Method and apparatus for merging communication information of a user

摘要

A method, apparatus and computer program of merging communication information of a user are disclosed. When a user is authenticated in a communication service (3), any previous communication records generated by anonymous accesses of the user are incorporated to the communication information of the authenticated user (2) in a database (8), such as a data warehouse managed by a data staging (7) area. In order to determine if a first communication information (11) of an unidentified user (1) and a second communication information (12) of the authenticated user (2) belong to the same client, a user device identification code is compared of both communication histories are compared.