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Abstract

A method for selecting a target group for an operation applied to a network element (NE) of a communication network includes (a) receiving from a network management element information on the operation and on the first target group (S), which is a group of object instances contained in the memory of the network element, and as comparison criteria of object instance attributes, the criteria containing the reference values, (b) comparing the attribute values of object instances belonging to the first target group to said reference values, and (c) selecting the final target group from among those object instances in the first target group (S) that have attributes fulfilling the received comparison criteria. To achieve a general-purpose method, a comparison between the attributes of a single object instance is carried out by (i) reading a semantic data which has been prestored in the network element memory, and which is associated with the attribute, (ii) searching the associated attribute value of the object instance from the network element, and (iii) comparing the attribute value to the received reference value by utilizing the semantic data read.

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