Research on embedded subject service under ubiquitous knowledge environment

Embedded subject service has become a new trend of library subject service under ubiquitous knowledge environment, and it´s a personalized service initiative of libraries. This paper summarizes the embedded subject service of libraries in the world, and points out that embedded subject service contains embedded information literacy education and embedded science research, which means librarians embedded into the user´s physical space and virtual space to provide personalized subject information service at anytime at anywhere.