Page 87 - Big data - Concept and application for telecommunications

2 Big data - Concept and application for telecommunications 2

Appendix II

Use cases of big data exchange
(This appendix does not form an integral part of this Recommendation.)

II.1 Big data direct exchange
II.1.1 Publishing various kinds of data to a data broker

Title Publishing various kinds of data to a data broker (DP:data broker)

Description A company would like to sell various kinds of its own data (becoming thus a data supplier). In order
to promote selling, a person in charge in the company finds a brokerage service (provided by a data
broker) supporting a connection between supply-side and demand-side of data. Then, he uploaded
the metadata to on-line brokerage service.
When the data supplier uploads (or fills in) the requested form with a short data description or data
category described with key words, the data broker categorizes the data by mapping with the
supported taxonomies.
Roles/Sub – DP:data supplier
roles – DP:data broker
Figure
(optional)

Pre-conditions The DP:data broker provides a service interface allowing the DP:data supplier to registering the
(optional) various kinds of data.
The DP:data broker provides multiple domain categories with single data source.
Post-
conditions
(optional)

Derived – Data registration and cataloguing (refer to clause 8.1 requirements 1, 2, 3, 5, 6)
requirement

II.1.2 Online big data market place using a data broker based on the trust

Title Online big data market place using a data broker based on the trust
Description In a big data market place, a data catalogue hosted by a data broker is used for providing
information about data that can be delivered by data suppliers. Information in the catalogue
includes data type, format, size, update frequency, delivery mechanism, category, price, etc. This
data catalogue is consulted by big data service providers (BDSPs) to purchase data from data
suppliers.
The data market place constitutes a trusted environment between data suppliers, the data broker
and BDSPs. Verification of the data in terms of trust and secure transfer of data from seller to buyer
is expected in the big data market place in order to provide data reliability and secure data
transmission.

Moving data – Data exchange and data flow 79