The concept of “word cloud” was proposed by Rich Gordon, associate professor of journalism and director of new media at Northwestern University. Gordon has worked as an editor and reporter, and served as director of the new media edition of the Miami Herald. He has always been concerned about new forms of online content publishing, which are only available on the Internet and cannot be used by other media such as newspapers, radio, and television. Usually, these new communication methods suitable for the Internet are also good communication methods. Therefore, “word cloud” is to visually highlight the keywords that appear frequently in network texts, forming a “keyword cloud layer or “keyword rendering”, thereby filtering out a large amount of text information, so that web browsers can understand the main idea of the text just by looking at the text.
Word cloud charts are widely used in education, entertainment, computer software and other fields. For example, in electronic novel reading, word cloud charts will prompt keywords and subject indexes to facilitate customers to read quickly on the Internet. Some advanced foreign language learning websites use education and entertainment methods, and use automatic analysis methods to perform probability statistics and analysis, and provide foreign language learners with corresponding vocabulary lists and word cloud charts: Some entertainment enthusiasts also save word cloud charts, print them on postcards, and even put them in their own online photo albums. These are all good ways to show themselves.
In data visualization charts, word cloud charts are a kind of chart with strong visual impact. The input text is extracted, and then the high-frequency words are displayed according to the frequency of the words. It is simple, intuitive and efficient. At present, there are many word cloud chart production tools at home and abroad, such as micro word cloud, WordArt, tablcau In addition, sellers can also use programming languages such as Pvthor to create word cloud maps. Different tools or production methods have different characteristics and advantages and disadvantages. Sellers can try and choose their favorite software or method to create word cloud maps according to their needs.