John Francis Christopher Ducker
E836292
John Francis Christopher Ducker, better known as John Leeson, is a British actor most famous for voicing the robot dog K-9 in the long-running science fiction television series Doctor Who.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Francis Christopher Ducker canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T10015417 — 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: John Francis Christopher Ducker Context triple: [John Leeson, birthName, John Francis Christopher Ducker]
-
A.
Luke Duke
Luke Duke is a main character from the television series and film "The Dukes of Hazzard," known as one of the Duke cousins who get into high-speed adventures and trouble in Hazzard County.
-
B.
Andrew Jenkins
Andrew Jenkins is a British businessman best known for his long-serving leadership role as chairman of Carlisle United Football Club.
-
C.
John Dawson
John Dawson is a fictional character named John Dawson who appears in the work featuring the character Dawn.
-
D.
John Dawson
John Dawson was a pioneering American plasma physicist renowned for his foundational contributions to plasma theory and fusion research.
-
E.
John Dawson
John Dawson was an American musician best known as a founding member and primary songwriter of the country rock band New Riders of the Purple Sage.
- 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: John Francis Christopher Ducker Target entity description: John Francis Christopher Ducker, better known as John Leeson, is a British actor most famous for voicing the robot dog K-9 in the long-running science fiction television series Doctor Who.
-
A.
Luke Duke
Luke Duke is a main character from the television series and film "The Dukes of Hazzard," known as one of the Duke cousins who get into high-speed adventures and trouble in Hazzard County.
-
B.
Andrew Jenkins
Andrew Jenkins is a British businessman best known for his long-serving leadership role as chairman of Carlisle United Football Club.
-
C.
John Dawson
John Dawson is a fictional character named John Dawson who appears in the work featuring the character Dawn.
-
D.
John Dawson
John Dawson was a pioneering American plasma physicist renowned for his foundational contributions to plasma theory and fusion research.
-
E.
John Dawson
John Dawson was an American musician best known as a founding member and primary songwriter of the country rock band New Riders of the Purple Sage.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
fictional robot dog
ⓘ
human ⓘ stage name ⓘ voice actor ⓘ |
| alsoKnownAs | John Leeson ⓘ |
| appearsIn | Doctor Who ⓘ |
| appliesToPerson | John Francis Christopher Ducker ⓘ |
| countryOfCitizenship |
England
ⓘ
United Kingdom ⓘ |
| familyName | Ducker ⓘ |
| genre | science fiction television ⓘ |
| givenName | John ⓘ |
| knownFor | voicing the robot dog K-9 in Doctor Who ⓘ |
| languageOfWorkOrName | English ⓘ |
| name | John Francis Christopher Ducker ⓘ |
| notableWork |
Doctor Who
ⓘ
Doctor Who ⓘ K-9 (Doctor Who character) ⓘ
linked to:
K-9 (Doctor Who)
|
| occupation |
actor
ⓘ
actor ⓘ voice actor ⓘ voice actor ⓘ |
| sexOrGender | male ⓘ |
| stageName | John Leeson ⓘ |
| voiceOf |
K-9 (Doctor Who character)
ⓘ
linked to:
K-9 (Doctor Who)
K-9 (Doctor Who character) ⓘ
linked to:
K-9 (Doctor Who)
|
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: John Francis Christopher Ducker Description of subject: John Francis Christopher Ducker, better known as John Leeson, is a British actor most famous for voicing the robot dog K-9 in the long-running science fiction television series Doctor Who.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.