J
E868105
J is the SI unit symbol for the joule, the standard measure of energy, work, or heat.
All labels observed (1)
| Label | Occurrences |
|---|---|
| J canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10511441 — 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: J Context triple: [James Prescott Joule, unitSymbol, J]
-
A.
J
J is a New York City Subway service that runs through Brooklyn and Queens into Manhattan, serving neighborhoods in eastern Brooklyn and southern Queens.
-
B.
J
J is one of the passenger concourses at Miami International Airport, serving as a terminal area with gates, amenities, and airline operations for departing and arriving flights.
-
C.
J
J is the streetwise, impulsive teenage grandson in the TV series "Animal Kingdom," who becomes entangled in his criminal family's operations.
-
D.
J.
J. is the middle initial of John J. Pershing, the prominent American general who led the American Expeditionary Forces in World War I.
-
E.
JI
JI is the IATA airline designator assigned to Meraj Airlines, an Iranian passenger carrier.
- 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: J Target entity description: J is the SI unit symbol for the joule, the standard measure of energy, work, or heat.
-
A.
J
J is a New York City Subway service that runs through Brooklyn and Queens into Manhattan, serving neighborhoods in eastern Brooklyn and southern Queens.
-
B.
J
J is one of the passenger concourses at Miami International Airport, serving as a terminal area with gates, amenities, and airline operations for departing and arriving flights.
-
C.
J
J is the streetwise, impulsive teenage grandson in the TV series "Animal Kingdom," who becomes entangled in his criminal family's operations.
-
D.
J.
J. is the middle initial of John J. Pershing, the prominent American general who led the American Expeditionary Forces in World War I.
-
E.
JI
JI is the IATA airline designator assigned to Meraj Airlines, an Iranian passenger carrier.
- F. None of above. chosen
Statements (34)
| Predicate | Object |
|---|---|
| instanceOf | SI unit symbol ⓘ |
| belongsTo | coherent SI derived units ⓘ |
| caseSensitive | true ⓘ |
| correspondsTo | 1 joule ⓘ |
| dimension | energy ⓘ |
| hasQuantitySymbol |
E
ⓘ
W ⓘ |
| isAbbreviationOf | joule ⓘ |
| namedAfter | James Prescott Joule ⓘ |
| notationStandard | ISO 80000 ⓘ |
| notEqualTo | j (non-SI symbol) ⓘ |
| partOf | International System of Units ⓘ |
| relatedUnit |
coulomb-volt
ⓘ
newton-metre ⓘ watt-second ⓘ |
| represents | joule ⓘ |
| SIBaseExpression | kg·m^2·s^-2 ⓘ |
| status | standard unit symbol for energy ⓘ |
| symbolType | unit of energy ⓘ |
| system | SI ⓘ |
| usedFor |
energy
ⓘ
heat ⓘ work ⓘ |
| usedIn |
electromagnetism
ⓘ
engineering ⓘ mechanics ⓘ physics ⓘ thermodynamics ⓘ |
| usedWithPrefix |
GJ
ⓘ
MJ ⓘ kJ ⓘ mJ ⓘ nJ ⓘ µJ ⓘ |
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: J Description of subject: J is the SI unit symbol for the joule, the standard measure of energy, work, or heat.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.