Triple

T1574696

Position	Surface form	Disambiguated ID	Type / Status
Subject	Cambridge Public Library Central Square Branch	`E33621`	entity
Predicate	partOf	`P40`	FINISHED
Object	Cambridge Public Library Cambridge Public Library is the public library system serving the city of Cambridge, Massachusetts, offering lending services, community programs, and access to information across multiple neighborhood branches.	`E137712`	NE FINISHED

How this triple was built (4 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 | Statement: [Cambridge Public Library Central Square Branch, partOf, Cambridge Public Library]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Cambridge Public Library
Context triple: [Cambridge Public Library Central Square Branch, partOf, Cambridge Public Library]

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. Cambridge Public Library main branch
The Cambridge Public Library main branch is the central public library facility serving residents and visitors in Cambridge, Massachusetts.
C. Brookline Public Library
Brookline Public Library is the main public library system serving the town of Brookline, Massachusetts, providing community access to books, media, and educational programs.
D. Danforth Memorial Library
Danforth Memorial Library is a public library building designed by prominent American architect Charles Follen McKim, known for its Beaux-Arts style and historical significance.
E. Cambridge Public Library Valente Branch
Cambridge Public Library Valente Branch is a neighborhood public library in Cambridge, Massachusetts, serving the Inman Square area with community-focused collections, programs, and services.
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
Triple: [Cambridge Public Library Central Square Branch, partOf, Cambridge Public Library]

Generated description

Cambridge Public Library is the public library system serving the city of Cambridge, Massachusetts, offering lending services, community programs, and access to information across multiple neighborhood branches.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Cambridge Public Library
Target entity description: Cambridge Public Library is the public library system serving the city of Cambridge, Massachusetts, offering lending services, community programs, and access to information 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. 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.
C. Brookline Public Library
Brookline Public Library is the main public library system serving the town of Brookline, Massachusetts, providing community access to books, media, and educational programs.
D. Danforth Memorial Library
Danforth Memorial Library is a public library building designed by prominent American architect Charles Follen McKim, known for its Beaux-Arts style and historical significance.
E. Cambridge Public Library Valente Branch
Cambridge Public Library Valente Branch is a neighborhood public library in Cambridge, Massachusetts, serving the Inman Square area with community-focused collections, programs, and services.
F. None of above.

Provenance (5 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_69a885f27a4c8190a4622252cdf54c00`	completed	March 4, 2026, 7:20 p.m.
NER	Named-entity recognition	`batch_69a908bcd87881908b911314a30dd327`	completed	March 5, 2026, 4:38 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69ad402b44688190b02e6d146f009854`	completed	March 8, 2026, 9:23 a.m.
NEDg	Description generation	`batch_69ad410ba7f881909dcee6e6fd56490f`	completed	March 8, 2026, 9:27 a.m.
NED2	Entity disambiguation (via description)	`batch_69ad41ff0b0c8190b5429ed6952a0ce6`	completed	March 8, 2026, 9:31 a.m.

Created at: March 4, 2026, 7:27 p.m.