Research, Digital Library Services Based On Scene Information

The resources of the digital libraries are becoming richer and richer with the increasing popularity of the Internet. But for most users, it is very difficult to get what they want from the mass digital resources. As a result, it is necessary for the digital libraries to take good advantage of personalized information services to meet the demands. To provide the targeted users with personalized services, the digital services should analyze the users' personal interests, professional background including time and other information. Consequently, the digital resources can be used efficiently and highly qualitatively.Based on the researches of the ontology base, context and the context model, this thesis constructs a personalized information service model and describes the practice process of the model. And then the author did a lot of researches on the construction of the context model. This thesis has also explored some methods and approaches to obtain context information on the researches of the data from the Access Control System, the digital reading rooms and the student individual information in Tianjin Commercial University. The author has set up a context information warehouse so that he can use the FP-growth to analyze the data, which leads to the conclusion that different users can get different personalized digital services. In the thesis you can find it easy that the libraries are weak at protecting the document guarantee and propagating their literature resources.