Polonnaruwa Kingdom
E277831
The Polonnaruwa Kingdom was a medieval Sinhalese kingdom in Sri Lanka known for its advanced irrigation systems, monumental Buddhist architecture, and role as a major political and cultural center from the 11th to 13th centuries.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Polonnaruwa Kingdom canonical | 4 |
| Kingdom of Polonnaruwa | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2518859 — 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: Polonnaruwa Kingdom Context triple: [Sinhalese people, associatedWith, Polonnaruwa Kingdom]
-
A.
Kingdom of Kotte
The Kingdom of Kotte was a powerful Sinhalese monarchy in southwestern Sri Lanka that flourished from the 15th to the 16th century and became a major center of politics, trade, and Buddhism before its decline and partition.
-
B.
Dominion of Ceylon
The Dominion of Ceylon was a British Commonwealth realm in South Asia that existed from 1948 to 1972, when it became the fully independent republic of Sri Lanka.
-
C.
Dimasa Kingdom
The Dimasa Kingdom was a historical polity in northeastern India ruled by the Dimasa people, known for its influence over parts of present-day Assam and surrounding regions.
-
D.
Gauda Kingdom
The Gauda Kingdom was an early medieval polity in the Bengal region of the Indian subcontinent that laid the groundwork for later regional powers such as the Pala Empire.
-
E.
Pagan Kingdom
The Pagan Kingdom was an early Burmese empire centered on the city of Bagan that unified much of present-day Myanmar and laid the foundations for Bamar culture, language, and Theravada Buddhism in the 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: Polonnaruwa Kingdom Target entity description: The Polonnaruwa Kingdom was a medieval Sinhalese kingdom in Sri Lanka known for its advanced irrigation systems, monumental Buddhist architecture, and role as a major political and cultural center from the 11th to 13th centuries.
-
A.
Kingdom of Kotte
The Kingdom of Kotte was a powerful Sinhalese monarchy in southwestern Sri Lanka that flourished from the 15th to the 16th century and became a major center of politics, trade, and Buddhism before its decline and partition.
-
B.
Dominion of Ceylon
The Dominion of Ceylon was a British Commonwealth realm in South Asia that existed from 1948 to 1972, when it became the fully independent republic of Sri Lanka.
-
C.
Dimasa Kingdom
The Dimasa Kingdom was a historical polity in northeastern India ruled by the Dimasa people, known for its influence over parts of present-day Assam and surrounding regions.
-
D.
Gauda Kingdom
The Gauda Kingdom was an early medieval polity in the Bengal region of the Indian subcontinent that laid the groundwork for later regional powers such as the Pala Empire.
-
E.
Pagan Kingdom
The Pagan Kingdom was an early Burmese empire centered on the city of Bagan that unified much of present-day Myanmar and laid the foundations for Bamar culture, language, and Theravada Buddhism in the region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Sinhalese kingdom
ⓘ
historical polity ⓘ medieval kingdom ⓘ |
| capital | Polonnaruwa ⓘ |
| conflictWith |
Chola dynasty
ⓘ
surface form:
Chola Empire
|
| country | Sri Lanka ⓘ |
| culturalInfluence |
Buddhist art
ⓘ
Sinhalese architecture ⓘ stone sculpture ⓘ |
| declineFactors |
foreign invasions
ⓘ
internal conflicts ⓘ |
| economicBase |
irrigated agriculture
ⓘ
rice cultivation ⓘ |
| endTime | 13th century ⓘ |
| era | Middle Ages ⓘ |
| flourishedDuring | 12th century ⓘ |
| heritageStatus | archaeological site ⓘ |
| knownFor |
advanced irrigation systems
ⓘ
cultural importance in Sri Lanka ⓘ hydraulic engineering ⓘ monumental Buddhist architecture ⓘ political importance in Sri Lanka ⓘ |
| language | Sinhala ⓘ |
| locatedIn |
South Asia
ⓘ
Sri Lanka ⓘ |
| majorReligionSite |
Gal Vihara
ⓘ
Lankatilaka Vihara ⓘ Rankoth Vehera ⓘ Vatadage at Polonnaruwa ⓘ
surface form:
Vatadage of Polonnaruwa
|
| majorStructure |
Council Chamber of Parakramabahu I
ⓘ
surface form:
Audience Hall of Parakramabahu I
Nissanka Latha Mandapaya ⓘ Parakrama Samudra (Parakrama Samudraya) reservoir ⓘ
surface form:
Parakrama Samudra
Council Chamber of Parakramabahu I ⓘ
surface form:
Royal Palace of Parakramabahu I
|
| modernDistrict | Polonnaruwa District ⓘ |
| notableRuler |
King Nissanka Malla
ⓘ
surface form:
Nissanka Malla
King Parakramabahu I ⓘ
surface form:
Parakramabahu I
Vijayabahu I ⓘ |
| partOf | history of Sri Lanka ⓘ |
| politicalSystem | monarchy ⓘ |
| predecessor | Anuradhapura Kingdom ⓘ |
| reachedPeakUnder |
King Parakramabahu I
ⓘ
surface form:
Parakramabahu I
|
| religion |
Hinduism
ⓘ
Theravada ⓘ
surface form:
Theravada Buddhism
|
| restoredBy | Vijayabahu I ⓘ |
| startTime | 11th century ⓘ |
| successor |
Kingdom of Dambadeniya
ⓘ
surface form:
Dambadeniya Kingdom
|
| UNESCOWorldHeritageSiteAtCapital | Ancient City of Polonnaruwa ⓘ |
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: Polonnaruwa Kingdom Description of subject: The Polonnaruwa Kingdom was a medieval Sinhalese kingdom in Sri Lanka known for its advanced irrigation systems, monumental Buddhist architecture, and role as a major political and cultural center from the 11th to 13th centuries.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Kingdom of Polonnaruwa
this entity surface form:
Kingdom of Polonnaruwa
this entity surface form:
Kingdom of Polonnaruwa