Stephen C. Johnson
E690958
Stephen C. Johnson is an American computer scientist best known for creating the Yacc parser generator and contributing to early Unix development at Bell Labs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stephen C. Johnson canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7164937 — 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: Stephen C. Johnson Context triple: [Brian Kernighan, coAuthor, Stephen C. Johnson]
-
A.
Stephen K. Robinson
Stephen K. Robinson is a former NASA astronaut and aerospace engineer who flew on multiple Space Shuttle missions and conducted spacewalks to help assemble and repair the International Space Station.
-
B.
Douglas S. Cramer
Douglas S. Cramer was an American television and film producer best known for his work on popular series such as "Dynasty," "The Love Boat," and "Wonder Woman."
-
C.
Douglas L. Meyer
Douglas L. Meyer is a theatrical producer best known for his work on the hit 2001 Broadway musical "The Producers."
-
D.
Charles S. Johnson
Charles S. Johnson was an influential African American sociologist, editor, and civil rights leader whose work on race relations and urban Black life made him a key intellectual figure of the early 20th century.
-
E.
Stephen J. Rivele
Stephen J. Rivele is an American screenwriter best known for co-writing acclaimed biographical and historical films such as "Nixon" and "Ali."
- 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: Stephen C. Johnson Target entity description: Stephen C. Johnson is an American computer scientist best known for creating the Yacc parser generator and contributing to early Unix development at Bell Labs.
-
A.
Stephen K. Robinson
Stephen K. Robinson is a former NASA astronaut and aerospace engineer who flew on multiple Space Shuttle missions and conducted spacewalks to help assemble and repair the International Space Station.
-
B.
Douglas S. Cramer
Douglas S. Cramer was an American television and film producer best known for his work on popular series such as "Dynasty," "The Love Boat," and "Wonder Woman."
-
C.
Douglas L. Meyer
Douglas L. Meyer is a theatrical producer best known for his work on the hit 2001 Broadway musical "The Producers."
-
D.
Charles S. Johnson
Charles S. Johnson was an influential African American sociologist, editor, and civil rights leader whose work on race relations and urban Black life made him a key intellectual figure of the early 20th century.
-
E.
Stephen J. Rivele
Stephen J. Rivele is an American screenwriter best known for co-writing acclaimed biographical and historical films such as "Nixon" and "Ali."
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
computer scientist
ⓘ
software engineer ⓘ |
| affiliation |
Bell Labs
ⓘ
linked to:
Bell Telephone Laboratories
|
| areaOfInfluence |
Unix ecosystem
ⓘ
linked to:
Unix-like systems
parser generators ⓘ |
| contributedTo |
Unix
ⓘ
Unix tools ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| developerOf | Yacc ⓘ |
| employer |
Bell Labs
ⓘ
linked to:
Bell Telephone Laboratories
|
| fieldOfWork |
compiler construction
ⓘ
computer science ⓘ programming languages ⓘ software engineering ⓘ |
| genre | systems programming ⓘ |
| influenced |
Unix software development practices
ⓘ
compiler toolchains ⓘ |
| knownFor |
contributions to early Unix development
ⓘ
creating the Yacc parser generator ⓘ |
| languageOfWorkOrName | English ⓘ |
| notableWork |
Yacc
ⓘ
Yacc parser generator ⓘ
linked to:
Yacc
|
| occupation |
computer scientist
ⓘ
software engineer ⓘ |
| workLocation | Murray Hill, New Jersey ⓘ |
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: Stephen C. Johnson Description of subject: Stephen C. Johnson is an American computer scientist best known for creating the Yacc parser generator and contributing to early Unix development at Bell Labs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.