A remote network management platform comprising: a database containing a plurality of configuration items associated with a managed network that is managed by the remote network management platform, wherein the plurality of configuration items relate to computing devices and software applications disposed within the managed network; and a server device configured to: determine a set of duplicate representations of a particular configuration item of the plurality of configuration items; generate and provide, to a client device, a graphical user interface including a first plurality of data entry fields, wherein each data entry field of the first plurality of data entry fields correspond to a respective duplicate representation of the set of duplicate representations; generate a master representation based on a selected data entry field from the first plurality of data entry fields that corresponds to a selected duplicate representation of the set of duplicate representations, wherein generating the master representation comprises setting the selected duplicate representation as the master representation; generate and provide, by way of the graphical user interface, a second plurality of data entry fields, wherein each data entry field of the second plurality of data entry fields corresponds to a value of an attribute within each duplicate representation of the set of duplicate representations; receive, from the client device, an indication of one or more selected data entry fields of the second plurality of data entry fields; set one or more attribute values of the master representation as the value of the attribute corresponding to the one or more selected data entry fields from the second plurality of data entry fields; and replace, in the database, the set of duplicate representations with the master representation. a database containing a plurality of configuration items associated with a managed network that is managed by the remote network management platform, wherein the plurality of configuration items relate to computing devices and software applications disposed within the managed network; and a server device configured to: determine a set of duplicate representations of a particular configuration item of the plurality of configuration items; generate and provide, to a client device, a graphical user interface including a first plurality of data entry fields, wherein each data entry field of the first plurality of data entry fields correspond to a respective duplicate representation of the set of duplicate representations; generate a master representation based on a selected data entry field from the first plurality of data entry fields that corresponds to a selected duplicate representation of the set of duplicate representations, wherein generating the master representation comprises setting the selected duplicate representation as the master representation; generate and provide, by way of the graphical user interface, a second plurality of data entry fields, wherein each data entry field of the second plurality of data entry fields corresponds to a value of an attribute within each duplicate representation of the set of duplicate representations; receive, from the client device, an indication of one or more selected data entry fields of the second plurality of data entry fields; set one or more attribute values of the master representation as the value of the attribute corresponding to the one or more selected data entry fields from the second plurality of data entry fields; and replace, in the database, the set of duplicate representations with the master representation. determine a set of duplicate representations of a particular configuration item of the plurality of configuration items; generate and provide, to a client device, a graphical user interface including a first plurality of data entry fields, wherein each data entry field of the first plurality of data entry fields correspond to a respective duplicate representation of the set of duplicate representations; generate a master representation based on a selected data entry field from the first plurality of data entry fields that corresponds to a selected duplicate representation of the set of duplicate representations, wherein generating the master representation comprises setting the selected duplicate representation as the master representation; generate and provide, by way of the graphical user interface, a second plurality of data entry fields, wherein each data entry field of the second plurality of data entry fields corresponds to a value of an attribute within each duplicate representation of the set of duplicate representations; receive, from the client device, an indication of one or more selected data entry fields of the second plurality of data entry fields; set one or more attribute values of the master representation as the value of the attribute corresponding to the one or more selected data entry fields from the second plurality of data entry fields; and replace, in the database, the set of duplicate representations with the master representation.