SSRF-PDM and its full-text retrieval improvement

Project and data management is essential for Shanghai Synchrotron Radiation Facility(SSRF) which is a huge scientific platform for science research and technology development in China.With Product Data Management(PDM) system,SSRF improves its information service greatly.In this paper,we introduce the network structure,configuration modules and client terminals of the PDM system and the improvement in full-text retrieval subsystem,including its algorithms and details of implement in order to optimize the retrieval system.