Kingdom of Ruhuna
E285617
The Kingdom of Ruhuna was an ancient Sinhalese polity in southern Sri Lanka that served as a major regional center of power, culture, and resistance throughout much of the island’s early history.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kingdom of Ruhuna canonical | 1 |
| Ruhuna Kingdom | 1 |
| Ruhuna principality | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2518863 — 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: Kingdom of Ruhuna Context triple: [Sinhalese people, associatedWith, Kingdom of Ruhuna]
-
A.
Polonnaruwa Kingdom
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.
-
B.
Kingdom of Sitawaka
The Kingdom of Sitawaka was a powerful 16th-century Sinhalese monarchy in Sri Lanka known for its resistance against Portuguese colonial expansion.
-
C.
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.
-
D.
Kingdom of Dambadeniya
The Kingdom of Dambadeniya was a medieval Sinhalese kingdom in Sri Lanka that served as a major political and cultural center during the 13th century.
-
E.
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.
- 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: Kingdom of Ruhuna Target entity description: The Kingdom of Ruhuna was an ancient Sinhalese polity in southern Sri Lanka that served as a major regional center of power, culture, and resistance throughout much of the island’s early history.
-
A.
Polonnaruwa Kingdom
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.
-
B.
Kingdom of Sitawaka
The Kingdom of Sitawaka was a powerful 16th-century Sinhalese monarchy in Sri Lanka known for its resistance against Portuguese colonial expansion.
-
C.
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.
-
D.
Kingdom of Dambadeniya
The Kingdom of Dambadeniya was a medieval Sinhalese kingdom in Sri Lanka that served as a major political and cultural center during the 13th century.
-
E.
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.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Sinhalese polity
ⓘ
historical kingdom ⓘ sub-kingdom ⓘ |
| archaeologicalSite |
Magama region
ⓘ
Tissamaharama ⓘ |
| associatedWith |
Rohana region in Pali chronicles
ⓘ
Kingdom of Ruhuna self-linksurface differs ⓘ
surface form:
Ruhuna principality
|
| capital |
Magama
ⓘ
Tissamaharama ⓘ |
| country | Sri Lanka ⓘ |
| culture | Sinhalese Buddhist culture ⓘ |
| economicBase |
agriculture
ⓘ
irrigated rice cultivation ⓘ maritime trade ⓘ |
| emergedAs |
power base against Anuradhapura
ⓘ
power base against Polonnaruwa ⓘ |
| ethnicGroup | Sinhalese ⓘ |
| flourishedDuring |
Anuradhapura Kingdom
ⓘ
surface form:
Anuradhapura period
Polonnaruwa period ⓘ |
| geographicalFeature |
included parts of southern wet zone
ⓘ
included southern dry zone ⓘ |
| hadInfrastructure |
Buddhist monasteries
ⓘ
irrigation tanks ⓘ reservoirs ⓘ |
| influenced | political unification of Sri Lanka ⓘ |
| language | Sinhala ⓘ |
| locatedIn | southern Sri Lanka ⓘ |
| locatedOn | island of Sri Lanka ⓘ |
| mentionedIn |
Culavamsa
ⓘ
Mahavamsa ⓘ |
| notableRuler |
King Dutthagamani
ⓘ
King Parakramabahu I ⓘ Vijayabahu I ⓘ
surface form:
King Vijayabahu I
Vijayabahu III ⓘ
surface form:
King Vijayabahu III
Prince Dutugemunu ⓘ Prince Mahanaga ⓘ |
| partOf | ancient Sri Lanka ⓘ |
| politicalRole |
counterweight to northern capitals
ⓘ
refuge for Sinhalese royalty ⓘ |
| politicalStructure | monarchy ⓘ |
| region | Rohana ⓘ |
| religion |
Theravada
ⓘ
surface form:
Theravada Buddhism
|
| servedAs |
center of culture
ⓘ
center of resistance ⓘ regional center of power ⓘ |
| successorStateOf | earlier Ruhuna principality ⓘ |
| timePeriod | ancient period of Sri Lankan history ⓘ |
| usedAs |
base for resistance to South Indian dynasties
ⓘ
base for resistance to foreign invasions ⓘ |
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: Kingdom of Ruhuna Description of subject: The Kingdom of Ruhuna was an ancient Sinhalese polity in southern Sri Lanka that served as a major regional center of power, culture, and resistance throughout much of the island’s early history.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ruhuna principality
this entity surface form:
Ruhuna Kingdom