Clustering is a Relativity analytics process which is performed by selecting Cluster from the mass operations menu:

Another way to perform clustering automatically is to set the option to cluster documents when creating a conceptual index:

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A WWID (World Wide Identifier) number is used to keep track of storage devices. If you come across one in metadata you may be able to use it to hunt down the type of device being referenced. It may also be referred to as the WWN, the World Wide Name. An organization unique identifier (OUI) may comprise part of the WWID. A list of OUIs is located here:

So this example for a Cisco device:

. . . can be cross-referenced with this information:

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When you add a plus sign '+' after characters identified within square brackets in a regular expression search, the search will find any instances where one or more of these characters appear. So this search:


. . . will find strings which begin with one or more instances of the uppercase letters between A to D, one or more digits between 1 and 5, and end with one or more of the lowercase letters between a and c.

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Sean O'Shea has more than 15 years of experience in the litigation support field with major law firms in New York and San Francisco.   He is an ACEDS Certified eDiscovery Specialist and a Relativity Certified Administrator.

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