The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
想象并非作为现实的否定或补偿而形成;它在符号之间生长,从一本书到另一本书,在重复和评论的间隙中;它在书籍之间的间隔中诞生并成形。
The past is a cupboard full of light and all you have to do is find the key that opens the door.