Jon Lieber
E54033
Jon Lieber is a former Major League Baseball right-handed starting pitcher best known for his stints with teams like the Chicago Cubs and New York Yankees during the 1990s and 2000s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jon Lieber canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T393146 — 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: Jon Lieber Context triple: [Game 6 of the 2004 American League Championship Series, startingPitcherForHomeTeam, Jon Lieber]
-
A.
Jim Palmer
Jim Palmer is a Hall of Fame former Baltimore Orioles pitcher who later became a prominent television baseball commentator.
-
B.
Bill Klem
Bill Klem was a pioneering Major League Baseball umpire, often called the "father of modern umpiring," known for his long career and influential role in shaping officiating standards.
-
C.
Fergie Jenkins
Fergie Jenkins is a Canadian Hall of Fame pitcher renowned for his dominant tenure in Major League Baseball, particularly with the Chicago Cubs in the late 1960s and 1970s.
-
D.
Moe Berg
Moe Berg was an American Major League Baseball catcher who later became a World War II spy for the U.S. Office of Strategic Services.
-
E.
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.
- 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: Jon Lieber Target entity description: Jon Lieber is a former Major League Baseball right-handed starting pitcher best known for his stints with teams like the Chicago Cubs and New York Yankees during the 1990s and 2000s.
-
A.
Jim Palmer
Jim Palmer is a Hall of Fame former Baltimore Orioles pitcher who later became a prominent television baseball commentator.
-
B.
Bill Klem
Bill Klem was a pioneering Major League Baseball umpire, often called the "father of modern umpiring," known for his long career and influential role in shaping officiating standards.
-
C.
Fergie Jenkins
Fergie Jenkins is a Canadian Hall of Fame pitcher renowned for his dominant tenure in Major League Baseball, particularly with the Chicago Cubs in the late 1960s and 1970s.
-
D.
Moe Berg
Moe Berg was an American Major League Baseball catcher who later became a World War II spy for the U.S. Office of Strategic Services.
-
E.
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.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Major League Baseball pitcher
ⓘ
human ⓘ professional baseball player ⓘ |
| bats | right-handed ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| era |
1990s MLB player
ⓘ
2000s MLB player ⓘ |
| familyName | Lieber ⓘ |
| givenName | Jon ⓘ |
| handedness | right-handed pitcher ⓘ |
| league | Major League Baseball ⓘ |
| memberOfSportsTeam |
Arizona Diamondbacks
ⓘ
Chicago Cubs ⓘ New York Yankees ⓘ Philadelphia Phillies ⓘ Pittsburgh Pirates ⓘ |
| notableFor |
stint with the Chicago Cubs
ⓘ
stint with the New York Yankees ⓘ |
| occupation | baseball player ⓘ |
| playedFor |
Arizona Diamondbacks
ⓘ
Chicago Cubs ⓘ New York Yankees ⓘ Philadelphia Phillies ⓘ Pittsburgh Pirates ⓘ |
| positionPlayed | pitcher ⓘ |
| role | starting pitcher ⓘ |
| sexOrGender | male ⓘ |
| sport | baseball ⓘ |
| status | retired ⓘ |
| throws | right-handed ⓘ |
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: Jon Lieber Description of subject: Jon Lieber is a former Major League Baseball right-handed starting pitcher best known for his stints with teams like the Chicago Cubs and New York Yankees during the 1990s and 2000s.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.