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The purpose of this paper is to provide a data framework to support the incremental aggregation of, and an effective data refresh model to maintain the data consistency in, an aggregated centralized database.

It is based on a case study of enterprise distributed databases aggregation for Taiwan's National Immunization Information System (NIIS). Selective data replication aggregated the distributed databases to the central database. The data refresh model assumed heterogeneous aggregation activity within the distributed database systems. The algorithm of the data refresh model followed a lazy replication scheme but update transactions were only allowed on the distributed databases.

It was found that the approach to implement the data refreshment for the aggregation of heterogeneous distributed databases can be more effectively achieved through the design of a refresh algorithm and standardization of message exchange between distributed and central databases.

The transaction records are stored and transferred in standardized XML format. It is more time‐consuming in record transformation and interpretation but it does have higher transportability and compatibility over different platforms in data refreshment with equal performance. The distributed database designer should manage these issues as well assure the quality.

The data system model presented in this paper may be applied to other similar implementations because its approach is not restricted to a specific database management system and it uses standardized XML message for transaction exchange.

To present a research model attempting to build an innovative common gateway complaint with Rosettanet Standards for the secure message exchange between electronic businesses under this age of internet economy. The use of Rosettanet Standards is to achieve the effectiveness and efficiency of message exchange and consequently gain mutual benefits by means of agile response for cross‐organizational co‐operation.

The common service gateway is modeled by taking the advantages of transmission comply with the standard model specified by RosettaNet among business trading partners involved in supply chain system. A prototyping system compliant with the model presented is built and installed as a gateway interface of digital firms and seamlessly integrate to the firm's backend information system to conduct the message exchange with its business trading partners. The prototype is also implemented to prove the feasibility and effectiveness of this proposal of innovative model.

Through the practical experiment, the service model provided can really assist the firms using this service gateway to conduct its peer trading partners with having same gateway installed may streamline their flow of business data and create a higher value of supply chain between them in terms of communication and operation costs.

More experiments and trials of the prototyping system need to be conducted in different test cases in order to make a concrete conclusion of this paper.

The adoption of international standard model is easier to implement a supply chain system and the business value is also can be achieved if the electronic data exchange is carried over the internet.

The system model presented in this paper can be a valuable reference for further similar development to build an electronic business to achieve the low cost, high efficiency, high security message exchange for digital firms at this internet era.

The paper aims to propose a model that attempts to build an innovative common gateway compliant with RosettaNet Standards for the secure message exchange between electronic businesses in this age of internet economy.

The use of RosettaNet Standards is to achieve the effectiveness and efficiency of message exchange, and consequently gain mutual benefits by means of agile response for cross‐organizational co‐operation. This common message gateway is built and implemented as an organization's front‐end interface, but is seamlessly integrated with business's back‐end information systems for the message exchange with the business partners of the organization. The proposed common gateway service model provides organizations with low cost, high efficiency, high security of message exchange and transmission over the internet. A prototyping system is also built and tested in a local network devices manufacturing company with its suppliers to examine its feasibility and efficiency.

The result shows that the service model can help the company to achieve a new level of efficiency and effectiveness of streamlining data flow and creating a seamless link with its business partners in this era of internet economy.

The paper presents a common gateway service system for secure data exchange and transmission over the internet between business partners to build a value‐added supply network.