select id from editConference where ConfUrl = 'nanotechnology.omicsgroup.com/2015/eposter/persistent-issues-associated-with-monitoring-measuring-and-assessing-risk-of-engineered-nanomaterials-nanotechnology-2015' and up=1 ORDER BY id ASC select id from editConference where ConfUrl = 'nanotechnology.omicsgroup.com' and up = '1' ORDER BY id ASC