The organizational structure of post-coordinate retrieval systems

Addressing the limitations of previous studies,the authors suggest that the organizational structure of post-coordinate retrieval systems should be speculated according to the characteristics of the coordination methods and their basic components.Taking keyword search engines as an example,the authors analyse their components and features,examine retrieval-related factors and research issues,and point out that professionals in the field of information organization should play an important role in the study of post-coordinate systems by taking advantage of their rich experiences in research and practice.