Triple

T12069579

Position	Surface form	Disambiguated ID	Type / Status
Subject	Boston historic districts	`E287387`	entity
Predicate	includes	`P1393`	FINISHED
Object	Beacon Hill Historic District The Beacon Hill Historic District is a renowned Boston neighborhood celebrated for its Federal-style rowhouses, narrow gas-lit streets, and well-preserved 19th-century character.	`E963593`	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: Beacon Hill Historic District | Statement: [Boston historic districts, includes, Beacon Hill Historic District]

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

Target entity: Beacon Hill Historic District
Context triple: [Boston historic districts, includes, Beacon Hill Historic District]

A. Harvard-Belmont Landmark District
The Harvard-Belmont Landmark District is a historic residential neighborhood in Seattle known for its early 20th-century mansions, distinctive architecture, and association with the city’s affluent past.
B. Roxbury Historic District
Roxbury Historic District is a preserved area in Roxbury, New York, known for its concentration of historically and architecturally significant buildings that reflect the town’s 19th- and early 20th-century development.
C. South Boston Historic District
South Boston Historic District is a nationally recognized historic area in South Boston, Virginia, noted for its well-preserved late-19th- and early-20th-century commercial and residential architecture reflecting the town’s tobacco-driven prosperity.
D. Brattle Street Historic District
Brattle Street Historic District is a historic neighborhood in Cambridge, Massachusetts, known for its well-preserved 18th- and 19th-century residences and its association with prominent figures of American history.
E. Ashmont Hill Historic District
Ashmont Hill Historic District is a residential area in Boston known for its well-preserved late 19th- and early 20th-century architecture and tree-lined streets.
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: Beacon Hill Historic District
Triple: [Boston historic districts, includes, Beacon Hill Historic District]

Generated description

The Beacon Hill Historic District is a renowned Boston neighborhood celebrated for its Federal-style rowhouses, narrow gas-lit streets, and well-preserved 19th-century character.

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

Target entity: Beacon Hill Historic District
Target entity description: The Beacon Hill Historic District is a renowned Boston neighborhood celebrated for its Federal-style rowhouses, narrow gas-lit streets, and well-preserved 19th-century character.

A. Harvard-Belmont Landmark District
The Harvard-Belmont Landmark District is a historic residential neighborhood in Seattle known for its early 20th-century mansions, distinctive architecture, and association with the city’s affluent past.
B. Roxbury Historic District
Roxbury Historic District is a preserved area in Roxbury, New York, known for its concentration of historically and architecturally significant buildings that reflect the town’s 19th- and early 20th-century development.
C. South Boston Historic District
South Boston Historic District is a nationally recognized historic area in South Boston, Virginia, noted for its well-preserved late-19th- and early-20th-century commercial and residential architecture reflecting the town’s tobacco-driven prosperity.
D. Brattle Street Historic District
Brattle Street Historic District is a historic neighborhood in Cambridge, Massachusetts, known for its well-preserved 18th- and 19th-century residences and its association with prominent figures of American history.
E. Ashmont Hill Historic District
Ashmont Hill Historic District is a residential area in Boston known for its well-preserved late 19th- and early 20th-century architecture and tree-lined streets.
F. None of above. chosen

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_69d6ab4846e081908ee7bbd66a6d3459`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d90457fd488190b311ed69d2aebdf9`	completed	April 10, 2026, 2:08 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f5f65af0e88190ad32adb9ff76b01b`	completed	May 2, 2026, 1:04 p.m.
NEDg	Description generation	`batch_69f5fde880f4819094b2170bf4e82138`	completed	May 2, 2026, 1:36 p.m.
NED2	Entity disambiguation (via description)	`batch_69f5ffc563a08190b95db768df475a3a`	completed	May 2, 2026, 1:44 p.m.

Created at: April 8, 2026, 9:48 p.m.