Automation of analytical work of drug control agencies on information posted on social networking sites

The article deals with the possibility of automation of analytical work of drug control agencies on information posted on social networking sites by using graph theory algorithms. The formulation and formalization of the problem of finding the shortest user''s chain connecting two specified persons, methods of resolving this problem, as well as the supposed structure of hardware and software system that can be used to solve this problem, and challenges associated with its development and creation are also considered in the article.