Koji Uehara
E33809
Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Koji Uehara canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T260558 — 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: Koji Uehara Context triple: [2013 World Series, notablePlayer, Koji Uehara]
-
A.
Tim Wakefield
Tim Wakefield was a longtime Boston Red Sox knuckleball pitcher known for his durability, postseason performances, and key role in the team’s early-2000s success.
-
B.
Akinobu Okada
Akinobu Okada is a former Japanese professional baseball infielder and manager best known for his long association with Nippon Professional Baseball and leadership roles with the Hanshin Tigers.
-
C.
Hayato Ikeda
Hayato Ikeda was a Japanese prime minister known for his “income-doubling plan” and for overseeing rapid economic growth and modernization in postwar Japan.
-
D.
Curt Schilling
Curt Schilling is a former Major League Baseball pitcher best known for his postseason dominance with the Arizona Diamondbacks and Boston Red Sox, including helping end Boston’s 86-year championship drought.
-
E.
Kosuke Imai
Kosuke Imai is a political scientist and statistician known for his contributions to causal inference, experimental design, and statistical methods in the social sciences.
- 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: Koji Uehara Target entity description: Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
-
A.
Tim Wakefield
Tim Wakefield was a longtime Boston Red Sox knuckleball pitcher known for his durability, postseason performances, and key role in the team’s early-2000s success.
-
B.
Akinobu Okada
Akinobu Okada is a former Japanese professional baseball infielder and manager best known for his long association with Nippon Professional Baseball and leadership roles with the Hanshin Tigers.
-
C.
Hayato Ikeda
Hayato Ikeda was a Japanese prime minister known for his “income-doubling plan” and for overseeing rapid economic growth and modernization in postwar Japan.
-
D.
Curt Schilling
Curt Schilling is a former Major League Baseball pitcher best known for his postseason dominance with the Arizona Diamondbacks and Boston Red Sox, including helping end Boston’s 86-year championship drought.
-
E.
Kosuke Imai
Kosuke Imai is a political scientist and statistician known for his contributions to causal inference, experimental design, and statistical methods in the social sciences.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
baseball player
ⓘ
closer ⓘ human ⓘ pitcher ⓘ relief pitcher ⓘ |
| awardReceived | 2013 ALCS Most Valuable Player Award ⓘ |
| bats | right ⓘ |
| competedIn |
2004 Summer Olympics baseball tournament
ⓘ
2008 Summer Olympics baseball tournament ⓘ |
| countryOfCitizenship | Japan ⓘ |
| dateOfBirth | 1975-04-03 ⓘ |
| education | Osaka University of Health and Sport Sciences ⓘ |
| height | about 188 cm ⓘ |
| isKnownFor |
dominant postseason performance with the Boston Red Sox
ⓘ
elite control and low walk rate ⓘ split-finger fastball ⓘ |
| language | Japanese ⓘ |
| laterCareerActivity | baseball commentator in Japan ⓘ |
| leagueDebut |
Major League Baseball
ⓘ
Nippon Professional Baseball ⓘ |
| medal | bronze medal at 2004 Summer Olympics ⓘ |
| MLBAllStarSelection | 2014 ⓘ |
| MLBDebutTeam | Baltimore Orioles ⓘ |
| nationalTeam | Japan national baseball team ⓘ |
| notableStatistic |
high strikeout-to-walk ratio
ⓘ
very low career walk rate in MLB ⓘ |
| NPBAwardReceived |
Eiji Sawamura Award 1999
ⓘ
linked to:
Eiji Sawamura Award
Eiji Sawamura Award 2002 ⓘ
linked to:
Eiji Sawamura Award
Rookie of the Year (Japan) 1999 ⓘ
linked to:
Central League Rookie of the Year
|
| NPBDebutTeam | Yomiuri Giants ⓘ |
| placeOfBirth | Neyagawa, Osaka Prefecture, Japan ⓘ |
| playedFor |
Baltimore Orioles
ⓘ
Boston Red Sox ⓘ Chicago Cubs ⓘ Fukuoka SoftBank Hawks ⓘ
linked to:
SoftBank Hawks
Texas Rangers ⓘ Yomiuri Giants ⓘ |
| position | pitcher ⓘ |
| retiredFromMLB | yes ⓘ |
| retiredFromNPB | yes ⓘ |
| role | closer ⓘ |
| roleIn2013Postseason | Boston Red Sox closer ⓘ |
| sexOrGender | male ⓘ |
| sport | baseball ⓘ |
| teamIn2013WorldSeries | Boston Red Sox ⓘ |
| throws | right ⓘ |
| won | 2013 World Series ⓘ |
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: Koji Uehara Description of subject: Koji Uehara is a Japanese former professional baseball pitcher best known as an elite closer in Major League Baseball, particularly for his dominant postseason performance with the Boston Red Sox.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.