Well, I'll be happy to use it when some kind of search will be implemented (even google search!) The thing is: as mentionned in other comments, research papers

Well, I'll be happy to use it when some kind of search will be implemented (even google search!) The thing is: as mentionned in other comments, research papers may spread really different fields... so some kind of either search or category may help to find good content wrt specific knowledges.