This isn't surprising, and it isn't limited to CS research. I've known people who got papers in different fields because of a similar approach. It's also notew

This isn't surprising, and it isn't limited to CS research. I've known people who got papers in different fields because of a similar approach. It's also noteworthy that it seems that Chinese engage in this quite a bit, either due to their culture that does not forbid cheating (e.g. see how they pass the GRE or other standard tests) or because there are a lot of them.