Bob Janssen Field
E773081
Bob Janssen Field is the on-campus softball stadium used by California Polytechnic State University's Cal Poly Mustangs softball team in San Luis Obispo, California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Bob Janssen Field canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9015928 — 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: Bob Janssen Field Context triple: [Cal Poly Mustangs, homeSoftballStadium, Bob Janssen Field]
-
A.
Ron Tonkin Field
Ron Tonkin Field is a minor league baseball stadium in Hillsboro, Oregon, best known as the home venue of the Hillsboro Hops.
-
B.
Robison Field
Robison Field was an early 20th-century baseball park in St. Louis that served as the longtime home of the St. Louis Cardinals before being replaced by Sportsman's Park.
-
C.
Berman Field
Berman Field is a soccer stadium at Cornell University in Ithaca, New York, primarily used for collegiate soccer matches.
-
D.
Bosse Field
Bosse Field is a historic minor league baseball stadium in Evansville, Indiana, known as one of the oldest professional baseball parks still in regular use in the United States.
-
E.
Siebert Field
Siebert Field is a college baseball stadium in Minneapolis, Minnesota, serving as the on-campus home venue for the University of Minnesota's baseball program.
- 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: Bob Janssen Field Target entity description: Bob Janssen Field is the on-campus softball stadium used by California Polytechnic State University's Cal Poly Mustangs softball team in San Luis Obispo, California.
-
A.
Ron Tonkin Field
Ron Tonkin Field is a minor league baseball stadium in Hillsboro, Oregon, best known as the home venue of the Hillsboro Hops.
-
B.
Robison Field
Robison Field was an early 20th-century baseball park in St. Louis that served as the longtime home of the St. Louis Cardinals before being replaced by Sportsman's Park.
-
C.
Berman Field
Berman Field is a soccer stadium at Cornell University in Ithaca, New York, primarily used for collegiate soccer matches.
-
D.
Bosse Field
Bosse Field is a historic minor league baseball stadium in Evansville, Indiana, known as one of the oldest professional baseball parks still in regular use in the United States.
-
E.
Siebert Field
Siebert Field is a college baseball stadium in Minneapolis, Minnesota, serving as the on-campus home venue for the University of Minnesota's baseball program.
- F. None of above. chosen
Statements (19)
| Predicate | Object |
|---|---|
| instanceOf |
college softball venue
ⓘ
softball stadium ⓘ |
| affiliation |
Big West Conference
NERFINISHED
ⓘ
NCAA Division I NERFINISHED ⓘ |
| campus | Cal Poly San Luis Obispo NERFINISHED ⓘ |
| campusType | on-campus stadium ⓘ |
| city | San Luis Obispo NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| homeTeam | Cal Poly Mustangs NERFINISHED ⓘ |
| homeVenueOf | Cal Poly Mustangs softball NERFINISHED ⓘ |
| locatedIn | San Luis Obispo, California NERFINISHED ⓘ |
| locatedOnCampusOf | California Polytechnic State University NERFINISHED ⓘ |
| namedAfter | Bob Janssen NERFINISHED ⓘ |
| operator | California Polytechnic State University NERFINISHED ⓘ |
| partOf | Cal Poly Mustangs athletic facilities ⓘ |
| sport | softball ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| tenant | Cal Poly Mustangs softball NERFINISHED ⓘ |
| usedFor | softball ⓘ |
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: Bob Janssen Field Description of subject: Bob Janssen Field is the on-campus softball stadium used by California Polytechnic State University's Cal Poly Mustangs softball team in San Luis Obispo, California.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cal Poly Mustangs