Managed metadata is a hierarchical collection of centrally managed terms that you can define, and then use as attributes for items in SharePoint Server 2013.
2. Managed
metadata
… hierarchical collection of centrally managed terms that you
can define, and then use as attributes for items in SharePoint
Server 2013.
4. Local terms
Taxonomy
Created within the context of a site collection
Only for users of that site collection
Global terms
Created from the MMS interface via Central Admin
Available to all sites and site collections connected to MMS
…a formal classification system, groups the words, labels, and terms that describe
something, and then arranges the groups into a hierarchy.
5. Keyword set
Folksonomy
No hierarchy
Open term store (user defined terms)
…informal classification system. It is evolves gradually as web site users collaborate
on words, labels, and terms on a site.
6. Content type hub
Syndicated
content types
Central location for managing and publishing content types
Content type syndication Hub feature (Enterprise metadata hub
site)
Content type publishing
Content type syndication
Content type subscriber job
...centralization and Sharing of Content Types between site collection and even Farms
using Managed Metadata Service application
7. Structural vs. Managed navigation
Managed
navigation
Site navigation term set
Simple links vs. Term-driven pages with friendly URL
8. Consistent use of metadata
Improved content discoverability by search refiners
Allow creation of Aliases for a term
Metadata based site navigation
Benefits
Metadata navigation for lists and libraries
Social tagging
Term translation to support multiple languages
Deprecation support for terms that are not used anymore.
9. Term store management tool
Browser based tool for term set and keywords management
Displays global and local term sets
Taxonomy update scheduler job
Taxonomy
internals
Updates web applications on an hourly basis with changes to
terms used within site collections
Updates the TaxonomyHiddenList in the top-level site in a site
collection
Event receivers
TaxonomyItemSynchronousAddedEventReceiver
TaxonomyItemUpdatingEventReceiver
