半监督学习问题广泛存在于现实世界中,已经成为目前机器学习和模式识别领域中的一个研究热点.文章综述了半监督学习问题的基本思想、研究现状、常用算法及其一些应用领域,分析了目前存在的主要困难,并指出需进一步研究的几个问题.
Semi-supervised learning has been widely used in the world and become a hot topic in the research field of machine learning and pattern recognition.The paper summarizes the basic assumption,the research situation at present,and the algorithms which was used to resolve some practical problems.Main difficulties and the questions which will be solved in the future are also shown.