USL League One
E15044
USL League One is a professional third-division soccer league in the United States that operates under the United Soccer League and features clubs competing in the American soccer pyramid.
All labels observed (10)
| Label | Occurrences |
|---|---|
| USL League One canonical | 33 |
| USL Pro | 2 |
| USL League One (USL1) | 1 |
| USL League One 2019 | 1 |
| USL League One 2022 | 1 |
| USL League One Championship 2020 | 1 |
| USL League One clubs | 1 |
| USL League One playoffs | 1 |
| USL1 | 1 |
| United Soccer League system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T102718 — 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: USL League One Context triple: [U.S. Open Cup, includesClubsFrom, USL League One]
-
A.
USL First Division
The USL First Division was a former professional men's soccer league in the United States and Canada that served as a second-tier competition below Major League Soccer.
-
B.
USL Championship
The USL Championship is a professional men's soccer league in the United States that operates as a second-division competition beneath Major League Soccer.
-
C.
USL Second Division
The USL Second Division was a former professional third-tier soccer league in the United States operated by United Soccer Leagues.
-
D.
USL Premier Development League
The USL Premier Development League was a North American amateur soccer league primarily featuring college-aged players and serving as a key developmental platform within the United Soccer Leagues system.
-
E.
National Independent Soccer Association
The National Independent Soccer Association is a U.S.-based professional third-division soccer league featuring independent clubs outside Major League Soccer and the USL system.
- 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: USL League One Target entity description: USL League One is a professional third-division soccer league in the United States that operates under the United Soccer League and features clubs competing in the American soccer pyramid.
-
A.
USL First Division
The USL First Division was a former professional men's soccer league in the United States and Canada that served as a second-tier competition below Major League Soccer.
-
B.
USL Championship
The USL Championship is a professional men's soccer league in the United States that operates as a second-division competition beneath Major League Soccer.
-
C.
USL Second Division
The USL Second Division was a former professional third-tier soccer league in the United States operated by United Soccer Leagues.
-
D.
USL Premier Development League
The USL Premier Development League was a North American amateur soccer league primarily featuring college-aged players and serving as a key developmental platform within the United Soccer Leagues system.
-
E.
National Independent Soccer Association
The National Independent Soccer Association is a U.S.-based professional third-division soccer league featuring independent clubs outside Major League Soccer and the USL system.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
professional soccer league
ⓘ
sports organization ⓘ third-division soccer league ⓘ |
| abbreviation |
USL League One
self-linksurface differs
ⓘ
surface form:
USL1
|
| alsoKnownAs |
USL League One
ⓘ
surface form:
USL League One (USL1)
|
| broadcastPartners |
ESPN+ (streaming service)
ⓘ
surface form:
ESPN platforms (various)
|
| competitionFormat |
league
ⓘ
regular season and playoffs ⓘ |
| competitionScope | national ⓘ |
| competitionType | club competition ⓘ |
| confederation | CONCACAF ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| divisionLevel | third division ⓘ |
| domesticCup | U.S. Open Cup ⓘ |
| eligibleForUSOpenCup | yes ⓘ |
| federation |
United States Soccer Federation
ⓘ
surface form:
U.S. Soccer Federation
|
| focus | development of professional clubs in smaller and mid-sized markets ⓘ |
| founded | 2017 ⓘ |
| foundedBy |
United Soccer Leagues
ⓘ
surface form:
United Soccer League
|
| geographicCoverage | multiple U.S. states ⓘ |
| governingBody |
United Soccer Leagues
ⓘ
surface form:
United Soccer League
|
| governingRules |
Laws of the Game of association football
ⓘ
surface form:
Laws of the Game (IFAB)
|
| hasGenderCategory | men's ⓘ |
| hasPlayoffs | yes ⓘ |
| hasRegularSeasonTable | yes ⓘ |
| headquartersLocation | Tampa, Florida ⓘ |
| inauguralSeason | 2019 ⓘ |
| includesCanadianClubs | yes ⓘ |
| launchAnnounced | 2017 ⓘ |
| organizer |
United Soccer Leagues
ⓘ
surface form:
United Soccer League, LLC
|
| partOf |
American soccer pyramid
ⓘ
United Soccer Leagues ⓘ
surface form:
United Soccer League system
|
| primaryCountry |
United States of America
ⓘ
surface form:
United States
|
| professionalStatus | fully professional ⓘ |
| professionalTierRecognitionBy |
United States Soccer Federation
ⓘ
surface form:
U.S. Soccer Federation
|
| promotionTo | none (no formal promotion system) ⓘ |
| region | North America ⓘ |
| relatedCompetition |
USL Championship
ⓘ
USL League Two ⓘ USL Super League ⓘ |
| relegationTo | none (no formal relegation system) ⓘ |
| seasonSchedule | spring-to-fall calendar ⓘ |
| sport | association football ⓘ |
| tierInUSSoccerPyramid | third tier ⓘ |
| typeOfTeams |
MLS reserve teams (historically)
ⓘ
independent clubs ⓘ |
| website | https://www.uslleagueone.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: USL League One Description of subject: USL League One is a professional third-division soccer league in the United States that operates under the United Soccer League and features clubs competing in the American soccer pyramid.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
United Soccer League system
this entity surface form:
USL1
this entity surface form:
USL League One (USL1)
this entity surface form:
USL League One clubs
this entity surface form:
USL League One playoffs
this entity surface form:
USL League One Championship 2020
this entity surface form:
USL League One 2019
this entity surface form:
USL League One 2022
this entity surface form:
USL Pro
this entity surface form:
USL Pro
subject surface form:
USL Super League
subject surface form:
United Soccer League