Anuradhapura Kingdom
E549070
The Anuradhapura Kingdom was an ancient Sinhalese monarchy in Sri Lanka renowned for its early Buddhist civilization, monumental stupas, and sophisticated irrigation systems.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Anuradhapura Kingdom canonical | 5 |
| Anuradhapura period | 4 |
| Rajarata | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5798677 — 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: Anuradhapura Kingdom Context triple: [Sinhalese, historicalKingdom, Anuradhapura Kingdom]
-
A.
Jaffna Kingdom
The Jaffna Kingdom was a historic Tamil monarchy that ruled the northern part of Sri Lanka, centered around the Jaffna Peninsula, from the medieval period until its conquest by the Portuguese in the early 17th century.
-
B.
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.
-
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 Ruhuna
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.
-
E.
Kingdom of Gampola
The Kingdom of Gampola was a medieval Sinhalese monarchy in central Sri Lanka that served as a major political and cultural center before power shifted to the coastal Kingdom of Kotte.
- 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: Anuradhapura Kingdom Target entity description: The Anuradhapura Kingdom was an ancient Sinhalese monarchy in Sri Lanka renowned for its early Buddhist civilization, monumental stupas, and sophisticated irrigation systems.
-
A.
Jaffna Kingdom
The Jaffna Kingdom was a historic Tamil monarchy that ruled the northern part of Sri Lanka, centered around the Jaffna Peninsula, from the medieval period until its conquest by the Portuguese in the early 17th century.
-
B.
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.
-
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 Ruhuna
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.
-
E.
Kingdom of Gampola
The Kingdom of Gampola was a medieval Sinhalese monarchy in central Sri Lanka that served as a major political and cultural center before power shifted to the coastal Kingdom of Kotte.
- F. None of above. chosen
Statements (54)
| Predicate | Object |
|---|---|
| instanceOf |
Sinhalese monarchy
ⓘ
ancient kingdom ⓘ historical state ⓘ |
| capital | Anuradhapura NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country | Sri Lanka ⓘ |
| culture | Sinhalese culture ⓘ |
| dissolved | 11th century CE ⓘ |
| endTime | 1017 CE ⓘ |
| ethnicGroup | Sinhalese NERFINISHED ⓘ |
| firstRuler | Pandukabhaya NERFINISHED ⓘ |
| followedBy | Polonnaruwa Kingdom NERFINISHED ⓘ |
| foundedBy | Pandukabhaya NERFINISHED ⓘ |
| governmentType | monarchy ⓘ |
| hasPart |
Abhayagiri Dagaba
NERFINISHED
ⓘ
Abhayagiri Vihara NERFINISHED ⓘ Anuradhapura city NERFINISHED ⓘ Jaya Ganga canal NERFINISHED ⓘ Jetavana monastery NERFINISHED ⓘ Jetavanaramaya stupa NERFINISHED ⓘ Kala Wewa reservoir NERFINISHED ⓘ Mahavihara monastery NERFINISHED ⓘ Nuwara Wewa reservoir NERFINISHED ⓘ Rajarata region NERFINISHED ⓘ Ruwanwelisaya stupa NERFINISHED ⓘ Sri Maha Bodhi NERFINISHED ⓘ Thuparamaya stupa NERFINISHED ⓘ Tissa Wewa reservoir NERFINISHED ⓘ |
| inception | 4th century BCE ⓘ |
| knownFor |
Bodhi tree worship
ⓘ
ancient reservoirs ⓘ early Buddhist civilization ⓘ monastic complexes ⓘ monumental stupas ⓘ sophisticated irrigation systems ⓘ |
| language | Sinhala NERFINISHED ⓘ |
| lastRuler | Mahinda V of Anuradhapura NERFINISHED ⓘ |
| notableRuler |
Devanampiya Tissa
NERFINISHED
ⓘ
Dhatusena NERFINISHED ⓘ Dutugemunu NERFINISHED ⓘ Mahasena NERFINISHED ⓘ Valagamba NERFINISHED ⓘ |
| partOf | history of Sri Lanka ⓘ |
| precededBy | Pre-Anuradhapura period ⓘ |
| religion |
Buddhism
ⓘ
Theravada ⓘ
surface form:
Theravada Buddhism
|
| significantEvent |
construction of Jetavanaramaya
ⓘ
construction of Ruwanwelisaya ⓘ development of large-scale tank irrigation ⓘ introduction of Buddhism to Sri Lanka ⓘ planting of Sri Maha Bodhi sapling ⓘ |
| startTime | circa 377 BCE ⓘ |
| stateReligion | Buddhism NERFINISHED ⓘ |
| UNESCOWorldHeritageSite | Sacred City of Anuradhapura 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: Anuradhapura Kingdom Description of subject: The Anuradhapura Kingdom was an ancient Sinhalese monarchy in Sri Lanka renowned for its early Buddhist civilization, monumental stupas, and sophisticated irrigation systems.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Anuradhapura period
this entity surface form:
Anuradhapura period
this entity surface form:
Anuradhapura period
this entity surface form:
Anuradhapura period
this entity surface form:
Rajarata