what is the research strategy to adopt to compile my notes into a scientific article for a conference?
Conferences generally publish novel research: papers that present new findings, ideas or techniques. Research in academia does not mean the same thing as in high school. So if all you have is notes on other papers, that's not publishable.

The only real exception to this is survey papers, where you give an extremely comprehensive overview and framing of  research in a given topic. But these tend to be long, so they're usually in journals, and are usually written by experts who have been involved with the developments they're writing about.