Yantra Raj
E304515
Yantra Raj is a monumental astronomical instrument at Jaipur’s Jantar Mantar observatory, historically used for precise celestial measurements and timekeeping.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Yantra Raj canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2838538 — 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: Yantra Raj Context triple: [Jantar Mantar, Jaipur, hasPart, Yantra Raj]
-
A.
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.
-
B.
Yantra
Yantra is a major river in northern Bulgaria that flows through cities like Veliko Tarnovo before joining the Danube.
-
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.
Niyati Chakra
Niyati Chakra is a specialized astronomical instrument at Jantar Mantar in New Delhi used for observing and calculating celestial positions.
-
E.
Kapalkundala
Kapalkundala is a classic 19th-century Bengali novel renowned for its romantic and spiritual themes, written by pioneering Indian author Bankim Chandra Chattopadhyay.
- 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: Yantra Raj Target entity description: Yantra Raj is a monumental astronomical instrument at Jaipur’s Jantar Mantar observatory, historically used for precise celestial measurements and timekeeping.
-
A.
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.
-
B.
Yantra
Yantra is a major river in northern Bulgaria that flows through cities like Veliko Tarnovo before joining the Danube.
-
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.
Niyati Chakra
Niyati Chakra is a specialized astronomical instrument at Jantar Mantar in New Delhi used for observing and calculating celestial positions.
-
E.
Kapalkundala
Kapalkundala is a classic 19th-century Bengali novel renowned for its romantic and spiritual themes, written by pioneering Indian author Bankim Chandra Chattopadhyay.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument
ⓘ
heritage structure ⓘ monumental sundial ⓘ |
| architecturalStyle | observational astronomy architecture ⓘ |
| associatedWith |
Maharaja Jai Singh II
ⓘ
surface form:
Maharaja Sawai Jai Singh II
|
| country | India ⓘ |
| culturalSignificance | historical scientific monument ⓘ |
| era | early 18th century ⓘ |
| function |
calibration of other instruments at Jantar Mantar
ⓘ
high-precision astronomical calculations ⓘ |
| heritageStatus | UNESCO World Heritage Site component ⓘ |
| locatedIn |
India
ⓘ
Jaipur ⓘ Jantar Mantar, Jaipur ⓘ Rajasthan ⓘ |
| material |
masonry
ⓘ
stone ⓘ |
| measurementType |
astronomical
ⓘ
temporal ⓘ |
| observatoryType | fixed, ground-based instrument ⓘ |
| partOf |
Jantar Mantar, Jaipur
ⓘ
surface form:
Jantar Mantar observatory, Jaipur
Jantar Mantar, Jaipur ⓘ
surface form:
UNESCO World Heritage Site "Jantar Mantar, Jaipur"
|
| touristAttraction | yes ⓘ |
| usedFor |
astronomical observations
ⓘ
celestial measurements ⓘ determining declination of celestial objects ⓘ determining hour angle ⓘ determining local time ⓘ measuring positions of celestial bodies ⓘ timekeeping ⓘ |
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: Yantra Raj Description of subject: Yantra Raj is a monumental astronomical instrument at Jaipur’s Jantar Mantar observatory, historically used for precise celestial measurements and timekeeping.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.