Physical Research Laboratory observatory
E639043
The Physical Research Laboratory observatory is an astronomical research facility in India operated by the Physical Research Laboratory, known for its high-altitude location at Guru Shikhar in the Aravalli Range.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Physical Research Laboratory observatory canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7045781 — 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: Physical Research Laboratory observatory Context triple: [Guru Shikhar, hasObservatory, Physical Research Laboratory observatory]
-
A.
Allahabad Observatory
Allahabad Observatory is a historic astronomical observatory in India that serves as the reference location for Indian Standard Time.
-
B.
Madras Observatory
Madras Observatory was a historic astronomical observatory in colonial India that played a key role in timekeeping, celestial observations, and the development of regional standard time.
-
C.
Jantar Mantar, New Delhi
Jantar Mantar, New Delhi is an 18th-century astronomical observatory built by Maharaja Jai Singh II, featuring large masonry instruments used for precise naked-eye observations of celestial bodies.
-
D.
Astronomical Observatories of Jai Singh
The Astronomical Observatories of Jai Singh are a group of early 18th-century masonry observatories in India, built by Maharaja Jai Singh II for precise naked-eye astronomical measurements and now recognized as UNESCO World Heritage sites.
-
E.
Vikram Sarabhai Library
Vikram Sarabhai Library is the central academic and research library of the Indian Institute of Management Ahmedabad, renowned for its extensive management and business resources.
- 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: Physical Research Laboratory observatory Target entity description: The Physical Research Laboratory observatory is an astronomical research facility in India operated by the Physical Research Laboratory, known for its high-altitude location at Guru Shikhar in the Aravalli Range.
-
A.
Allahabad Observatory
Allahabad Observatory is a historic astronomical observatory in India that serves as the reference location for Indian Standard Time.
-
B.
Madras Observatory
Madras Observatory was a historic astronomical observatory in colonial India that played a key role in timekeeping, celestial observations, and the development of regional standard time.
-
C.
Jantar Mantar, New Delhi
Jantar Mantar, New Delhi is an 18th-century astronomical observatory built by Maharaja Jai Singh II, featuring large masonry instruments used for precise naked-eye observations of celestial bodies.
-
D.
Astronomical Observatories of Jai Singh
The Astronomical Observatories of Jai Singh are a group of early 18th-century masonry observatories in India, built by Maharaja Jai Singh II for precise naked-eye astronomical measurements and now recognized as UNESCO World Heritage sites.
-
E.
Vikram Sarabhai Library
Vikram Sarabhai Library is the central academic and research library of the Indian Institute of Management Ahmedabad, renowned for its extensive management and business resources.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical observatory
ⓘ
research facility ⓘ |
| affiliation | Department of Space, Government of India NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | India ⓘ |
| elevation | high-altitude site ⓘ |
| hasResearchField |
astrophysics
ⓘ
galactic astronomy ⓘ planetary science ⓘ stellar astronomy ⓘ |
| hasTelescopeType | optical telescope ⓘ |
| languageOfWorkOrName |
English
ⓘ
Hindi ⓘ |
| locatedInDistrict | Sirohi district NERFINISHED ⓘ |
| locatedInMountainRange | Aravalli Range NERFINISHED ⓘ |
| locatedInState | Rajasthan NERFINISHED ⓘ |
| locatedNear | Mount Abu NERFINISHED ⓘ |
| locatedOn | Guru Shikhar peak NERFINISHED ⓘ |
| location | Guru Shikhar NERFINISHED ⓘ |
| notableFor |
clear night-sky conditions
ⓘ
high-altitude location ⓘ |
| operator | Physical Research Laboratory NERFINISHED ⓘ |
| ownedBy | Physical Research Laboratory NERFINISHED ⓘ |
| partOf | Physical Research Laboratory NERFINISHED ⓘ |
| usedFor |
astronomical research
ⓘ
observational astronomy ⓘ |
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: Physical Research Laboratory observatory Description of subject: The Physical Research Laboratory observatory is an astronomical research facility in India operated by the Physical Research Laboratory, known for its high-altitude location at Guru Shikhar in the Aravalli Range.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.