Research on edition of document management system in PDM;

Distinguishing the Editions of Jinding Jiankang Chorography;

The book still exists some errors when it is collated according to various versions though it had been complenmented and corrected.

This article will point out what is added and what is deleted, in the four books and then to highlight Yang s contribution to the science of bibliography in the aspects of versions, check and annotation, materials, etc, thus to make clear his importance in the history of WSDL s study.

There were six versions of WenXuan since it was first block-printed in Edo Period.

An Analysis on the Edition System and Differences between the two Versions of Ouyang Xiu’s Works Collection;

Study on spatio-temporal data model based on feature-version applied in wetland management;