American League Division Series
E6254
The American League Division Series is a Major League Baseball postseason round that determines which American League teams advance toward the league championship and ultimately the World Series.
All labels observed (3)
| Label | Occurrences |
|---|---|
| American League Division Series canonical | 14 |
| American League postseason qualifiers | 1 |
| Division Series | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T49535 — 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: American League Division Series Context triple: [Red Sox Nation, followsCompetition, American League Division Series]
-
A.
American League Championship Series
The American League Championship Series is Major League Baseball’s best-of-seven playoff round that determines the American League pennant winner and World Series participant.
-
B.
World Series
The World Series is the annual championship series of Major League Baseball in North America, determining the league's overall champion.
-
C.
2003 American League Championship Series
The 2003 American League Championship Series was a dramatic, seven-game playoff between the New York Yankees and Boston Red Sox that became famous for its intense rivalry moments and Aaron Boone’s walk-off home run in Game 7.
-
D.
American League
The American League is one of the two major professional baseball leagues in Major League Baseball, comprising teams primarily based in the United States and Canada.
-
E.
NCAA Division I Baseball Tournament
The NCAA Division I Baseball Tournament is the annual national championship playoff for top-tier U.S. college baseball teams, culminating in the College World Series.
- 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: American League Division Series Target entity description: The American League Division Series is a Major League Baseball postseason round that determines which American League teams advance toward the league championship and ultimately the World Series.
-
A.
American League Championship Series
The American League Championship Series is Major League Baseball’s best-of-seven playoff round that determines the American League pennant winner and World Series participant.
-
B.
World Series
The World Series is the annual championship series of Major League Baseball in North America, determining the league's overall champion.
-
C.
2003 American League Championship Series
The 2003 American League Championship Series was a dramatic, seven-game playoff between the New York Yankees and Boston Red Sox that became famous for its intense rivalry moments and Aaron Boone’s walk-off home run in Game 7.
-
D.
American League
The American League is one of the two major professional baseball leagues in Major League Baseball, comprising teams primarily based in the United States and Canada.
-
E.
NCAA Division I Baseball Tournament
The NCAA Division I Baseball Tournament is the annual national championship playoff for top-tier U.S. college baseball teams, culminating in the College World Series.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Major League Baseball postseason series
ⓘ
playoff round ⓘ sports competition ⓘ |
| alsoKnownAs | ALDS ⓘ |
| competitionScope | American League teams only ⓘ |
| confersTitle | American League Division Series winner ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| determinesAdvancementTo | American League Championship Series ⓘ |
| eligibility | American League playoff qualifiers ⓘ |
| firstSeasonPlayed | 1995 MLB season ⓘ |
| followedBy | American League Championship Series ⓘ |
| format | best-of-five series ⓘ |
| frequency | annual ⓘ |
| gameType | playoff game ⓘ |
| governingBody |
Commissioner of Baseball
ⓘ
surface form:
Office of the Commissioner of Baseball
|
| historicalNote | first regularly scheduled AL Division Series played in 1995 postseason ⓘ |
| homeFieldAdvantage | higher-seeded team ⓘ |
| inception | 1995 ⓘ |
| includes |
American League Central division winner
ⓘ
American League East ⓘ
surface form:
American League East division winner
American League West ⓘ
surface form:
American League West division winner
American League Wild Card teams ⓘ |
| introducedAfter | 1994 Major League Baseball realignment ⓘ |
| league | American League ⓘ |
| levelInPostseason | one step below league championship series ⓘ |
| location | home ballparks of participating teams ⓘ |
| numberOfSeries | 2 ⓘ |
| numberOfTeams | 4 ⓘ |
| organizer | Major League Baseball ⓘ |
| partOf |
MLB playoffs
ⓘ
surface form:
American League postseason
MLB playoffs ⓘ
surface form:
Major League Baseball postseason
|
| playoffStructureRole | first full round of American League playoffs ⓘ |
| postseasonRound |
American League Division Series
self-linksurface differs
ⓘ
surface form:
Division Series
|
| precededBy | American League Championship Series qualification by regular season standings ⓘ |
| reasonForCreation | expansion of MLB postseason structure ⓘ |
| relatedCompetition |
American League Championship Series
ⓘ
American League Wild Card Series ⓘ National League Division Series ⓘ World Series ⓘ |
| seedingBasis | regular season record ⓘ |
| sport | baseball ⓘ |
| televisionCoverage | national sports networks in the United States ⓘ |
| tieBreakerRule | extra innings for tied games ⓘ |
| typicalEndTime | mid October ⓘ |
| typicalStartTime | early October ⓘ |
| ultimatePathTo | World Series ⓘ |
| usesDesignatedHitter | yes ⓘ |
| usesRuleSet | American League rules ⓘ |
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: American League Division Series Description of subject: The American League Division Series is a Major League Baseball postseason round that determines which American League teams advance toward the league championship and ultimately the World Series.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
American League postseason qualifiers
American League Division Series
→
postseasonRound
→
American League Division Series
self-linksurface differs
ⓘ
this entity surface form:
Division Series
subject surface form:
American League Wild Card team
subject surface form:
American League Wild Card team