Even when the words are clickable, we simply end up performing a search on only one keyword losing important contextual information as a result. A tag cloud does not provide a way to navigate through a text.
topic modeling), although complex probabilistic algorithms used in approaches like LDA or pLSA do not provide an easy and intuitive way to visualize this data.Īnother problem is the use of tag cloud as an interface: it is convenient, but not as much as could have been. Some of this information can now be retrieved using various data mining tools (e.g. While such representation provides a general idea of what the text is about it omits important information about the different topics inside, their relationships, and the structure of the discourse. Most of the word clouds simply show the most popular tags ranged by their frequency (following tf–idf method), listed alphabetically. A tag cloud of Ghandi’s address made using TagCrowd.Com.
