Indoor Football League
E389110
The Indoor Football League is a professional indoor American football league in the United States featuring teams that play a faster-paced, arena-style version of the sport.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Indoor Football League canonical | 9 |
| IFL | 2 |
| Intense Football League | 2 |
| Indoor Football League (partial competitive successor) | 1 |
| Indoor Football League United Conference | 1 |
| National Arena League | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3797210 — 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: Indoor Football League Context triple: [Iowa Barnstormers, leagueMembership, Indoor Football League]
-
A.
Arena Football League
The Arena Football League was a professional indoor American football league known for its high-scoring, fast-paced games played on a smaller field and for helping launch the careers of players like quarterback Kurt Warner.
-
B.
Alliance of American Football
The Alliance of American Football was a short-lived professional spring American football league that operated in 2019 as an alternative to the NFL before abruptly ceasing operations mid-season.
-
C.
World Football League
The World Football League was a short-lived professional American football league in the mid-1970s that attempted to rival the NFL with teams in the United States and abroad.
-
D.
USFL (United States Football League)
The USFL (United States Football League) is a professional American spring football league that serves as an alternative to the NFL, featuring teams across the United States and games televised nationally.
-
E.
American Football League
The American Football League was a major professional football league that operated from 1960 to 1969 and rivaled the NFL before the two leagues merged.
- 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: Indoor Football League Target entity description: The Indoor Football League is a professional indoor American football league in the United States featuring teams that play a faster-paced, arena-style version of the sport.
-
A.
Arena Football League
The Arena Football League was a professional indoor American football league known for its high-scoring, fast-paced games played on a smaller field and for helping launch the careers of players like quarterback Kurt Warner.
-
B.
Alliance of American Football
The Alliance of American Football was a short-lived professional spring American football league that operated in 2019 as an alternative to the NFL before abruptly ceasing operations mid-season.
-
C.
World Football League
The World Football League was a short-lived professional American football league in the mid-1970s that attempted to rival the NFL with teams in the United States and abroad.
-
D.
USFL (United States Football League)
The USFL (United States Football League) is a professional American spring football league that serves as an alternative to the NFL, featuring teams across the United States and games televised nationally.
-
E.
American Football League
The American Football League was a major professional football league that operated from 1960 to 1969 and rivaled the NFL before the two leagues merged.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
professional indoor American football league
ⓘ
sports league ⓘ |
| alsoKnownAs |
Indoor Football League
ⓘ
surface form:
IFL
|
| broadcastCoverage |
online streaming platforms
ⓘ
regional sports networks (varies by season) ⓘ |
| championshipTitle | United Bowl ⓘ |
| competitionFormat | indoor, arena-style American football ⓘ |
| contactType | full-contact ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| fieldLocation | multi-purpose indoor arenas ⓘ |
| fieldType | indoor artificial turf ⓘ |
| foundedBy |
Indoor Football League
self-linksurface differs
ⓘ
surface form:
Intense Football League
United Indoor Football ⓘ |
| gamePace | faster-paced than traditional outdoor American football ⓘ |
| governingBody | Indoor Football League front office ⓘ |
| governs | member indoor football teams ⓘ |
| hasCompetitionLevel |
below National Football League
ⓘ
comparable to other indoor/arena football leagues ⓘ |
| hasFanExperienceFeature |
closer proximity of fans to field
ⓘ
higher scoring games on average ⓘ |
| hasGenderParticipation | primarily male athletes ⓘ |
| hasOvertimeRule | modified sudden-death style overtime ⓘ |
| hasPlaySurfaceDimensions | shorter and narrower than standard outdoor football field ⓘ |
| hasRosterLimit | smaller rosters than outdoor professional leagues ⓘ |
| hasSeasonStructure |
championship game
ⓘ
playoffs ⓘ regular season ⓘ |
| inception | 2008 ⓘ |
| mergerOf |
Indoor Football League
self-linksurface differs
ⓘ
surface form:
Intense Football League
United Indoor Football ⓘ |
| numberOfPlayersPerSide | 8 ⓘ |
| professionalStatus | minor professional ⓘ |
| regulates |
player contracts within the league
ⓘ
team salary and operational rules ⓘ |
| ruleModificationComparedToNFL |
different motion rules for offensive players
ⓘ
rebound nets not used in all eras/venues ⓘ shorter play clock ⓘ smaller field ⓘ |
| scoringSystem | similar to outdoor American football with minor variations ⓘ |
| seasonTiming | spring-summer ⓘ |
| sport | indoor American football ⓘ |
| teamLocationScope |
United States of America
ⓘ
surface form:
United States
occasionally Canada (historically) ⓘ |
| usesBallType | standard American football ⓘ |
| website | https://goifl.com ⓘ |
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: Indoor Football League Description of subject: The Indoor Football League is a professional indoor American football league in the United States featuring teams that play a faster-paced, arena-style version of the sport.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Indoor Football League United Conference
this entity surface form:
National Arena League
this entity surface form:
IFL
this entity surface form:
Intense Football League
this entity surface form:
Intense Football League
this entity surface form:
IFL
this entity surface form:
Indoor Football League (partial competitive successor)