Design and implementation of a Personal Digital Library platform

Personal digital library(PDL) plays an important role in learning, working and daily life. The paper proposes a model of PDL according to its functions. The model includes data layer, service layer, assistant layer. The PDL can be interactive with public library or digital repository. After analyzing current tools suitable for building personal digital library and their deficiency in details, the author explores some work that should be done in the future to make personal digital library work well.