主权项 |
1. A method for providing a service by a service provider (30), comprising:
receiving, by the service provider (30), a request from a service demander (10) for a piece of information (I) relating to a multiplicity of data providers (20a, . . . , 20n); receiving, by the service provider (30), from the multiplicity of data providers (20a, . . . , 20n) data (D) that each describe a parameter (P1, . . . , Pn) from a multiplicity of parameters along a journey route (S), wherein the journey route has a multiplicity of subsections (T1, . . . , Tn); the service provider (30) generating the information (I) by evaluating respective data that describe selected parameters (P1, . . . , Pn) from the multiplicity of the parameters along the journey route (S); receiving, by the service provider (30), from the service demander (10), a request (R) for the provision of the information (I) from the service provider (30) for the journey route (S); selecting, by the service provider (30), parameters (P1, . . . , Pn) that are to be evaluated from the multiplicity of the parameters for providing the requested information (I) to the service demander (10); selecting, by the service provider (30), a number of data providers (20a, . . . , 20n) for the respective provision of the data (D) describing the parameters (P1, . . . , Pn) that are to be evaluated; receiving, by the service provider (30), from the selected data providers (20a, . . . , 20n), the respective data (D) from the selected parameters (P1, . . . , Pn) so as to receive from at least one of the selected data providers (20a, . . . , 20n) data (D) describing at least one of the selected parameters (P1, . . . , Pn) along one of the subsections (T1, . . . , Tn) of the journey route (S), wherein the subsection (T1, . . . , Tn) is shorter than the journey route (S), or so as to receive from the at least one data provider (20a, . . . , 20n) respective data (D) describing a first portion of the parameters (P1, . . . , Pn) along the whole journey route (S) and receive from at least one further data provider (20a, . . . , 20n) respective data (D) describing a second portion of the parameters (P1, . . . , Pn) along the whole journey route (S), wherein the first and second portions of the parameters (P1, . . . , Pn) each comprise fewer parameters than the whole of the selected parameters (P1, . . . , Pn); and the service provider (30) evaluating the data (D) respectively received from the selected data providers (20a, . . . , 20n), and providing the information (I) to the service demander (10) on the basis of the evaluation of the data (D). |