K. B. Ratnayake
E786791
K. B. Ratnayake was a Sri Lankan politician who served as Speaker of the Parliament and held several key ministerial and party leadership positions in the Sri Lanka Freedom Party.
All labels observed (1)
| Label | Occurrences |
|---|---|
| K. B. Ratnayake canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9223074 — 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: K. B. Ratnayake Context triple: [Anura Bandaranaike, precededInOfficeBy, K. B. Ratnayake]
-
A.
D. S. Gunasekera
D. S. Gunasekera was a Sri Lankan political figure credited with founding the Sri Lanka Freedom Party, one of the country’s major political parties.
-
B.
W. Dahanayake
W. Dahanayake was a Sri Lankan politician who briefly served as Prime Minister of Ceylon in the late 1950s.
-
C.
A. T. Ariyaratne
A. T. Ariyaratne is a Sri Lankan Buddhist leader and social reformer best known as the founder of the Sarvodaya Shramadana Movement, which applies Buddhist principles to grassroots community development and peacebuilding.
-
D.
D. M. Jayaratne
D. M. Jayaratne was a Sri Lankan politician who served as Prime Minister and held several key government positions during his long career.
-
E.
Ranjan Madugalle
Ranjan Madugalle is a former Sri Lankan cricketer who became a prominent ICC match referee, overseeing numerous high-profile international matches and tournaments.
- 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: K. B. Ratnayake Target entity description: K. B. Ratnayake was a Sri Lankan politician who served as Speaker of the Parliament and held several key ministerial and party leadership positions in the Sri Lanka Freedom Party.
-
A.
D. S. Gunasekera
D. S. Gunasekera was a Sri Lankan political figure credited with founding the Sri Lanka Freedom Party, one of the country’s major political parties.
-
B.
W. Dahanayake
W. Dahanayake was a Sri Lankan politician who briefly served as Prime Minister of Ceylon in the late 1950s.
-
C.
A. T. Ariyaratne
A. T. Ariyaratne is a Sri Lankan Buddhist leader and social reformer best known as the founder of the Sarvodaya Shramadana Movement, which applies Buddhist principles to grassroots community development and peacebuilding.
-
D.
D. M. Jayaratne
D. M. Jayaratne was a Sri Lankan politician who served as Prime Minister and held several key government positions during his long career.
-
E.
Ranjan Madugalle
Ranjan Madugalle is a former Sri Lankan cricketer who became a prominent ICC match referee, overseeing numerous high-profile international matches and tournaments.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Sri Lankan politician
ⓘ
person ⓘ |
| countryOfCitizenship | Sri Lanka ⓘ |
| memberOfPoliticalParty | Sri Lanka Freedom Party ⓘ |
| positionHeld |
Acting Chairman of the Sri Lanka Freedom Party
ⓘ
Cabinet minister of Sri Lanka ⓘ Chairman of the Sri Lanka Freedom Party ⓘ Chief Government Whip of Sri Lanka ⓘ Chief Opposition Whip of Sri Lanka ⓘ Deputy Minister of Agriculture ⓘ Deputy Minister of Commerce ⓘ Deputy Minister of Cultural Affairs ⓘ Deputy Minister of Defence ⓘ Deputy Minister of Education ⓘ Deputy Minister of Finance ⓘ Deputy Minister of Fisheries ⓘ Deputy Minister of Foreign Affairs ⓘ Deputy Minister of Health ⓘ Deputy Minister of Highways ⓘ Deputy Minister of Housing ⓘ Deputy Minister of Industries ⓘ Deputy Minister of Irrigation ⓘ Deputy Minister of Justice ⓘ Deputy Minister of Labour ⓘ Deputy Minister of Lands ⓘ Deputy Minister of Local Government ⓘ Deputy Minister of Planning ⓘ Deputy Minister of Posts and Telecommunications ⓘ Deputy Minister of Power ⓘ Deputy Minister of Public Administration ⓘ Deputy Minister of Public Security ⓘ Deputy Minister of Rehabilitation ⓘ Deputy Minister of Social Services ⓘ Deputy Minister of Tourism ⓘ Deputy Minister of Trade ⓘ Deputy Minister of Transport ⓘ Deputy minister of Sri Lanka ⓘ Governor of the North Central Province ⓘ Member of Parliament of Sri Lanka ⓘ Member of the House of Representatives of Ceylon ⓘ Member of the National State Assembly of Sri Lanka ⓘ Minister in the Government of Sri Lanka ⓘ Minister of Parliamentary Affairs ⓘ Minister of Plantation Industries ⓘ Minister of Sports ⓘ Minister of State ⓘ Senior Vice President of the Sri Lanka Freedom Party ⓘ Speaker of the Parliament of Sri Lanka ⓘ Vice President of the Sri Lanka Freedom Party ⓘ |
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: K. B. Ratnayake Description of subject: K. B. Ratnayake was a Sri Lankan politician who served as Speaker of the Parliament and held several key ministerial and party leadership positions in the Sri Lanka Freedom Party.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.