How to analyze likes on Vkontakte?

Question

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A photo contest is held in the form of voting (likes are placed) on photos in the album of a group of a large organization. How, most conveniently, you can make an analysis of those who voted on a geographical basis.
So far, the idea is the same:
1) Go to "Community photo rated", using regexp to extract the IDs of those who voted from the source code.
2) Parse each page of the voter but already with a script

Answer 1

Definitely worth using api VKontakte