In order to make sure that the process is as language-independent as possible, we declined to make use of any non-English linguistic resources outside of the Wikimedia domain (specifically, Wikipedia and the English language Wiktionary (en.wiktionary.org)).
of course, even in languages with capitalization, "train station" would be marked incorrectly in the article in which the above was located, but the mistake would be isolated, and should have minimal impact overall.