Moses Fleetwood Walker
E706253
Moses Fleetwood Walker was a 19th-century African American baseball player widely recognized as the first Black man to play in Major League Baseball.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Moses Fleetwood Walker canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8029539 — 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: Moses Fleetwood Walker Context triple: [Walker, hasNotableBearer, Moses Fleetwood Walker]
-
A.
Monte Irvin
Monte Irvin was a Hall of Fame American baseball player renowned as a star of the Negro Leagues who later became one of Major League Baseball’s early Black pioneers.
-
B.
Buck O’Neil
Buck O’Neil was a pioneering first baseman and manager in Negro League baseball who later became a beloved ambassador and historian for the game, helping to preserve and promote the legacy of Black players.
-
C.
Jackie Robinson
Jackie Robinson was a pioneering American baseball player who broke Major League Baseball’s color barrier in 1947 and became a symbol of the civil rights movement.
-
D.
Chase F. Robinson
Chase F. Robinson is a historian and academic administrator known for his scholarship on Islamic history and his leadership roles at major cultural and research institutions.
-
E.
Leonard Randolph Wilkens
Leonard Randolph Wilkens is a Hall of Fame American basketball player and coach renowned for his long NBA career and for ranking among the league’s all-time leaders in coaching victories.
- 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: Moses Fleetwood Walker Target entity description: Moses Fleetwood Walker was a 19th-century African American baseball player widely recognized as the first Black man to play in Major League Baseball.
-
A.
Monte Irvin
Monte Irvin was a Hall of Fame American baseball player renowned as a star of the Negro Leagues who later became one of Major League Baseball’s early Black pioneers.
-
B.
Buck O’Neil
Buck O’Neil was a pioneering first baseman and manager in Negro League baseball who later became a beloved ambassador and historian for the game, helping to preserve and promote the legacy of Black players.
-
C.
Jackie Robinson
Jackie Robinson was a pioneering American baseball player who broke Major League Baseball’s color barrier in 1947 and became a symbol of the civil rights movement.
-
D.
Chase F. Robinson
Chase F. Robinson is a historian and academic administrator known for his scholarship on Islamic history and his leadership roles at major cultural and research institutions.
-
E.
Leonard Randolph Wilkens
Leonard Randolph Wilkens is a Hall of Fame American basketball player and coach renowned for his long NBA career and for ranking among the league’s all-time leaders in coaching victories.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
African American
ⓘ
baseball player ⓘ human ⓘ |
| activeYearsStart | 1880s ⓘ |
| burialPlace | Union Cemetery, Steubenville, Ohio, United States NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1856-10-07 ⓘ |
| dateOfDeath | 1924-05-11 ⓘ |
| educatedAt |
Oberlin College
NERFINISHED
ⓘ
University of Michigan ⓘ |
| era | 19th century ⓘ |
| ethnicGroup |
Black Americans
ⓘ
surface form:
African American
|
| ethnicity | African American NERFINISHED ⓘ |
| familyName | Walker NERFINISHED ⓘ |
| fieldOfWork | sports ⓘ |
| givenName | Moses NERFINISHED ⓘ |
| hasCitizenship | United States of America NERFINISHED ⓘ |
| hasOccupation |
author
ⓘ
inventor ⓘ |
| hasRelative | Weldy Walker NERFINISHED ⓘ |
| hasRole | pioneer African American athlete ⓘ |
| knownFor | being among the earliest African Americans in Major League Baseball ⓘ |
| languageOfWorkOrName | English ⓘ |
| league | American Association NERFINISHED ⓘ |
| memberOfSportsTeam | Toledo Blue Stockings NERFINISHED ⓘ |
| middleName | Fleetwood NERFINISHED ⓘ |
| notableEvent | played in the American Association in 1884 ⓘ |
| notableFor |
being one of the first Black men to play in Major League Baseball
ⓘ
breaking early color barriers in professional baseball ⓘ |
| notableWork | Our Home Colony NERFINISHED ⓘ |
| occupation | baseball player ⓘ |
| placeOfBirth | Mount Pleasant, Ohio, United States NERFINISHED ⓘ |
| placeOfDeath | Cleveland, Ohio, United States NERFINISHED ⓘ |
| playedFor | Toledo Blue Stockings NERFINISHED ⓘ |
| playedIn |
Major League Baseball
NERFINISHED
ⓘ
minor league baseball ⓘ |
| positionPlayed | catcher ⓘ |
| race | Black ⓘ |
| religion | Christianity ⓘ |
| residence | Ohio, United States NERFINISHED ⓘ |
| sexOrGender | male ⓘ |
| sibling | Weldy Walker NERFINISHED ⓘ |
| sport | baseball ⓘ |
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: Moses Fleetwood Walker Description of subject: Moses Fleetwood Walker was a 19th-century African American baseball player widely recognized as the first Black man to play in Major League Baseball.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.