Frontier League
E852050
The Frontier League is an independent professional baseball league in the United States and Canada that operates outside of Major League Baseball’s affiliated minor league system.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T10278884 — 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: Frontier League Context triple: [Evansville, professionalSportsLeague, Frontier League]
-
A.
Northwest League
The Northwest League is a Minor League Baseball league that has historically featured Class A short-season teams from the northwestern United States and western Canada.
-
B.
Eastern League
The Eastern League is a Double-A level Minor League Baseball league in the United States that has long served as a key developmental circuit for Major League Baseball prospects.
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C.
Eastern League
The Eastern League is one of Nippon Professional Baseball’s minor leagues, serving as a developmental circuit for the farm teams of several Central and Pacific League clubs in Japan.
-
D.
Midwest League
The Midwest League is a Minor League Baseball circuit in the United States that features Class A affiliates of Major League Baseball teams, primarily located in the Midwestern states.
-
E.
Western League
The Western League was a prominent late-19th-century minor baseball league that evolved into what is now known as Major League Baseball’s American League.
- 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: Frontier League Target entity description: The Frontier League is an independent professional baseball league in the United States and Canada that operates outside of Major League Baseball’s affiliated minor league system.
-
A.
Northwest League
The Northwest League is a Minor League Baseball league that has historically featured Class A short-season teams from the northwestern United States and western Canada.
-
B.
Eastern League
The Eastern League is a Double-A level Minor League Baseball league in the United States that has long served as a key developmental circuit for Major League Baseball prospects.
-
C.
Eastern League
The Eastern League is one of Nippon Professional Baseball’s minor leagues, serving as a developmental circuit for the farm teams of several Central and Pacific League clubs in Japan.
-
D.
Midwest League
The Midwest League is a Minor League Baseball circuit in the United States that features Class A affiliates of Major League Baseball teams, primarily located in the Midwestern states.
-
E.
Western League
The Western League was a prominent late-19th-century minor baseball league that evolved into what is now known as Major League Baseball’s American League.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
independent professional baseball league
ⓘ
sports league ⓘ |
| allows |
female players
ⓘ
male players ⓘ |
| competitionFormat | regular season and playoffs ⓘ |
| continent | North America ⓘ |
| country |
Canada
ⓘ
United States ⓘ
linked to:
United States of America
|
| currencyOfContracts | US dollars ⓘ |
| founded | 1993 ⓘ |
| geographicScope |
Eastern Canada
ⓘ
Midwestern United States ⓘ Northeastern United States ⓘ |
| governingBodyType | professional baseball organization ⓘ |
| hasAgePolicy | features age and service-time roster limits ⓘ |
| hasChampionship |
Frontier League Championship Series
ⓘ
linked to:
Frontier League
|
| hasCompetitionLevel | roughly comparable to lower minor leagues ⓘ |
| hasDivision |
Central Division
ⓘ
East Division ⓘ West Division ⓘ |
| hasFanBase | local and regional communities of member clubs ⓘ |
| hasGenderRestriction | none ⓘ |
| hasNotableAlumni | players who later reached Major League Baseball ⓘ |
| hasOnlinePresence | official website ⓘ |
| hasPlayoffQualificationRule | top teams in each division qualify for playoffs ⓘ |
| hasRevenueSources |
concessions
ⓘ
merchandise sales ⓘ sponsorships ⓘ ticket sales ⓘ |
| hasRosterSizeRule | limits number of veteran players per team ⓘ |
| hasRule |
uses designated hitter
ⓘ
uses international tiebreaker in extra innings (recent seasons) ⓘ |
| hasSeasonStructure | schedule of inter-division and intra-division games ⓘ |
| hasTeamType | professional baseball team ⓘ |
| hasTypeOfVenue | minor-league-style baseball stadiums ⓘ |
| hasUmpires | professional umpires ⓘ |
| headquartersLocation | Sauget, Illinois ⓘ |
| inception | 1993 ⓘ |
| isAffiliatedWithMLB | false ⓘ |
| isPartOf | Major League Baseball Partner League system ⓘ |
| isProfessional | true ⓘ |
| leagueLevel | independent ⓘ |
| mediaCoverage | local and regional sports media ⓘ |
| operatesOutsideOf | Major League Baseball affiliated minor league system ⓘ |
| partnershipWith | Major League Baseball ⓘ |
| playerStatus | players are not under contract with MLB organizations ⓘ |
| seasonTiming | plays primarily during summer months ⓘ |
| sport | baseball ⓘ |
| usesBall | regulation professional 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: Frontier League Description of subject: The Frontier League is an independent professional baseball league in the United States and Canada that operates outside of Major League Baseball’s affiliated minor league system.
Referenced by (34)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Missoula PaddleHeads baseball
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
subject linked to:
All Pro Freight Stadium
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League
linked to: Frontier League