With the queries the author often meets and the practice,the thesis emphasizes the retrieval methods and utility of online legal information resources.

Networked Medical Information Resources Evaluation;

Grey literature —— the other information resource of science and technology;

Management and exploration of internet information resources for art design;

Aimed at the resource information sharing in manufacturing grid (MG),XML is employed to express the information of manufacturing resource.

Sugar information sources on internet;

The exploitation of the archives information source of Wuhan Institute of Physical Education;

The preserving of information source in a digital library is related to a series of technological problems,such as information format?media interaction and information transmissin as a result of the technological innovation So far there are no better ways to solve the above problems This paper makes a tentative and strategic discussion on i