Porbandar stone
E886350
Porbandar stone is a creamy-yellow limestone from the Porbandar region of Gujarat, India, traditionally used as a durable and decorative building material in notable colonial-era architecture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Porbandar stone canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10780399 — 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: Porbandar stone Context triple: [Rajabai Clock Tower, materialUsed, Porbandar stone]
-
A.
Mormugao
Mormugao is a coastal city and major port in the Indian state of Goa, known for its strategic harbor and maritime trade.
-
B.
Mandapam
Mandapam is a coastal town in Tamil Nadu, India, known as a gateway to Rameswaram and for its fishing and marine activities.
-
C.
Devgad
Devgad is a coastal town in Maharashtra, India, known for its historic sea fort and as a major center of Alphonso mango cultivation.
-
D.
Pachora
Pachora is a town in the Jalgaon district of Maharashtra, India, known as a local commercial and agricultural center in the region.
-
E.
Tiruvalangadu plates
The Tiruvalangadu plates are an 11th-century Chola copper-plate inscription set that records the achievements and conquests of the Chola emperor Rajendra I, including his overseas expedition to Southeast Asia.
- 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: Porbandar stone Target entity description: Porbandar stone is a creamy-yellow limestone from the Porbandar region of Gujarat, India, traditionally used as a durable and decorative building material in notable colonial-era architecture.
-
A.
Mormugao
Mormugao is a coastal city and major port in the Indian state of Goa, known for its strategic harbor and maritime trade.
-
B.
Mandapam
Mandapam is a coastal town in Tamil Nadu, India, known as a gateway to Rameswaram and for its fishing and marine activities.
-
C.
Devgad
Devgad is a coastal town in Maharashtra, India, known for its historic sea fort and as a major center of Alphonso mango cultivation.
-
D.
Pachora
Pachora is a town in the Jalgaon district of Maharashtra, India, known as a local commercial and agricultural center in the region.
-
E.
Tiruvalangadu plates
The Tiruvalangadu plates are an 11th-century Chola copper-plate inscription set that records the achievements and conquests of the Chola emperor Rajendra I, including his overseas expedition to Southeast Asia.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
building material
ⓘ
dimension stone ⓘ limestone ⓘ |
| appearance | uniform ⓘ |
| belongsToCategory |
Indian building stones
ⓘ
limestones of India ⓘ |
| color | creamy-yellow ⓘ |
| foundInCountry | India ⓘ |
| foundInRegion | Porbandar ⓘ |
| foundInState | Gujarat ⓘ |
| geologicalType | sedimentary rock ⓘ |
| hasMaterial | calcium carbonate ⓘ |
| notableUseRegion |
western India
ⓘ
linked to:
Western India
|
| property |
durable
ⓘ
weather-resistant ⓘ workable ⓘ |
| quarriedNear |
Porbandar city
ⓘ
linked to:
Porbandar
|
| texture | fine-grained ⓘ |
| usedFor |
architectural detailing
ⓘ
building construction ⓘ decorative cladding ⓘ |
| usedIn |
balustrades
ⓘ
columns ⓘ cornices ⓘ facades ⓘ interior flooring ⓘ wall cladding ⓘ |
| usedInArchitectureStyle | colonial architecture ⓘ |
| usedInPeriod | colonial era ⓘ |
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: Porbandar stone Description of subject: Porbandar stone is a creamy-yellow limestone from the Porbandar region of Gujarat, India, traditionally used as a durable and decorative building material in notable colonial-era architecture.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.