Triple

T7363046

Position	Surface form	Disambiguated ID	Type / Status
Subject	Christ Church Cathedral, Springfield, Massachusetts	`E169797`	entity
Predicate	locatedIn	`P40`	FINISHED
Object	Quadrangle–Mattoon Street Historic District The Quadrangle–Mattoon Street Historic District is a notable historic area in downtown Springfield, Massachusetts, recognized for its 19th-century architecture and cultural institutions.	`E658112`	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: Quadrangle–Mattoon Street Historic District | Statement: [Christ Church Cathedral, Springfield, Massachusetts, locatedIn, Quadrangle–Mattoon Street Historic District]

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

Target entity: Quadrangle–Mattoon Street Historic District
Context triple: [Christ Church Cathedral, Springfield, Massachusetts, locatedIn, Quadrangle–Mattoon Street Historic District]

A. DeKalb Street Historic District
DeKalb Street Historic District is a historically significant area in Norristown, Pennsylvania, known for its concentration of 19th- and early 20th-century architecture reflecting the borough’s commercial and civic development.
B. Prairie Avenue Historic District
The Prairie Avenue Historic District is a landmark neighborhood on Chicago’s Near South Side known for its concentration of late 19th-century mansions and notable residents from the city’s Gilded Age elite.
C. Boulevard Historic District
The Boulevard Historic District is a residential neighborhood in Athens, Georgia, known for its well-preserved late-19th- and early-20th-century architecture and historic character.
D. Park Avenue Historic District
Park Avenue Historic District is a historic neighborhood and park-lined boulevard in downtown Tallahassee, Florida, known for its preserved 19th- and early 20th-century architecture and civic landmarks.
E. Arlington Heights Historic District
Arlington Heights Historic District is a historically significant residential and commercial area in Arlington, Massachusetts, known for its well-preserved 19th- and early 20th-century architecture.
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: Quadrangle–Mattoon Street Historic District
Triple: [Christ Church Cathedral, Springfield, Massachusetts, locatedIn, Quadrangle–Mattoon Street Historic District]

Generated description

The Quadrangle–Mattoon Street Historic District is a notable historic area in downtown Springfield, Massachusetts, recognized for its 19th-century architecture and cultural institutions.

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

Target entity: Quadrangle–Mattoon Street Historic District
Target entity description: The Quadrangle–Mattoon Street Historic District is a notable historic area in downtown Springfield, Massachusetts, recognized for its 19th-century architecture and cultural institutions.

A. DeKalb Street Historic District
DeKalb Street Historic District is a historically significant area in Norristown, Pennsylvania, known for its concentration of 19th- and early 20th-century architecture reflecting the borough’s commercial and civic development.
B. Prairie Avenue Historic District
The Prairie Avenue Historic District is a landmark neighborhood on Chicago’s Near South Side known for its concentration of late 19th-century mansions and notable residents from the city’s Gilded Age elite.
C. Boulevard Historic District
The Boulevard Historic District is a residential neighborhood in Athens, Georgia, known for its well-preserved late-19th- and early-20th-century architecture and historic character.
D. Park Avenue Historic District
Park Avenue Historic District is a historic neighborhood and park-lined boulevard in downtown Tallahassee, Florida, known for its preserved 19th- and early 20th-century architecture and civic landmarks.
E. Arlington Heights Historic District
Arlington Heights Historic District is a historically significant residential and commercial area in Arlington, Massachusetts, known for its well-preserved 19th- and early 20th-century architecture.
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_69c68a5ade988190885b7175f63b7534`	completed	March 27, 2026, 1:47 p.m.
NER	Named-entity recognition	`batch_69c6f15f218081909b5cc7a8cc695055`	completed	March 27, 2026, 9:06 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69c7fab3a9d88190b9193dd0729eba5a`	completed	March 28, 2026, 3:58 p.m.
NEDg	Description generation	`batch_69c7fbe2a86881909be54dac809aa9af`	completed	March 28, 2026, 4:03 p.m.
NED2	Entity disambiguation (via description)	`batch_69c7fc84fff48190b4b43da21a9ede51`	completed	March 28, 2026, 4:06 p.m.

Created at: March 27, 2026, 3:06 p.m.