Research on probabilistic plan recognition

The probabilistic plan recognition as a result of its own usability,already became the hot spot which the people pay attention.Therefore,more and more scholars devote to this domain research,until now has researched and developed many effective probabilistic plan recognizers,and has made the good progress.In order to have a more comprehensive understanding to the probability plan recognition,this paper introduced on the probabilistic plan recognition's development,the method and the application.