Keyword Co-Occurrence Network and Search Technique for Literature from Four Bay Area

This data set is mainly based on the total data of the documents published in the four Bay areas (New York Bay area, San Francisco Bay area, Tokyo Bay area, Guangdong Hong Kong Macao Bay Area) and the data of the documents published in each bay area in the core collection database of web of science. The document keyword co-occurrence network diagram is drawn by using vosviewer visual drawing tool. There are 5 pictures including "four Bay Area document keyword co-occurrence network", "New York Bay Area document keyword co-occurrence network", "San Francisco Bay Area document keyword co-occurrence network", "Tokyo Bay Area document keyword co-occurrence network" and "Guangdong Hong Kong Macao Bay Area document keyword co-occurrence network". In addition, a key word list of the four Bay areas and each bay area is attached. This retrieval method is based on the definition of the geographical scope of the Bay Area in the United States Office of management and budget and the outline of the development planning of the Greater Bay area of Guangdong, Hong Kong and Macao, and also refers to the retrieval method of the articles of scholars who have common characteristics with the research object.