Dynamic Relation Management of Hierarchical Data for Interoperability in Distributed Environments

Data heterogeneity and complexity of its relation make difficult to interoperate among legacy information system in a geographically distributed environment. It is necessary to find a way to guarantee the reliability of interoperation among them. In reality, it is difficult to deal with this kind of problems only through the relational mapping because its nature of volatility, the relationship of hierarchical data tends to be frequently changed and modified by the policy. Therefore, this paper describes the several cases on changed relation in distributed and hierarchical data in context of the interconnection with legacy information systems on going, and presents the solution based on hybrid-XMDR which was proposed by our pre-researches. Hybrid-XMDR is a conceptual approach as the solution dealing with data and relation heterogeneity in the distributed information systems. It is extended to handle the relationship of hierarchical data from our pre-researches. In pre-researches, we have applied XMDR for interoperability to solve the data heterogeneity in the distributed environments and overcome the heterogeneity of structure, semantic and representation. In this paper, we attempt to apply for solving the two problems such as data and relation heterogeneity using hybrid-XMDR. It is expected to reduce the heterogeneity problems for interoperating among the distributed and independent legacy systems.