OS X Mountain Lion

E215078

Mac operating system desktop operating system proprietary software

OS X Mountain Lion is the ninth major release of Apple’s Mac operating system, focusing on tighter integration with iOS services and enhanced security and cloud features.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (4)

Label	Occurrences
OS X 10.8	2
OS X 10.8 Mountain Lion	2
OS X Mountain Lion canonical	2
macOS Mountain Lion	1

How this entity was disambiguated

This entity first appeared as the object of triple T1935159 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: OS X Mountain Lion
Context triple: [Gatekeeper, introducedIn, OS X Mountain Lion]

A. Mac OS X 10.6 Snow Leopard
Mac OS X 10.6 Snow Leopard is a refinement-focused release of Apple's Mac operating system that emphasized performance, stability, and under-the-hood improvements over major new features.
B. Mac OS X 10.5 Leopard
Mac OS X 10.5 Leopard is a major 2007 release of Apple’s Mac operating system that introduced features like Time Machine, Spaces, and an updated user interface while dropping support for running classic Mac OS applications.
C. Mac OS X 10.4 Tiger
Mac OS X 10.4 Tiger is a major release of Apple’s desktop operating system that introduced features like Spotlight search and Dashboard widgets while bridging the transition from Classic Mac OS to modern macOS.
D. macOS
macOS is Apple’s proprietary Unix-based operating system known for its graphical user interface, tight integration with Apple hardware and services, and strong emphasis on usability and security.
E. Mac
Mac is Apple’s line of personal computers known for their sleek hardware design and tight integration with the macOS operating system.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: OS X Mountain Lion
Target entity description: OS X Mountain Lion is the ninth major release of Apple’s Mac operating system, focusing on tighter integration with iOS services and enhanced security and cloud features.

A. Mac OS X 10.6 Snow Leopard
Mac OS X 10.6 Snow Leopard is a refinement-focused release of Apple's Mac operating system that emphasized performance, stability, and under-the-hood improvements over major new features.
B. Mac OS X 10.5 Leopard
Mac OS X 10.5 Leopard is a major 2007 release of Apple’s Mac operating system that introduced features like Time Machine, Spaces, and an updated user interface while dropping support for running classic Mac OS applications.
C. Mac OS X 10.4 Tiger
Mac OS X 10.4 Tiger is a major release of Apple’s desktop operating system that introduced features like Spotlight search and Dashboard widgets while bridging the transition from Classic Mac OS to modern macOS.
D. macOS
macOS is Apple’s proprietary Unix-based operating system known for its graphical user interface, tight integration with Apple hardware and services, and strong emphasis on usability and security.
E. Mac
Mac is Apple’s line of personal computers known for their sleek hardware design and tight integration with the macOS operating system.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	Mac operating system ⓘ desktop operating system ⓘ proprietary software ⓘ
announcedAt	Apple Worldwide Developers Conference 2012 ⓘ
announcedOn	2012-02-16 ⓘ
codename	Puma concolor ⓘ surface form: Mountain Lion
developer	Apple Inc. ⓘ
discontinued	true ⓘ
distributionMethod	Mac App Store digital download ⓘ
focus	cloud features ⓘ enhanced security ⓘ integration with iOS services ⓘ
followedBy	OS X Mavericks ⓘ
goldMasterDate	2012-07-09 ⓘ
includedApplication	Game Center ⓘ Messages ⓘ Simplenote ⓘ surface form: Notes Reminders ⓘ Apple Safari ⓘ surface form: Safari 6
includedFeature	AirPlay ⓘ surface form: AirPlay Mirroring Dictation ⓘ Facebook integration ⓘ Game Center ⓘ Gatekeeper ⓘ Gatekeeper app signing enforcement ⓘ Messages app ⓘ Notes app ⓘ Notification Center ⓘ Power Nap ⓘ Reminders ⓘ surface form: Reminders app Twitter integration ⓘ iCloud integration ⓘ
includedUserInterface	Aqua ⓘ
initialPriceUSD	19.99 ⓘ
kernelName	XNU ⓘ
kernelType	hybrid kernel ⓘ
latestReleaseDate	2013-10-03 ⓘ
latestReleaseVersion	10.8.5 ⓘ
license	Apple end-user license agreement ⓘ
marketingTarget	Mac ⓘ surface form: Mac computers
operatingSystemFamily	macOS ⓘ surface form: OS X
precededBy	Mac OS X 10.7 Lion ⓘ surface form: OS X Lion
releaseDate	2012-07-25 ⓘ
sourceModel	closed source with open-source components ⓘ
supportedPlatform	x86-64 ⓘ
supportsService	AirPlay ⓘ Game Center ⓘ iCloud ⓘ iMessage ⓘ
supportStatus	ended ⓘ
versionNumber	10.8 ⓘ

How these facts were elicited

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Gatekeeper → introducedIn → OS X Mountain Lion ⓘ

Notification Center → introducedIn → OS X Mountain Lion ⓘ

Notification Center → introducedInVersion → OS X Mountain Lion ⓘ

this entity surface form: OS X 10.8

Apple iChat → discontinuedInVersionOf → OS X Mountain Lion ⓘ

this entity surface form: OS X 10.8 Mountain Lion

Do Not Disturb → introducedIn → OS X Mountain Lion ⓘ

this entity surface form: macOS Mountain Lion

Do Not Disturb → introducedInVersion → OS X Mountain Lion ⓘ