Jai Prakash Yantra
E304510
Jai Prakash Yantra is an astronomical instrument at Jaipur’s Jantar Mantar observatory used to measure the positions of celestial bodies with high precision.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jai Prakash Yantra canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2838527 — 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: Jai Prakash Yantra Context triple: [Jantar Mantar, Jaipur, hasPart, Jai Prakash Yantra]
-
A.
Shanku Yantra
Shanku Yantra is an ancient gnomon-based sundial instrument at Jantar Mantar in New Delhi used for measuring time and the Sun’s position.
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B.
Rama Yantra
Rama Yantra is a large cylindrical astronomical instrument at Jantar Mantar in New Delhi used for measuring the altitude and azimuth of celestial bodies.
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C.
Misra Yantra
Misra Yantra is an astronomical instrument at Jantar Mantar in New Delhi, historically used to measure time and celestial positions with high precision.
-
D.
Yantra
Yantra is a major river in northern Bulgaria that flows through cities like Veliko Tarnovo before joining the Danube.
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E.
Pragyan
Pragyan is the six-wheeled lunar rover of India’s Chandrayaan-3 mission, designed to explore and analyze the Moon’s south polar region.
- 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: Jai Prakash Yantra Target entity description: Jai Prakash Yantra is an astronomical instrument at Jaipur’s Jantar Mantar observatory used to measure the positions of celestial bodies with high precision.
-
A.
Shanku Yantra
Shanku Yantra is an ancient gnomon-based sundial instrument at Jantar Mantar in New Delhi used for measuring time and the Sun’s position.
-
B.
Rama Yantra
Rama Yantra is a large cylindrical astronomical instrument at Jantar Mantar in New Delhi used for measuring the altitude and azimuth of celestial bodies.
-
C.
Misra Yantra
Misra Yantra is an astronomical instrument at Jantar Mantar in New Delhi, historically used to measure time and celestial positions with high precision.
-
D.
Yantra
Yantra is a major river in northern Bulgaria that flows through cities like Veliko Tarnovo before joining the Danube.
-
E.
Pragyan
Pragyan is the six-wheeled lunar rover of India’s Chandrayaan-3 mission, designed to explore and analyze the Moon’s south polar region.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument
ⓘ
observation instrument ⓘ |
| associatedWith |
Maharaja Jai Singh II
ⓘ
surface form:
Maharaja Sawai Jai Singh II
|
| country | India ⓘ |
| designedFor | naked-eye astronomical observations ⓘ |
| era | early 18th century ⓘ |
| hasFunction |
aiding in positional astronomy
ⓘ
determining coordinates of celestial objects ⓘ |
| heritageStatus | part of UNESCO World Heritage Site Jantar Mantar, Jaipur ⓘ |
| locatedIn |
India
ⓘ
Jaipur ⓘ Jantar Mantar, Jaipur ⓘ Rajasthan ⓘ |
| material |
masonry
ⓘ
stone ⓘ |
| measurementType |
celestial coordinates
ⓘ
positions of planets ⓘ positions of stars ⓘ |
| partOf |
Jantar Mantar observatory complex
ⓘ
historical masonry observatory instruments ⓘ set of large-scale fixed astronomical instruments at Jantar Mantar ⓘ |
| significance | enables precise determination of celestial positions without telescopes ⓘ |
| usedFor |
astronomical observations
ⓘ
high-precision celestial measurements ⓘ measuring positions of celestial bodies ⓘ |
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: Jai Prakash Yantra Description of subject: Jai Prakash Yantra is an astronomical instrument at Jaipur’s Jantar Mantar observatory used to measure the positions of celestial bodies with high precision.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.