Maine Monster left-field wall
E839623
The Maine Monster left-field wall is a prominent, high green outfield wall at Hadlock Field in Portland, Maine, modeled after Fenway Park’s Green Monster and serving as a distinctive landmark of the ballpark.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hadlock Field "Maine Monster" left-field wall | 1 |
| Maine Monster left-field wall canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10069945 — 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: Maine Monster left-field wall Context triple: [Hadlock Field, hasFeature, Maine Monster left-field wall]
-
A.
Green Monster at Fenway Park
The Green Monster at Fenway Park is the iconic, towering left-field wall of the Boston Red Sox’s historic ballpark, famous for its height, proximity to home plate, and distinctive role in Major League Baseball.
-
B.
Wally the Green Monster
Wally the Green Monster is the furry green mascot of the Boston Red Sox, inspired by Fenway Park’s famous left-field wall, the Green Monster.
-
C.
Green Monster
The Green Monster is the iconic, unusually tall left-field wall at Fenway Park, famous for dramatically influencing gameplay and home run hitting in Boston Red Sox baseball games.
-
D.
left-field wall known as the "Mini Green Monster"
The "Mini Green Monster" is a distinctive, high left-field wall at Progressive Field that echoes Fenway Park’s famous Green Monster and adds a unique challenge for hitters and fielders.
-
E.
Maine State Pier
Maine State Pier is a historic waterfront pier and transportation hub in Portland, Maine, serving as a key departure point for ferries and other vessels in Casco Bay.
- 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: Maine Monster left-field wall Target entity description: The Maine Monster left-field wall is a prominent, high green outfield wall at Hadlock Field in Portland, Maine, modeled after Fenway Park’s Green Monster and serving as a distinctive landmark of the ballpark.
-
A.
Green Monster at Fenway Park
The Green Monster at Fenway Park is the iconic, towering left-field wall of the Boston Red Sox’s historic ballpark, famous for its height, proximity to home plate, and distinctive role in Major League Baseball.
-
B.
Wally the Green Monster
Wally the Green Monster is the furry green mascot of the Boston Red Sox, inspired by Fenway Park’s famous left-field wall, the Green Monster.
-
C.
Green Monster
The Green Monster is the iconic, unusually tall left-field wall at Fenway Park, famous for dramatically influencing gameplay and home run hitting in Boston Red Sox baseball games.
-
D.
left-field wall known as the "Mini Green Monster"
The "Mini Green Monster" is a distinctive, high left-field wall at Progressive Field that echoes Fenway Park’s famous Green Monster and adds a unique challenge for hitters and fielders.
-
E.
Maine State Pier
Maine State Pier is a historic waterfront pier and transportation hub in Portland, Maine, serving as a key departure point for ferries and other vessels in Casco Bay.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
outfield wall
ⓘ
sports venue feature ⓘ |
| associatedWithTeam | Portland Sea Dogs NERFINISHED ⓘ |
| color | green ⓘ |
| featureOf | Minor League Baseball ballpark ⓘ |
| hasFunction |
ballpark landmark
ⓘ
home run barrier ⓘ outfield boundary ⓘ |
| hasNameOrigin | play on Green Monster name ⓘ |
| inspiredBy | Fenway Park’s Green Monster NERFINISHED ⓘ |
| isLandmarkOf |
Hadlock Field
NERFINISHED
ⓘ
Portland Sea Dogs ballpark NERFINISHED ⓘ |
| locatedIn | Hadlock Field NERFINISHED ⓘ |
| locatedInCity | Portland, Maine NERFINISHED ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInState | Maine NERFINISHED ⓘ |
| material | wall structure ⓘ |
| modeledAfter | Green Monster NERFINISHED ⓘ |
| notableFor |
distinctive green color
ⓘ
height ⓘ resemblance to Fenway Park’s Green Monster ⓘ |
| partOf | Hadlock Field outfield NERFINISHED ⓘ |
| position | left field ⓘ |
| sport | baseball ⓘ |
| usedFor | professional baseball games ⓘ |
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: Maine Monster left-field wall Description of subject: The Maine Monster left-field wall is a prominent, high green outfield wall at Hadlock Field in Portland, Maine, modeled after Fenway Park’s Green Monster and serving as a distinctive landmark of the ballpark.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hadlock Field "Maine Monster" left-field wall