TAI
E116183
TAI is the high-precision time standard used worldwide as the basis for civil timekeeping and scientific measurements.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TAI canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T982964 — 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: TAI Context triple: [International Atomic Time, abbreviation, TAI]
-
A.
TIJ
TIJ is the IATA airport code for Tijuana International Airport in Tijuana, Mexico.
-
B.
Tipai
Tipai is a Yuman language variety traditionally spoken by the Tipai people of northern Baja California and southern California, closely related to other Kumeyaay dialects.
-
C.
TI
TI is a technology company best known for designing and manufacturing calculators, semiconductors, and various electronic components.
-
D.
Taif
Taif is a city in western Saudi Arabia known for its cool climate, rose cultivation, and historical significance as a summer resort and cultural center.
-
E.
Takanot
Takanot are rabbinic enactments or decrees established to address communal needs and clarify or safeguard Jewish law within Rabbinic Judaism.
- 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: TAI Target entity description: TAI is the high-precision time standard used worldwide as the basis for civil timekeeping and scientific measurements.
-
A.
TIJ
TIJ is the IATA airport code for Tijuana International Airport in Tijuana, Mexico.
-
B.
Tipai
Tipai is a Yuman language variety traditionally spoken by the Tipai people of northern Baja California and southern California, closely related to other Kumeyaay dialects.
-
C.
TI
TI is a technology company best known for designing and manufacturing calculators, semiconductors, and various electronic components.
-
D.
Taif
Taif is a city in western Saudi Arabia known for its cool climate, rose cultivation, and historical significance as a summer resort and cultural center.
-
E.
Takanot
Takanot are rabbinic enactments or decrees established to address communal needs and clarify or safeguard Jewish law within Rabbinic Judaism.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
atomic time scale
ⓘ
time standard ⓘ |
| abbreviationFor |
Temps Atomique International
ⓘ
linked to:
International Atomic Time
|
| accuracy | high accuracy ⓘ |
| applicationDomain |
astronomy
ⓘ
fundamental physics experiments ⓘ metrology ⓘ satellite navigation ⓘ telecommunications ⓘ |
| basedOn |
SI second
ⓘ
atomic clocks ⓘ |
| constructedFrom |
ensemble of atomic clocks worldwide
ⓘ
primary frequency standards ⓘ secondary frequency standards ⓘ |
| coordinatedBy |
BIPM Time Department
ⓘ
linked to:
International Bureau of Weights and Measures
|
| coordinateFrame | geocentric ⓘ |
| definedBy | BIPM Circular T ⓘ |
| doesNotInclude | leap seconds ⓘ |
| epoch | 1958-01-01T00:00:00 ⓘ |
| epochTimeScale | TAI ⓘ |
| fullName | International Atomic Time ⓘ |
| governingBody |
CIPM
ⓘ
International Committee for Weights and Measures ⓘ |
| languageOfOrigin | French ⓘ |
| maintainedBy |
BIPM
ⓘ
linked to:
International Bureau of Weights and Measures
Bureau International des Poids et Mesures ⓘ
linked to:
International Bureau of Weights and Measures
|
| referenceSystem | terrestrial timekeeping ⓘ |
| relatedStandard |
GPS time
ⓘ
TAI(k) laboratory realizations ⓘ TT ⓘ UTC ⓘ
linked to:
Coordinated Universal Time
|
| relationToEarthRotation | independent of irregularities in Earth rotation ⓘ |
| relationToUT1 | not adjusted to match Earth rotation ⓘ |
| relationToUTC |
UTC differs from TAI by an integer number of seconds
ⓘ
UTC is derived from TAI by inserting leap seconds ⓘ |
| scope | global ⓘ |
| stability | high stability ⓘ |
| standardizedBy |
International System of Units
ⓘ
SI ⓘ |
| startYear | 1958 ⓘ |
| timeScaleClass | atomic time ⓘ |
| timeScaleType |
continuous
ⓘ
uniform ⓘ |
| timeUnit | SI second at sea level on the geoid ⓘ |
| usedFor |
basis for civil timekeeping
ⓘ
reference for GPS time ⓘ reference for UTC ⓘ reference for other atomic time scales ⓘ scientific measurements ⓘ |
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: TAI Description of subject: TAI is the high-precision time standard used worldwide as the basis for civil timekeeping and scientific measurements.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.