It matters a lot, where you are publishing your painstaking research. Recently, there is a boom in number of predatory publishers probably due to the "publish or perish" mindset (among research communities).
Dr. Jeffrey Beall, an academic librarian at University of Colorado Denver for over 24 years who have published extensively in the areas of metadata, full-text searching, and information retrieval. His ventures are helping researchers around the world in finding details regarding Journals and publishers.
Try checking the latest Beall's list for Potential, possible, or probable predatory scholarly open-access journals, before you submit your valuable research (to a Journal).