Intent Catastrophe management data techniques (DMISs) are proposed in different elements of the entire world for helpful response to some disaster. The purpose of this paper should be to: compare structure ways of such DMISs; examine similarities in the look of databases and conversation infrastructure; and attract conclusions. Based upon https://essayv.org/%e6%af%95%e4%b8%9a%e8%ae%ba%e6%96%87research-gap%e6%80%8e%e4%b9%88%e5%86%99/