1. 08/06/2001ZEUS Consulting SA1 REGNET E-Business Data Management Kostas Giotopoulos

2. 08/06/2001ZEUS Consulting SA2 Operational Concept Facilitation of the management of the data related products and services Connection to the Procurement and delivery of goods and services provided by cultural organizations

3. 08/06/2001ZEUS Consulting SA3 Components of the node Product Catalogue Management Metadata for: Products by content providers Services by service providers Allows search and retrieval for: Distributed product catalogues Distributed services catalogues Procurement, Delivery Invocation Provides access to: Products Services Transforms requests: real orders Logistic processes Deals with contractual matters and partnerships among the stakeholders of the REGNET System.

4. 08/06/2001ZEUS Consulting SA4 Subsystem 7: Product Catalogue Management (PCM)

5. 08/06/2001ZEUS Consulting SA5 …PCM (Components) 1 Metadata Refinement Mechanism Updating existing metadata based on database updates. (Input from Migration System) Updating existing metadata based on query feedback. Time-consuming and should be performed off-line Resource Discovery Mechanism Finds the best collections for a query that an end-user has made to the system. Query translator The queries that are given to the system by the user need correspond directly to requirements on our metadata architecture

6. 08/06/2001ZEUS Consulting SA6 …PCM (Components) 2 Migration System reflect all changes of a product features (i.e. price etc.) to the Product Catalogue Management. Decision Support provides the decision for the output of the results of the queries into a necessary format in the presentation layer Metadata Repository different sub-repositories information models metainformation models dependencies of the above two metainformation for the selective extraction of the query results

7. 08/06/2001ZEUS Consulting SA7 Inputs of the PCM The query from the user The metadata from the metadata generator The changes of the feature of a product in order to update the already stored metadata

8. 08/06/2001ZEUS Consulting SA8 Output of the PCM The presentation of the results of a query in the presentation layer of the portal.