Managed meta data is a hierarchical collection of centrally managed terms that you can define and then subsequently use them as attributes for various items in SharePoint 2010. The Keywords and the collections can be stored and managed independently from their actual association in the application.
The different components of Managed Meta data are
There are two types of Terms available :
There are two ways of adding the Terms in the “Term Store Management Tool”. Adding the terms directly by going to the “Central Administration” –> “Manage Service Application” –> “Managed Metadata Service” –> “Term Store Management Tool”.
Hint: In the central administration, If you don’t get an option of manipulating the terms then it basically means that the user does not have proper access to the tool. you should add the user to the “Term Store Administrators”.
you can also add the terms by importing a csv file of keywords.
The Terms added through the “Term Store Management tool” are global in nature.
The process of including the tags in the Tasks involves the following activities:
SharePoint provides support for two different types of terms:
Equivalent Term Types
SharePoint provides support for synonyms or most preferred terms. For e.g., MCSD corresponds to “Microsoft Certified Software Developer”. This provides fair information about the equivalence amount of information for a specific word.
Hierarchical Term Types
This helps in setting the information hierarchy across the organization and helps in categorizing the data.
For e.g., Organization –> Departments-> Sub Departments—> Functional Areas etc..
Advantages of Managed Metadata
The managed meta data can be used in many ways: