This is confusing: OPEN INTERNET RESEARCH CHALLENGE ... Both published and unpublished papers will be accepted. Published research papers need to hav

This is confusing: OPEN INTERNET RESEARCH CHALLENGE ... Both published and unpublished papers will be accepted. Published research papers need to have been published after January 2007. Both published and unpublished papers are limited to 20 pages (11 point font). and... ENTER THE RESEARCH CATEGORY Submissions in the research paper category shall be ... .. Papers need to have been peer-reviewed by a recognized scientific conference or journal and must have been published after January 2007. Papers can be uploaded in either PDF or Word format. There are no page limits for research papers. EDIT: I presume that it should have been: Papers (that have been published) need to have been peer-reviewed by a recognized[..]