Ruhuna region
E1028478
The Ruhuna region is a historic area in southern Sri Lanka, known as an ancient Sinhalese kingdom and cultural heartland centered around cities like Tissamaharama.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ruhuna region canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12982190 — 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: Ruhuna region Context triple: [Tissamaharama, partOf, Ruhuna region]
-
A.
Kandy District
Kandy District is an administrative district in Sri Lanka’s Central Province, centered on the historic city of Kandy and known for its cultural heritage and hilly terrain.
-
B.
Polonnaruwa District
Polonnaruwa District is a region in Sri Lanka known for its ancient capital ruins and as part of the traditional homeland of the indigenous Vedda people.
-
C.
Kegalle District
Kegalle District is an administrative district in central Sri Lanka known for its rubber plantations, scenic hills, and proximity to the Pinnawala Elephant Orphanage.
-
D.
Monaragala District
Monaragala District is a largely rural administrative district in southeastern Sri Lanka known for its agriculture, forests, and archaeological sites.
-
E.
Kalutara District
Kalutara District is an administrative district in southwestern Sri Lanka known for its coastal towns, coconut plantations, and the historic city of Kalutara.
- 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: Ruhuna region Target entity description: The Ruhuna region is a historic area in southern Sri Lanka, known as an ancient Sinhalese kingdom and cultural heartland centered around cities like Tissamaharama.
-
A.
Kandy District
Kandy District is an administrative district in Sri Lanka’s Central Province, centered on the historic city of Kandy and known for its cultural heritage and hilly terrain.
-
B.
Polonnaruwa District
Polonnaruwa District is a region in Sri Lanka known for its ancient capital ruins and as part of the traditional homeland of the indigenous Vedda people.
-
C.
Kegalle District
Kegalle District is an administrative district in central Sri Lanka known for its rubber plantations, scenic hills, and proximity to the Pinnawala Elephant Orphanage.
-
D.
Monaragala District
Monaragala District is a largely rural administrative district in southeastern Sri Lanka known for its agriculture, forests, and archaeological sites.
-
E.
Kalutara District
Kalutara District is an administrative district in southwestern Sri Lanka known for its coastal towns, coconut plantations, and the historic city of Kalutara.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
former kingdom
ⓘ
historical region ⓘ |
| centeredAround | Tissamaharama NERFINISHED ⓘ |
| climate | tropical ⓘ |
| contains |
Bundala National Park
NERFINISHED
ⓘ
Kataragama sacred city NERFINISHED ⓘ Tissamaharama Raja Maha Vihara NERFINISHED ⓘ Yala National Park NERFINISHED ⓘ ancient irrigation tanks ⓘ ancient stupas of Tissamaharama ⓘ paddy cultivation areas ⓘ |
| country | Sri Lanka ⓘ |
| ethnicMajority | Sinhalese NERFINISHED ⓘ |
| hasCity |
Hambantota
NERFINISHED
ⓘ
Kataragama NERFINISHED ⓘ Matara NERFINISHED ⓘ Tangalle NERFINISHED ⓘ Tissamaharama NERFINISHED ⓘ |
| hasCoastlineOn | Indian Ocean NERFINISHED ⓘ |
| hasEconomicActivity |
agriculture
ⓘ
fishing ⓘ tourism ⓘ |
| hasRiver |
Kirindi Oya
NERFINISHED
ⓘ
Menik Ganga NERFINISHED ⓘ Walawe River NERFINISHED ⓘ |
| hasSacredSite |
Kataragama Devalaya
NERFINISHED
ⓘ
Kirivehera NERFINISHED ⓘ Tissamaharama Vihara NERFINISHED ⓘ |
| historicalCapital | Tissamaharama NERFINISHED ⓘ |
| historicalName | Rohana NERFINISHED ⓘ |
| historicalPopulation | Sinhalese NERFINISHED ⓘ |
| knownFor |
Sinhalese Buddhist culture
ⓘ
ancient hydraulic civilization ⓘ resistance against foreign invasions ⓘ rice cultivation ⓘ wildlife and national parks ⓘ |
| languageMajority | Sinhala NERFINISHED ⓘ |
| locatedIn | southern Sri Lanka ⓘ |
| locatedOn | island of Sri Lanka ⓘ |
| overlapsWith |
Sabaragamuwa Province of Sri Lanka
NERFINISHED
ⓘ
Southern Province of Sri Lanka NERFINISHED ⓘ Uva Province of Sri Lanka NERFINISHED ⓘ |
| partOf |
Sinhalese cultural sphere
NERFINISHED
ⓘ
Sri Lanka NERFINISHED ⓘ |
| religionMajority | Buddhism NERFINISHED ⓘ |
| servedAs | power base for Sinhalese rulers ⓘ |
| subregionOf | Southern Sri Lanka NERFINISHED ⓘ |
| wasKingdomDuring |
Anuradhapura period
NERFINISHED
ⓘ
Polonnaruwa period NERFINISHED ⓘ |
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: Ruhuna region Description of subject: The Ruhuna region is a historic area in southern Sri Lanka, known as an ancient Sinhalese kingdom and cultural heartland centered around cities like Tissamaharama.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.