Portland Public Library main branch
E315548
The Portland Public Library main branch is the central public library facility in downtown Portland, Maine, serving as a major community hub for books, media, events, and public programs.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Portland Public Library main branch canonical | 7 |
| Portland Public Library | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2986961 — 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: Portland Public Library main branch Context triple: [Congress Street, Portland, Maine, hasLandmark, Portland Public Library main branch]
-
A.
Multnomah County Library
Multnomah County Library is a large public library system serving residents of Multnomah County, Oregon, including the city of Portland and surrounding communities.
-
B.
Seattle Central Library
Seattle Central Library is a striking glass-and-steel public library building in downtown Seattle, renowned for its innovative architecture by Rem Koolhaas and its role as the flagship branch of the Seattle Public Library system.
-
C.
Beaverton City Library
Beaverton City Library is the main public library serving the community of Beaverton, Oregon with lending, educational, and cultural services.
-
D.
Seattle Public Library
The Seattle Public Library is the public library system serving the city of Seattle, Washington, operating a network of neighborhood branches and a landmark central library.
-
E.
Clinton Public Library
Clinton Public Library is the main public library serving the residents of Clinton, Tennessee with access to books, media, and community programs.
- 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: Portland Public Library main branch Target entity description: The Portland Public Library main branch is the central public library facility in downtown Portland, Maine, serving as a major community hub for books, media, events, and public programs.
-
A.
Multnomah County Library
Multnomah County Library is a large public library system serving residents of Multnomah County, Oregon, including the city of Portland and surrounding communities.
-
B.
Seattle Central Library
Seattle Central Library is a striking glass-and-steel public library building in downtown Seattle, renowned for its innovative architecture by Rem Koolhaas and its role as the flagship branch of the Seattle Public Library system.
-
C.
Beaverton City Library
Beaverton City Library is the main public library serving the community of Beaverton, Oregon with lending, educational, and cultural services.
-
D.
Seattle Public Library
The Seattle Public Library is the public library system serving the city of Seattle, Washington, operating a network of neighborhood branches and a landmark central library.
-
E.
Clinton Public Library
Clinton Public Library is the main public library serving the residents of Clinton, Tennessee with access to books, media, and community programs.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
library building
ⓘ
public library ⓘ |
| category |
Buildings and structures in Portland, Maine
ⓘ
Public libraries in Maine ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function |
access to media collections
ⓘ
adult education programs ⓘ children’s services ⓘ community events ⓘ free Wi‑Fi access ⓘ lending of books ⓘ public computer access ⓘ public meeting space ⓘ public programs ⓘ teen services ⓘ |
| hasCollection |
DVDs
ⓘ
audiobooks ⓘ books ⓘ digital media ⓘ magazines ⓘ newspapers ⓘ |
| hasService |
author talks
ⓘ
community outreach programs ⓘ cultural events ⓘ exhibitions ⓘ interlibrary loan ⓘ literacy programs ⓘ meeting room rentals ⓘ reference services ⓘ research assistance ⓘ storytime programs ⓘ |
| locatedIn |
Cumberland County, Maine
ⓘ
Portland, Maine ⓘ United States ⓘ
linked to:
United States of America
downtown Portland, Maine ⓘ
linked to:
Downtown Portland
|
| openTo | general public ⓘ |
| operatedBy |
Portland Public Library
ⓘ
linked to:
Portland Public Library main branch
|
| ownedBy |
Portland Public Library
ⓘ
linked to:
Portland Public Library main branch
|
| partOf |
Portland Public Library
ⓘ
linked to:
Portland Public Library main branch
|
| role | major community hub in downtown Portland, Maine ⓘ |
| serves |
Greater Portland community
ⓘ
residents of Portland, Maine ⓘ |
| state | Maine ⓘ |
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: Portland Public Library main branch Description of subject: The Portland Public Library main branch is the central public library facility in downtown Portland, Maine, serving as a major community hub for books, media, events, and public programs.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Portland Public Library main branch
linked to: Portland Public Library main branch
linked to: Portland Public Library main branch
subject linked to:
Arts District
subject linked to:
Downtown Portland