Billion bird night recorded this week as 1.25B birds flew across U.S.

This week, scientists estimated that 1.25 billion birds were in flight, mostly in the Southeast, where a northerly breeze ...
IEEE

The Support Vector Machine Model and Application Based on Particle Swarm Optimization Algorithm

Abstract: The support vector machine (SVM) model has been widely used in network security fields since it was proposed, but the original SVM model has some defects. In response to the limitations of ...