1999 Major League Soccer season
E250459
The 1999 Major League Soccer season was the fourth year of the top-tier professional soccer league in the United States, featuring 12 teams competing for the MLS Cup and Supporters’ Shield titles.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 1999 Major League Soccer season canonical | 4 |
| Major League Soccer 1999 season | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2177461 — 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: 1999 Major League Soccer season Context triple: [MetroStars, participatedIn, 1999 Major League Soccer season]
-
A.
1998 Major League Soccer season
The 1998 Major League Soccer season was the league’s third year of play in the United States, featuring expanded competition, early star players, and the continued establishment of professional top-flight soccer in the country.
-
B.
1997 Major League Soccer season
The 1997 Major League Soccer season was the second year of the United States' top-tier professional soccer league, featuring expanded competition and growing fan interest following the league’s inaugural 1996 campaign.
-
C.
1996 Major League Soccer season
The 1996 Major League Soccer season was the inaugural campaign of the top-tier professional soccer league in the United States, marking MLS’s debut with its first set of franchises and competitive play.
-
D.
2000 Major League Soccer season
The 2000 Major League Soccer season was the fifth year of the top-tier professional soccer league in the United States, featuring 12 teams competing for the MLS Cup and Supporters’ Shield.
-
E.
2001 Major League Soccer season
The 2001 Major League Soccer season was the sixth year of the top-tier professional soccer league in the United States, featuring clubs from across the country competing for the MLS Cup amid a schedule disrupted by the September 11 attacks.
- 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: 1999 Major League Soccer season Target entity description: The 1999 Major League Soccer season was the fourth year of the top-tier professional soccer league in the United States, featuring 12 teams competing for the MLS Cup and Supporters’ Shield titles.
-
A.
1998 Major League Soccer season
The 1998 Major League Soccer season was the league’s third year of play in the United States, featuring expanded competition, early star players, and the continued establishment of professional top-flight soccer in the country.
-
B.
1997 Major League Soccer season
The 1997 Major League Soccer season was the second year of the United States' top-tier professional soccer league, featuring expanded competition and growing fan interest following the league’s inaugural 1996 campaign.
-
C.
1996 Major League Soccer season
The 1996 Major League Soccer season was the inaugural campaign of the top-tier professional soccer league in the United States, marking MLS’s debut with its first set of franchises and competitive play.
-
D.
2000 Major League Soccer season
The 2000 Major League Soccer season was the fifth year of the top-tier professional soccer league in the United States, featuring 12 teams competing for the MLS Cup and Supporters’ Shield.
-
E.
2001 Major League Soccer season
The 2001 Major League Soccer season was the sixth year of the top-tier professional soccer league in the United States, featuring clubs from across the country competing for the MLS Cup amid a schedule disrupted by the September 11 attacks.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
Major League Soccer season
ⓘ
football season ⓘ sports season ⓘ |
| competitionFormat | regular season and playoffs ⓘ |
| competitionIncluded |
MLS Cup
ⓘ
Supporters' Shield ⓘ
linked to:
Supporters' Shield awards
|
| confederation | CONCACAF ⓘ |
| conference |
Eastern Conference
ⓘ
Western Conference ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| governingBody | Major League Soccer, LLC ⓘ |
| hasTeamCount | 12 ⓘ |
| isProfessional | true ⓘ |
| isTopTier | true ⓘ |
| league | Major League Soccer ⓘ |
| levelOnPyramid | 1 ⓘ |
| location | North America ⓘ |
| nextSeason | 2000 Major League Soccer season ⓘ |
| numberOfConferences | 2 ⓘ |
| numberOfTeams | 12 ⓘ |
| partOf | history of Major League Soccer ⓘ |
| previousSeason | 1998 Major League Soccer season ⓘ |
| seasonNumber | 4 ⓘ |
| sport | soccer ⓘ |
| titleContested |
1999 Supporters' Shield
ⓘ
MLS Cup 1999 ⓘ |
| topLevelIn |
United States soccer league system
ⓘ
linked to:
American soccer pyramid
|
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: 1999 Major League Soccer season Description of subject: The 1999 Major League Soccer season was the fourth year of the top-tier professional soccer league in the United States, featuring 12 teams competing for the MLS Cup and Supporters’ Shield titles.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 1999 Major League Soccer season