iPhone 4
E771053
The iPhone 4 is Apple's fourth-generation smartphone, notable for introducing the high-resolution Retina display, a new flat glass-and-steel design, and the front-facing camera for FaceTime video calls.
All labels observed (4)
| Label | Occurrences |
|---|---|
| iPhone 4 canonical | 4 |
| fourth-generation iPhone | 1 |
| iPhone 4 (CDMA) | 1 |
| iPhone 4 (GSM) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9003309 — 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: iPhone 4 Context triple: [Apple Worldwide Developers Conference 2010, announcedProduct, iPhone 4]
-
A.
iPhone 6
The iPhone 6 is a 2014 Apple smartphone that introduced a larger 4.7‑inch display, a thinner design, improved performance, and support for Apple Pay, marking a major redesign from its predecessors.
-
B.
iPhone 7
The iPhone 7 is a smartphone by Apple that introduced water resistance, a solid-state home button, improved cameras, and removed the traditional headphone jack.
-
C.
iPhone
The iPhone is Apple's flagship smartphone line that revolutionized mobile technology by combining a touchscreen interface, internet connectivity, and a robust app ecosystem into a single device.
-
D.
iPhone 5s
The iPhone 5s is a 2013 Apple smartphone notable for introducing Touch ID fingerprint authentication, a 64‑bit A7 processor, and advanced security features that influenced later iPhone designs.
-
E.
iOS 4.2
iOS 4.2 is a major update to Apple's mobile operating system that unified iOS across iPhone and iPad while adding features like wireless printing support and improved multitasking.
- 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: iPhone 4 Target entity description: The iPhone 4 is Apple's fourth-generation smartphone, notable for introducing the high-resolution Retina display, a new flat glass-and-steel design, and the front-facing camera for FaceTime video calls.
-
A.
iPhone 6
The iPhone 6 is a 2014 Apple smartphone that introduced a larger 4.7‑inch display, a thinner design, improved performance, and support for Apple Pay, marking a major redesign from its predecessors.
-
B.
iPhone 7
The iPhone 7 is a smartphone by Apple that introduced water resistance, a solid-state home button, improved cameras, and removed the traditional headphone jack.
-
C.
iPhone
The iPhone is Apple's flagship smartphone line that revolutionized mobile technology by combining a touchscreen interface, internet connectivity, and a robust app ecosystem into a single device.
-
D.
iPhone 5s
The iPhone 5s is a 2013 Apple smartphone notable for introducing Touch ID fingerprint authentication, a 64‑bit A7 processor, and advanced security features that influenced later iPhone designs.
-
E.
iOS 4.2
iOS 4.2 is a major update to Apple's mobile operating system that unified iOS across iPhone and iPad while adding features like wireless printing support and improved multitasking.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf | smartphone ⓘ |
| announcedAt |
WWDC 2010
ⓘ
linked to:
Apple Worldwide Developers Conference 2010
|
| announcedOn | 2010-06-07 ⓘ |
| batteryType | non-removable Li-Po battery ⓘ |
| bodyMaterial | glass and stainless steel ⓘ |
| colorOption |
black
ⓘ
white ⓘ |
| connectorType | 30-pin dock connector ⓘ |
| cpu | 1 GHz ARM Cortex-A8 (underclocked in practice) ⓘ |
| depth | 9.3 mm ⓘ |
| design | flat glass front and back ⓘ |
| displayResolution | 960×640 pixels ⓘ |
| displaySize | 3.5-inch ⓘ |
| displayType | IPS LCD ⓘ |
| flashType | LED flash ⓘ |
| frameMaterial | stainless steel ⓘ |
| frontCameraResolution | 0.3 megapixels ⓘ |
| frontCameraType | VGA front-facing camera ⓘ |
| generation |
fourth-generation iPhone
ⓘ
linked to:
iPhone 4
|
| height | 115.2 mm ⓘ |
| introducedFeature |
FaceTime video calling support
ⓘ
Retina display ⓘ front-facing camera ⓘ |
| manufacturer | Apple Inc. ⓘ |
| marketedFeature |
FaceTime
ⓘ
Retina display ⓘ |
| notableIssue | antenna attenuation when held in certain ways ("Antennagate") ⓘ |
| operatingSystem | iOS ⓘ |
| pixelDensity | 326 ppi ⓘ |
| predecessor | iPhone 3GS ⓘ |
| productLine | iPhone ⓘ |
| ram | 512 MB ⓘ |
| rearCameraResolution | 5 megapixels ⓘ |
| releasedOn | 2010-06-24 ⓘ |
| simType | micro-SIM ⓘ |
| storageOption |
16 GB
ⓘ
32 GB ⓘ 8 GB ⓘ |
| successor | iPhone 4S ⓘ |
| supports |
3-axis gyroscope
ⓘ
Bluetooth 2.1 + EDR ⓘ GPS ⓘ Wi‑Fi 802.11b/g/n ⓘ accelerometer ⓘ digital compass ⓘ |
| systemOnChip | Apple A4 ⓘ |
| videoRecording | 720p HD ⓘ |
| weight | 137 g ⓘ |
| width | 58.6 mm ⓘ |
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: iPhone 4 Description of subject: The iPhone 4 is Apple's fourth-generation smartphone, notable for introducing the high-resolution Retina display, a new flat glass-and-steel design, and the front-facing camera for FaceTime video calls.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: iPhone 4
linked to: iPhone 4
linked to: iPhone 4