Triple
T6171640
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cambridge Public Library main branch |
E137712
|
entity |
| Predicate | isCentralBranchOf |
P43609
|
FINISHED |
| Object |
Cambridge Public Library system
The Cambridge Public Library system is the network of public libraries serving the city of Cambridge, Massachusetts, providing community access to books, digital resources, and educational programs across multiple neighborhood branches.
|
E137712
|
NE FINISHED |
How this triple was built (5 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Cambridge Public Library system | Statement: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cambridge Public Library system Context triple: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
-
A.
Cambridge Public Library Central Square Branch
Cambridge Public Library Central Square Branch is a neighborhood public library facility in Cambridge, Massachusetts, providing lending services, community programs, and study spaces to residents in the Central Square area.
-
B.
Boston Library Consortium
The Boston Library Consortium is a cooperative association of academic and research libraries in the New England region that collaborates to share resources, services, and expertise.
-
C.
Cambridge Public Library main branch
The Cambridge Public Library main branch is the central public library facility serving residents and visitors in Cambridge, Massachusetts.
-
D.
Middlesex Public Library
Middlesex Public Library is the community library serving residents of Middlesex Borough, New Jersey, providing access to books, media, and local programs.
-
E.
Newton, Massachusetts public library system
The Newton, Massachusetts public library system is a network of public libraries serving the city of Newton with lending collections, research resources, and community programs for residents of all ages.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Cambridge Public Library system Triple: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
Generated description
The Cambridge Public Library system is the network of public libraries serving the city of Cambridge, Massachusetts, providing community access to books, digital resources, and educational programs across multiple neighborhood branches.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cambridge Public Library system Target entity description: The Cambridge Public Library system is the network of public libraries serving the city of Cambridge, Massachusetts, providing community access to books, digital resources, and educational programs across multiple neighborhood branches.
-
A.
Cambridge Public Library Central Square Branch
Cambridge Public Library Central Square Branch is a neighborhood public library facility in Cambridge, Massachusetts, providing lending services, community programs, and study spaces to residents in the Central Square area.
-
B.
Boston Library Consortium
The Boston Library Consortium is a cooperative association of academic and research libraries in the New England region that collaborates to share resources, services, and expertise.
-
C.
Cambridge Public Library main branch
chosen
The Cambridge Public Library main branch is the central public library facility serving residents and visitors in Cambridge, Massachusetts.
-
D.
Middlesex Public Library
Middlesex Public Library is the community library serving residents of Middlesex Borough, New Jersey, providing access to books, media, and local programs.
-
E.
Newton, Massachusetts public library system
The Newton, Massachusetts public library system is a network of public libraries serving the city of Newton with lending collections, research resources, and community programs for residents of all ages.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isCentralBranchOf Context triple: [Cambridge Public Library main branch, isCentralBranchOf, Cambridge Public Library system]
-
A.
isSouthernBranchOf
Indicates that one entity functions as the southern subdivision or regional branch of another, larger organization or structure.
-
B.
centralBranch
chosen
Indicates that one entity functions as the main or primary branch within a larger organizational or structural system relative to another entity.
-
C.
hasBranchOffice
Indicates that one organization maintains a branch office or subsidiary location in another place or entity.
-
D.
isIndependentBranchOf
Indicates that one branch or subdivision operates autonomously and is not subordinate to the other branch or organization it is associated with.
-
E.
isCentralTo
Indicates that something plays a primary, essential, or defining role in relation to something else, such that the latter depends on or is organized around it.
- F. None of above.
Provenance (6 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69c008a68c508190a8d78245c865960e |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c05d910c3c8190ae6af548259295ff |
completed | March 22, 2026, 9:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c20d7783988190a0f0c8b37abe7069 |
completed | March 24, 2026, 4:05 a.m. |
| NEDg | Description generation | batch_69c211b3d06c81908b8eb7b3fe1b7e55 |
completed | March 24, 2026, 4:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c2122ed0f0819083c1e06b211b26d4 |
completed | March 24, 2026, 4:25 a.m. |
| PD | Predicate disambiguation | batch_69c055f7f12881908e21c04e9b752ba4 |
completed | March 22, 2026, 8:50 p.m. |
Created at: March 22, 2026, 4:18 p.m.