1. A cross-language system for facilitating question answering comprising: a server which hosts a plurality of community question answering websites, one for each of a plurality of countries, a first of the websites using a first language and a second of the websites using a second language, each of the websites configured for generating a graphical user interface to be displayed on a terminal of a user accessing the website; a machine translation system which translates a question submitted by the user to the first website in the first language into the second language; and the cross-language system being configured for: alerting the user to a similar question to the submitted question which has been posted on the second website by a past user in the second language, wherein the similar question is determined using a computed similarity measure; and posting the translated question on the second website and notifying the user of answers to the translated question that are posted on the second website by other users.
1. A cross-language system for facilitating question answering comprising: a server which hosts a plurality of community question answering websites, one for each of a plurality of countries, a first of the websites using a first language and a second of the websites using a second language, each of the websites configured for generating a graphical user interface to be displayed on a terminal of a user accessing the website; a machine translation system which translates a question submitted by the user to the first website in the first language into the second language; and the cross-language system being configured for: alerting the user to a similar question to the submitted question which has been posted on the second website by a past user in the second language, wherein the similar question is determined using a computed similarity measure; and posting the translated question on the second website and notifying the user of answers to the translated question that are posted on the second website by other users. 19. The cross-language system of claim 1 wherein the user interface is configured for uploading an answer submitted by the user to a question posted on a first community question answering website which is a machine translation of a question posed by another user on a second community question answering website.