Joule
E868103
Joule is the SI unit of energy, named after the English physicist James Prescott Joule for his work on the mechanical equivalent of heat.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T10511424 — 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: Joule Context triple: [James Prescott Joule, familyName, Joule]
-
A.
Watt
Watt is an experimental novel by Samuel Beckett that follows the absurd, often comic journey of its title character through a bizarre and logically distorted world.
-
B.
Rankine
Rankine is a surname most notably associated with Claudia Rankine, the acclaimed poet, playwright, and essayist known for her explorations of race and identity.
-
C.
kelvin
Kelvin is the SI base unit of thermodynamic temperature, used to measure absolute temperature from absolute zero upward.
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D.
Fermi (unit)
The fermi is a unit of length equal to one femtometer (10⁻¹⁵ meter), commonly used in nuclear and particle physics to express sizes of atomic nuclei and subatomic particles.
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E.
Rénergie
Rénergie is a premium anti-aging skincare line by Lancôme known for its lifting, firming, and wrinkle-reducing treatments.
- 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: Joule Target entity description: Joule is the SI unit of energy, named after the English physicist James Prescott Joule for his work on the mechanical equivalent of heat.
-
A.
Watt
Watt is an experimental novel by Samuel Beckett that follows the absurd, often comic journey of its title character through a bizarre and logically distorted world.
-
B.
Rankine
Rankine is a surname most notably associated with Claudia Rankine, the acclaimed poet, playwright, and essayist known for her explorations of race and identity.
-
C.
kelvin
Kelvin is the SI base unit of thermodynamic temperature, used to measure absolute temperature from absolute zero upward.
-
D.
Fermi (unit)
The fermi is a unit of length equal to one femtometer (10⁻¹⁵ meter), commonly used in nuclear and particle physics to express sizes of atomic nuclei and subatomic particles.
-
E.
Rénergie
Rénergie is a premium anti-aging skincare line by Lancôme known for its lifting, firming, and wrinkle-reducing treatments.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
SI derived unit
ⓘ
unit of energy ⓘ |
| appearsIn | SI Brochure ⓘ |
| coherentWithSI | true ⓘ |
| conversionToBTU | 1 J ≈ 9.4782×10^-4 BTU ⓘ |
| conversionToCalorie | 1 J ≈ 0.239 cal ⓘ |
| conversionToFootPound | 1 J ≈ 0.737562 ft·lbf ⓘ |
| conversionToKilowattHour | 1 J = 2.7777778×10^-7 kWh ⓘ |
| definedAs | the work done when a force of one newton displaces an object by one metre in the direction of the force ⓘ |
| dimension | M L^2 T^-2 ⓘ |
| equivalentTo |
0.239005736 calorie (thermochemical)
ⓘ
1×10^7 erg ⓘ 6.241509074e18 electronvolt (approximately) ⓘ coulomb volt ⓘ newton metre ⓘ pascal cubic metre ⓘ watt second ⓘ |
| hasMultiple |
gigajoule
ⓘ
kilojoule ⓘ megajoule ⓘ |
| hasSubmultiple |
microjoule
ⓘ
millijoule ⓘ nanojoule ⓘ |
| inSIBaseUnits | kilogram metre squared per second squared ⓘ |
| isStandardUnitFor |
energy in SI
ⓘ
heat in SI ⓘ work in SI ⓘ |
| namedAfter | James Prescott Joule ⓘ |
| namedBy | International System of Units ⓘ |
| partOf | International System of Units ⓘ |
| quantityMeasured |
energy
ⓘ
heat ⓘ work ⓘ |
| relatedToConcept | mechanical equivalent of heat ⓘ |
| relatedUnit |
calorie
ⓘ
electronvolt ⓘ newton ⓘ watt ⓘ |
| SIBaseUnitExpression | kg·m^2·s^-2 ⓘ |
| status | accepted SI derived unit ⓘ |
| symbol | J ⓘ |
| usedIn |
electromagnetism
ⓘ
engineering ⓘ mechanics ⓘ quantum physics ⓘ thermodynamics ⓘ |
| usedToMeasure |
chemical energy
ⓘ
electrical energy ⓘ kinetic energy ⓘ potential energy ⓘ radiant energy ⓘ thermal energy ⓘ |
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: Joule Description of subject: Joule is the SI unit of energy, named after the English physicist James Prescott Joule for his work on the mechanical equivalent of heat.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Joule
linked to: Joule