A Method for Distributed Spatial Metadata Retrieval Based on Directory Services
Hongsheng Chen · Computer Engineering and Science · 2011
Considering the applied problems in sharing distributed heterogeneous spatial data,this paper proposes a retrieval method for distributed spatial metadata based on directory services.A framework of distributed spatial metadata directory services is established.Moreover,a hierarchical directory structure based on spatial locations is built to provide logical association and organization foundation for distributed spatial metadata.Then a multi-directory-servers-oriented mode is presented to support directory services implementation at the physical level.Thus,distributed spatial metadata can be retrieved effectively.