's interests and activities. Additionally, it addresses common problems with tag clouds and provides solutions, such as using logarithmic scaling to handle tag weights and WordNet to resolve synonyms.
7. Tag Cloud Properties Font size & color indicates popularity Popularity has several dimensions - Number of Tagged Objects (all time vs. timespan) - Number of clicks on a tag (hot topic) Tip: You can have your own weighting criteria!
