Mac OS X 10.5 Leopard
E210860
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Mac OS X 10.5 Leopard canonical | 8 |
| Mac OS X Leopard developer preview | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1774318 — 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: Mac OS X 10.5 Leopard Context triple: [Classic Environment, discontinuedOn, Mac OS X 10.5 Leopard]
-
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 10.4 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.
-
C.
Mac OS X 10.3 Panther
Mac OS X 10.3 Panther is a major release of Apple’s Mac OS X operating system, introduced in 2003 with improved performance, a refined Aqua interface, and enhanced features like Exposé and Fast User Switching.
-
D.
Mac OS X 10.0 Cheetah
Mac OS X 10.0 Cheetah is the first major release of Apple's Mac OS X operating system, notable for debuting the modern, visually rich user interface that replaced the classic Mac OS.
-
E.
Mac OS X 10.2 Jaguar
Mac OS X 10.2 Jaguar is a major early release of Apple’s Unix-based Mac operating system that improved performance, networking, and user interface features while supporting legacy Mac OS applications via the Classic Environment.
- 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: Mac OS X 10.5 Leopard Target entity description: 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.
-
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 10.4 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.
-
C.
Mac OS X 10.3 Panther
Mac OS X 10.3 Panther is a major release of Apple’s Mac OS X operating system, introduced in 2003 with improved performance, a refined Aqua interface, and enhanced features like Exposé and Fast User Switching.
-
D.
Mac OS X 10.0 Cheetah
Mac OS X 10.0 Cheetah is the first major release of Apple's Mac OS X operating system, notable for debuting the modern, visually rich user interface that replaced the classic Mac OS.
-
E.
Mac OS X 10.2 Jaguar
Mac OS X 10.2 Jaguar is a major early release of Apple’s Unix-based Mac operating system that improved performance, networking, and user interface features while supporting legacy Mac OS applications via the Classic Environment.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Mac OS X release
ⓘ
desktop operating system ⓘ |
| announcedAtEvent |
Apple Worldwide Developers Conference 2006
ⓘ
surface form:
Worldwide Developers Conference 2006
|
| announcedBy | Steve Jobs ⓘ |
| codename | Leopard ⓘ |
| defaultUserInterface | Aqua ⓘ |
| developer | Apple Inc. ⓘ |
| droppedSupportFor | Classic Mac OS environment ⓘ |
| includedApplication |
Front Row
ⓘ
Mail ⓘ
surface form:
Mail 3
Photo Booth ⓘ Safari ⓘ
surface form:
Safari 3
Apple Calendar ⓘ
surface form:
iCal 3
Apple iChat ⓘ
surface form:
iChat 4
|
| includedFeature |
Boot Camp (final version)
ⓘ
Core Animation ⓘ
surface form:
Core Animation framework
Cover Flow in Finder ⓘ Mail stationery and notes ⓘ Quick Look ⓘ Spaces ⓘ Spaces virtual desktops ⓘ Spaces-based window management ⓘ Stacks in Dock ⓘ Time Machine (Mac OS X feature) ⓘ
surface form:
Time Machine
enhanced Spotlight search ⓘ new iChat features ⓘ new unified window theme ⓘ parental controls improvements ⓘ updated Dock with 3D appearance ⓘ |
| initialReleaseDate | 2007-10-26 ⓘ |
| kernelName | XNU ⓘ |
| kernelType | hybrid kernel ⓘ |
| lastVersionToSupport | PowerPC architecture ⓘ |
| latestReleaseDate | 2009-08-05 ⓘ |
| latestReleaseVersion | 10.5.8 ⓘ |
| license | proprietary software license ⓘ |
| marketingSlogan | “Leopard: the world’s most advanced operating system.” ⓘ |
| notableChange |
dropped support for running classic Mac OS applications
ⓘ
introduced Quick Look file preview ⓘ introduced Spaces virtual desktops ⓘ Time Machine (Mac OS X feature) ⓘ
surface form:
introduced Time Machine backup system
|
| operatingSystemFamily |
macOS
ⓘ
surface form:
Mac OS X
|
| predecessor | Mac OS X 10.4 Tiger ⓘ |
| releaseYear | 2007 ⓘ |
| sourceModel |
closed source
ⓘ
with open-source components ⓘ |
| successor | Mac OS X 10.6 Snow Leopard ⓘ |
| supportedPlatform |
x86
ⓘ
surface form:
Intel x86
PowerPC ⓘ |
| supportedUntil | 2014-02- ⓘ |
| versionNumber | 10.5 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mac OS X 10.5 Leopard Description of subject: 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.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Classic Environment
this entity surface form:
Mac OS X Leopard developer preview