Day_26 : A text mining : Trends of disaster research on aging

Have just conducted a text mining as follows:

Overviews of the Literatures concerning elderly and disasters by text mining for the initial stage.
1.Search the keywords at Web of Science (Core Collection)
2.Selected Information (Authors, Titles, and Abstracts) was gathered into one text file.
3.1st contents analysis has been carried out and omitted the unnecessary words for the next analysis.
Cleaning process
4.2nd contents analysis has been carried out. >>This process was repeated
5.Research findings are examined.
6.Check the extracted words and phrases by reaching to the original abstracts and original papers.

*5 and 6 are not finished yet.
**To do the textmining, RH corder was used.

The folloing attached file is the results which I can share