Page 268 - Trust in ICT 2017

5 Trust in ICT

III.1.2 Actors

This use case involves interactions among the following entities:
– Host: provides available accommodations
– Traveller: uses accommodations from host
– Accommodation: facilities provided by host
– Peer-to-peer accommodation service provider: provide services that connects hosts and travellers
for their transactions
– Trust information provider: provide trust index of each entity based on collected information.

III.1.3 Service flow

Figure III.2 – Peer-to-peer accommodation service flow

 Detailed flow description (Figure III.2)
1) A host registers his/her available accommodation to the service provider (The service provider
checks the host’s trust index).

2) A traveller finds accommodation through the service provider and chooses one for reservation
based on trust index of accommodation (The traveller checks trust index of the accommodation,
and the host checks trust index of the traveller).
3) The host receives the traveller’s reservation request and accepts it based on traveller’s trust index.
4) The traveller stays in the accommodation during reservation duration. During this period, resource
usage is recorded by the host for further evaluation.
5) After the traveller checks out, then both the host and the traveller reviews about these review
results are transferred to trust information provider for adjusting actors’ trust index.

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