Urban Data Challenge is the Japanese competition on utilizing open data for addressing local problems.
According to PR-model, urbandata-challenge.jp is ranked 2,392,994th in multilingual Wikipedia, in particular this website is ranked 213,486th in Japanese Wikipedia.
The website is placed before nakagawaseitai.co.jp and after ellisvilledogpark.com in the BestRef global ranking of the most important sources of Wikipedia.
