Page 79 - Big data - Concept and application for telecommunications
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2                                Big data - Concept and application for telecommunications                       2


            Figure 7-4 illustrates the case where the intermediator imports and manipulates data from multiple data
            sources (Data supplier and Big data service provider S). Data broker I in the intermediator provides meta-
            information registry. The big data service provider I provides a metadata and service catalogue to the data
            target.

            Between a data source and an intermediator, two types of exchange interaction scenarios are shown as
            follows:

            1)      EXSC: Data supplier → Big data service provider;

            2)      EXIW: Big data service provider → Big data service provider.

























                                    Figure 7-4 – Import of intermediary exchange pattern


            Between the intermediator and the data target in Figure 7-5, data broker I in the intermediator provides a
            metadata  and  service  catalogue  to  the  data  target,  and  three  types  of  scenarios  (EXSC,  EXIW,  EXPU  in
            clause 7.1.1) are used.



























                        Figure 7-5 – Export of intermediary exchange pattern using internal data broker


            The case of intermediary exchange pattern, intermediator may publish meta-information to the external
            online registry for data sharing. In Figure 7-6, Data supplier I and Big data service provider I publish metadata
            and big data service catalogue to data broker I. Data broker I re-publishes the information to the external



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