| 摘要 |
The invention relates to a method of controlling access to a database of a design. The method may comprise the step of identifying a version of the design by a first identifier, allocating first authorization information to the first identifier, and controlling access to the database. The first authorization information may indicate a permission of one or more users to access information in the database in respect of the first identifier. The access may be controlled in accordance with the first authorization information.
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