A simply query to find users in your city or country. Added user links to the original version.
Q&A for active researchers, academics and students of physics
select Users.Id [User Link], Users.Reputation, Users.DisplayName, Users.Location, Posts.Tags
from Users, Posts
where Location like '%Bucharest%' and Tags like '%performance%' and Users.Id = Posts.OwnerUserId
order by Reputation desc