"Bogus Academic Conferences Lure Scientists" (an article at "pop science")
https://www.popsci.com/science/article/2013-04/scientists-duped-fake-academic-conferences
Dubious conferences put the ‘pose’ in ‘symposium (an article at "science")
http://www.sciencemag.org/careers/2016/11/dubious-conferences-put-pose-symposium
Open Access / Predatory Publishers / Questionable Conferences: Questionable Conferences (Caltech Library)
https://libguides.caltech.edu/c.php?g=512665&p=3503029
Predatory_conference (Wikipedia)