Ceylon rupee
E37752
The Ceylon rupee was the former official currency of British Ceylon (now Sri Lanka) used during the colonial and early post-colonial period before being replaced by the Sri Lankan rupee.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ceylon rupee canonical | 8 |
| Sri Lankan rupee | 6 |
| ලංකා රුපියල් | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T291403 — 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: Ceylon rupee Context triple: [Dominion of Ceylon, currency, Ceylon rupee]
-
A.
Singapore dollar
The Singapore dollar is the official currency of Singapore, known for its stability, strong management by the Monetary Authority of Singapore, and significant role as a major trading and reserve currency in Asia.
-
B.
Malaysian ringgit
The Malaysian ringgit is the official currency of Malaysia, known for having been heavily affected by and subsequently managed through capital controls during the Asian financial crisis of 1997–1998.
-
C.
Solomon Islands dollar
The Solomon Islands dollar is the official currency of the Solomon Islands, used throughout the country for everyday transactions and issued by the Central Bank of Solomon Islands.
-
D.
Thai baht
The Thai baht is the official currency of Thailand, notable for its central role in triggering the 1997 Asian financial crisis after a sharp devaluation.
-
E.
Rhodesian dollar
The Rhodesian dollar was the former national currency of Rhodesia (now Zimbabwe), used during the country’s period of white-minority rule before being succeeded by the Zimbabwean dollar.
- 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: Ceylon rupee Target entity description: The Ceylon rupee was the former official currency of British Ceylon (now Sri Lanka) used during the colonial and early post-colonial period before being replaced by the Sri Lankan rupee.
-
A.
Singapore dollar
The Singapore dollar is the official currency of Singapore, known for its stability, strong management by the Monetary Authority of Singapore, and significant role as a major trading and reserve currency in Asia.
-
B.
Malaysian ringgit
The Malaysian ringgit is the official currency of Malaysia, known for having been heavily affected by and subsequently managed through capital controls during the Asian financial crisis of 1997–1998.
-
C.
Solomon Islands dollar
The Solomon Islands dollar is the official currency of the Solomon Islands, used throughout the country for everyday transactions and issued by the Central Bank of Solomon Islands.
-
D.
Thai baht
The Thai baht is the official currency of Thailand, notable for its central role in triggering the 1997 Asian financial crisis after a sharp devaluation.
-
E.
Rhodesian dollar
The Rhodesian dollar was the former national currency of Rhodesia (now Zimbabwe), used during the country’s period of white-minority rule before being succeeded by the Zimbabwean dollar.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
former currency
ⓘ
historical currency ⓘ |
| category |
Currencies of Sri Lanka
ⓘ
Obsolete currencies ⓘ Rupee ⓘ |
| continent | Asia ⓘ |
| country |
British Ceylon
ⓘ
Ceylon ⓘ
linked to:
Sri Lanka
|
| denominationType |
banknote
ⓘ
coin ⓘ |
| formerOfficialCurrencyOf |
British Ceylon
ⓘ
Ceylon ⓘ
linked to:
Sri Lanka
|
| historicalRelation | predecessor of Sri Lankan rupee ⓘ |
| ISO4217Code | none ⓘ |
| languageOfInscription |
English
ⓘ
Sinhala ⓘ Tamil ⓘ |
| monetaryAuthority |
Board of Commissioners of Currency, Ceylon
ⓘ
Government of Ceylon ⓘ |
| monetarySystem | decimal ⓘ |
| nameInEnglish | Ceylon rupee ⓘ |
| nameInSinhala |
ලංකා රුපියල්
ⓘ
linked to:
Ceylon rupee
|
| nameInTamil | இலங்கை ரூபாய் ⓘ |
| peggedTo |
Indian rupee
ⓘ
pound sterling ⓘ
linked to:
Pound sterling
|
| region | South Asia ⓘ |
| replacedBy |
Sri Lankan rupee
ⓘ
linked to:
Ceylon rupee
|
| replacedCurrency | Ceylon rixdollar ⓘ |
| status | obsolete ⓘ |
| subunit | cent ⓘ |
| subunitToUnit | 100 cents = 1 rupee ⓘ |
| successorCurrency |
Sri Lankan rupee
ⓘ
linked to:
Ceylon rupee
|
| symbol |
Re
ⓘ
Rs ⓘ |
| usedDuring |
British colonial period in Ceylon
ⓘ
early post-colonial period in Ceylon ⓘ |
| usedFor |
domestic transactions in Ceylon
ⓘ
international trade settlements involving Ceylon ⓘ |
| usedIn |
British Ceylon
ⓘ
Ceylon ⓘ
linked to:
Sri Lanka
Sri Lanka ⓘ |
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: Ceylon rupee Description of subject: The Ceylon rupee was the former official currency of British Ceylon (now Sri Lanka) used during the colonial and early post-colonial period before being replaced by the Sri Lankan rupee.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ceylon rupee
linked to: Ceylon rupee
linked to: Ceylon rupee
linked to: Ceylon rupee
linked to: Ceylon rupee
linked to: Ceylon rupee