Palm OS
E193806
Palm OS is a mobile operating system originally developed by Palm, Inc. for personal digital assistants and early smartphones, known for its touchscreen interface and stylus-based input.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Palm OS canonical | 19 |
| Palm OS 3.x | 2 |
| Palm OS 5 | 2 |
| Palm OS ROM | 1 |
| Palm OS family | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1718798 — 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: Palm OS Context triple: [Windows Mobile, competesWith, Palm OS]
-
A.
Symbian
Symbian is a discontinued mobile operating system that was widely used on early smartphones, particularly those produced by Nokia, before being overtaken by modern platforms like Android and iOS.
-
B.
BlackBerry OS
BlackBerry OS was a proprietary mobile operating system developed by BlackBerry Limited, best known for its secure messaging, email capabilities, and widespread use in early smartphones, especially in corporate and government environments.
-
C.
Windows Mobile
Windows Mobile is a discontinued Microsoft operating system platform designed for smartphones and mobile devices, offering a touch-based interface and integration with Windows and Office services.
-
D.
OS/2
OS/2 is a 32-bit multitasking operating system originally developed by IBM and Microsoft as a successor to MS-DOS, known for its stability and use in business environments in the late 1980s and 1990s.
-
E.
Tizen
Tizen is a Linux-based open-source operating system primarily used in smart TVs, wearables, and other embedded and IoT devices.
- 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: Palm OS Target entity description: Palm OS is a mobile operating system originally developed by Palm, Inc. for personal digital assistants and early smartphones, known for its touchscreen interface and stylus-based input.
-
A.
Symbian
Symbian is a discontinued mobile operating system that was widely used on early smartphones, particularly those produced by Nokia, before being overtaken by modern platforms like Android and iOS.
-
B.
BlackBerry OS
BlackBerry OS was a proprietary mobile operating system developed by BlackBerry Limited, best known for its secure messaging, email capabilities, and widespread use in early smartphones, especially in corporate and government environments.
-
C.
Windows Mobile
Windows Mobile is a discontinued Microsoft operating system platform designed for smartphones and mobile devices, offering a touch-based interface and integration with Windows and Office services.
-
D.
OS/2
OS/2 is a 32-bit multitasking operating system originally developed by IBM and Microsoft as a successor to MS-DOS, known for its stability and use in business environments in the late 1980s and 1990s.
-
E.
Tizen
Tizen is a Linux-based open-source operating system primarily used in smart TVs, wearables, and other embedded and IoT devices.
- F. None of above. chosen
Statements (71)
| Predicate | Object |
|---|---|
| instanceOf |
mobile operating system
ⓘ
proprietary operating system ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| defaultFileSystem | proprietary Palm database format ⓘ |
| developer |
ACCESS Co., Ltd.
ⓘ
Palm, Inc. ⓘ PalmSource ⓘ
linked to:
Palm, Inc.
|
| discontinuationApproxDate | 2009 ⓘ |
| discontinued | true ⓘ |
| firstVersion | Palm OS 1.0 ⓘ |
| influenced | early smartphone operating systems ⓘ |
| initialReleaseDate | 1996-03-10 ⓘ |
| inputMethod |
Graffiti handwriting recognition
ⓘ
stylus ⓘ touchscreen ⓘ |
| kernelType | monolithic kernel ⓘ |
| latestReleaseVersion | Palm OS Garnet 5.4.x ⓘ |
| licenseModel | proprietary license ⓘ |
| licensing | licensed to multiple hardware manufacturers ⓘ |
| marketFocus |
mobile productivity
ⓘ
personal information management ⓘ |
| multitaskingSupport | cooperative multitasking (limited) ⓘ |
| networkingSupport |
Bluetooth (later versions)
ⓘ
linked to:
Bluetooth
Wi-Fi (on some devices) ⓘ infrared (IrDA) ⓘ serial synchronization ⓘ |
| notableApplication |
Address Book
ⓘ
Calculator ⓘ Date Book ⓘ Mail ⓘ Memo Pad ⓘ
linked to:
Notepad
To Do List ⓘ |
| notableEra |
early 2000s
ⓘ
late 1990s ⓘ |
| notableFeature |
Graffiti handwriting recognition system
ⓘ
HotSync synchronization technology ⓘ low memory footprint ⓘ simple PIM applications ⓘ |
| notableLimitation |
limited memory management
ⓘ
limited multitasking ⓘ |
| operatingSystemFamily |
Palm OS family
ⓘ
linked to:
Palm OS
|
| platform | 32-bit ⓘ |
| primaryUserInterface | graphical user interface ⓘ |
| programmingLanguage | C ⓘ |
| successor |
ACCESS Linux Platform
ⓘ
webOS ⓘ |
| supportedCpuArchitecture |
ARM
ⓘ
DragonBall ⓘ Intel XScale ⓘ Motorola 68000 ⓘ
linked to:
Motorola 68000 family
TI OMAP ⓘ
linked to:
Texas Instruments
|
| supportsEmail | yes ⓘ |
| supportsExpansion |
Memory Stick (on some Sony devices)
ⓘ
linked to:
Memory Stick (on older models)
SD card (on some devices) ⓘ |
| supportsMultimedia |
audio playback (later versions)
ⓘ
video playback (later versions) ⓘ |
| supportsWebBrowsing | yes ⓘ |
| synchronizationSoftware |
HotSync Manager
ⓘ
Palm Desktop ⓘ
linked to:
Lotus Organizer
|
| targetDevice |
personal digital assistant
ⓘ
smartphone ⓘ |
| usedOnDevice |
Handspring Treo
ⓘ
Handspring Visor ⓘ Palm III series ⓘ Palm Treo smartphones ⓘ Palm Tungsten series ⓘ Palm V series ⓘ Palm m500 series ⓘ PalmPilot ⓘ Samsung Palm-based smartphones ⓘ Sony CLIÉ ⓘ |
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: Palm OS Description of subject: Palm OS is a mobile operating system originally developed by Palm, Inc. for personal digital assistants and early smartphones, known for its touchscreen interface and stylus-based input.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Palm OS
linked to: Palm OS
linked to: Palm OS
linked to: Palm OS
subject linked to:
Palm Tungsten series
linked to: Palm OS
subject linked to:
Palm Tungsten series
linked to: Palm OS
subject linked to:
Sony Clie PDAs
subject linked to:
Sony Clie PDAs