Triple

T4824531

Position	Surface form	Disambiguated ID	Type / Status
Subject	Charlton, Massachusetts	`E107789`	entity
Predicate	hasHistoricPlace	`P1098`	FINISHED
Object	Charlton Center Historic District Charlton Center Historic District is a historically significant area in the town center of Charlton, Massachusetts, featuring a collection of 18th- and 19th-century civic, religious, and residential buildings that reflect its development as a rural New England community.	`E473083`	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: Charlton Center Historic District | Statement: [Charlton, Massachusetts, hasHistoricPlace, Charlton Center Historic District]

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

Target entity: Charlton Center Historic District
Context triple: [Charlton, Massachusetts, hasHistoricPlace, Charlton Center Historic District]

A. Charter Street Historic District
Charter Street Historic District is a historically significant area in Salem, Massachusetts, known for its early colonial-era sites and association with the city’s 17th-century history.
B. Chatham Historic District
Chatham Historic District is a preserved area in Chatham, Massachusetts, known for its well-maintained 18th- and 19th-century architecture and its reflection of the town’s maritime and coastal New England heritage.
C. Belmont Center Historic District
Belmont Center Historic District is a historically significant commercial and civic core of Belmont, Massachusetts, noted for its early 20th-century architecture and role as the town’s primary downtown area.
D. West End Historic District
The West End Historic District is a preserved warehouse and commercial area in Dallas known for its redbrick architecture, museums, restaurants, and role as a major tourist and entertainment destination.
E. Paris Hill Historic District
Paris Hill Historic District is a nationally recognized historic area in Paris, Maine, known for its well-preserved 19th-century architecture and role as the town’s early civic and residential center.
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: Charlton Center Historic District
Triple: [Charlton, Massachusetts, hasHistoricPlace, Charlton Center Historic District]

Generated description

Charlton Center Historic District is a historically significant area in the town center of Charlton, Massachusetts, featuring a collection of 18th- and 19th-century civic, religious, and residential buildings that reflect its development as a rural New England community.

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

Target entity: Charlton Center Historic District
Target entity description: Charlton Center Historic District is a historically significant area in the town center of Charlton, Massachusetts, featuring a collection of 18th- and 19th-century civic, religious, and residential buildings that reflect its development as a rural New England community.

A. Charter Street Historic District
Charter Street Historic District is a historically significant area in Salem, Massachusetts, known for its early colonial-era sites and association with the city’s 17th-century history.
B. Chatham Historic District
Chatham Historic District is a preserved area in Chatham, Massachusetts, known for its well-maintained 18th- and 19th-century architecture and its reflection of the town’s maritime and coastal New England heritage.
C. Belmont Center Historic District
Belmont Center Historic District is a historically significant commercial and civic core of Belmont, Massachusetts, noted for its early 20th-century architecture and role as the town’s primary downtown area.
D. West End Historic District
The West End Historic District is a preserved warehouse and commercial area in Dallas known for its redbrick architecture, museums, restaurants, and role as a major tourist and entertainment destination.
E. Paris Hill Historic District
Paris Hill Historic District is a nationally recognized historic area in Paris, Maine, known for its well-preserved 19th-century architecture and role as the town’s early civic and residential center.
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_69bd43fac8188190803f0327190621e4`	completed	March 20, 2026, 12:56 p.m.
NER	Named-entity recognition	`batch_69bd6cadb2bc81909455149e46eb593a`	completed	March 20, 2026, 3:50 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69be4dc6ddcc8190903c0737476bbe36`	completed	March 21, 2026, 7:50 a.m.
NEDg	Description generation	`batch_69be4fd6581881908ce99ed0e531504d`	completed	March 21, 2026, 7:59 a.m.
NED2	Entity disambiguation (via description)	`batch_69be5037528881909e17870b7d01fa1f`	completed	March 21, 2026, 8 a.m.

Created at: March 20, 2026, 1:24 p.m.