Ancient City of Polonnaruwa
E135451
The Ancient City of Polonnaruwa is a well-preserved medieval capital of Sri Lanka renowned for its monumental ruins, sophisticated urban planning, and impressive Buddhist art and architecture.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ancient City of Polonnaruwa canonical | 3 |
| Quadrangle (Dalada Maluwa) | 1 |
| Royal Palace of Parakramabahu I | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1132715 — 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: Ancient City of Polonnaruwa Context triple: [Sri Lanka, hasWorldHeritageSite, Ancient City of Polonnaruwa]
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A.
Ancient City of Sigiriya
The Ancient City of Sigiriya is a renowned archaeological site in central Sri Lanka, famous for its dramatic rock fortress, elaborate water gardens, and well-preserved frescoes dating back to the 5th century.
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B.
Jaffna Fort
Jaffna Fort is a historic coastal fortress in northern Sri Lanka, originally built by the Portuguese and later expanded by the Dutch, known for its colonial-era architecture and strategic military significance.
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C.
Colombo Fort
Colombo Fort is the historic commercial and administrative district of Colombo, Sri Lanka, known for its colonial-era architecture and role as the city’s financial hub.
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D.
Kandy
Kandy is a historic city in central Sri Lanka renowned for its cultural heritage, including the Temple of the Tooth and its role as a former royal stronghold.
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E.
Jaffna
Jaffna is a historic city in northern Sri Lanka, known as a cultural and political center of Sri Lankan Tamils and for its strategic coastal location.
- 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: Ancient City of Polonnaruwa Target entity description: The Ancient City of Polonnaruwa is a well-preserved medieval capital of Sri Lanka renowned for its monumental ruins, sophisticated urban planning, and impressive Buddhist art and architecture.
-
A.
Ancient City of Sigiriya
The Ancient City of Sigiriya is a renowned archaeological site in central Sri Lanka, famous for its dramatic rock fortress, elaborate water gardens, and well-preserved frescoes dating back to the 5th century.
-
B.
Jaffna Fort
Jaffna Fort is a historic coastal fortress in northern Sri Lanka, originally built by the Portuguese and later expanded by the Dutch, known for its colonial-era architecture and strategic military significance.
-
C.
Colombo Fort
Colombo Fort is the historic commercial and administrative district of Colombo, Sri Lanka, known for its colonial-era architecture and role as the city’s financial hub.
-
D.
Kandy
Kandy is a historic city in central Sri Lanka renowned for its cultural heritage, including the Temple of the Tooth and its role as a former royal stronghold.
-
E.
Jaffna
Jaffna is a historic city in northern Sri Lanka, known as a cultural and political center of Sri Lankan Tamils and for its strategic coastal location.
- F. None of above. chosen
Statements (50)
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: Ancient City of Polonnaruwa Description of subject: The Ancient City of Polonnaruwa is a well-preserved medieval capital of Sri Lanka renowned for its monumental ruins, sophisticated urban planning, and impressive Buddhist art and architecture.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Royal Palace of Parakramabahu I
this entity surface form:
Quadrangle (Dalada Maluwa)