Triple

T14386961

Position	Surface form	Disambiguated ID	Type / Status
Subject	Court of Common Pleas of Allegheny County	`E356746`	entity
Predicate	seat	`P75`	FINISHED
Object	Pittsburgh City-County Building The Pittsburgh City-County Building is a historic Beaux-Arts style government building in Downtown Pittsburgh that houses the primary offices and courts of the city and Allegheny County.	`E1097339`	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: Pittsburgh City-County Building | Statement: [Court of Common Pleas of Allegheny County, seat, Pittsburgh City-County Building]

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

Target entity: Pittsburgh City-County Building
Context triple: [Court of Common Pleas of Allegheny County, seat, Pittsburgh City-County Building]

A. U.S. Post Office and Courthouse, Pittsburgh
The U.S. Post Office and Courthouse in Pittsburgh is a historic federal building designed by architect Egerton Swartwout, notable for its grand Beaux-Arts architecture and combined postal and judicial functions.
B. Cincinnati City Hall
Cincinnati City Hall is the historic municipal building in downtown Cincinnati that houses the city’s primary government offices and chambers.
C. Frick Building (Pittsburgh)
The Frick Building in Pittsburgh is a historic early 20th-century skyscraper commissioned by industrialist Henry Clay Frick, notable for its Beaux-Arts design and prominence in the city’s downtown skyline.
D. U.S. Steel Tower, Pittsburgh
The U.S. Steel Tower in Pittsburgh is a prominent steel-framed skyscraper and city landmark known for its distinctive triangular footprint and role as a major office hub.
E. Allegheny County Courthouse, Pittsburgh
The Allegheny County Courthouse in Pittsburgh is a landmark 19th-century civic building designed by Henry Hobson Richardson and celebrated as one of the finest examples of Richardsonian Romanesque 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: Pittsburgh City-County Building
Triple: [Court of Common Pleas of Allegheny County, seat, Pittsburgh City-County Building]

Generated description

The Pittsburgh City-County Building is a historic Beaux-Arts style government building in Downtown Pittsburgh that houses the primary offices and courts of the city and Allegheny County.

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

Target entity: Pittsburgh City-County Building
Target entity description: The Pittsburgh City-County Building is a historic Beaux-Arts style government building in Downtown Pittsburgh that houses the primary offices and courts of the city and Allegheny County.

A. U.S. Post Office and Courthouse, Pittsburgh
The U.S. Post Office and Courthouse in Pittsburgh is a historic federal building designed by architect Egerton Swartwout, notable for its grand Beaux-Arts architecture and combined postal and judicial functions.
B. Cincinnati City Hall
Cincinnati City Hall is the historic municipal building in downtown Cincinnati that houses the city’s primary government offices and chambers.
C. Frick Building (Pittsburgh)
The Frick Building in Pittsburgh is a historic early 20th-century skyscraper commissioned by industrialist Henry Clay Frick, notable for its Beaux-Arts design and prominence in the city’s downtown skyline.
D. U.S. Steel Tower, Pittsburgh
The U.S. Steel Tower in Pittsburgh is a prominent steel-framed skyscraper and city landmark known for its distinctive triangular footprint and role as a major office hub.
E. Allegheny County Courthouse, Pittsburgh
The Allegheny County Courthouse in Pittsburgh is a landmark 19th-century civic building designed by Henry Hobson Richardson and celebrated as one of the finest examples of Richardsonian Romanesque 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_69d827927c988190ad98bb0360981783`	completed	April 9, 2026, 10:26 p.m.
NER	Named-entity recognition	`batch_69de90283b9c8190b50d30ad58bfe085`	completed	April 14, 2026, 7:06 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69fd5513e8888190bc6b6cb33fd9b670`	completed	May 8, 2026, 3:14 a.m.
NEDg	Description generation	`batch_69fd569747708190b6cae2679cf9df89`	completed	May 8, 2026, 3:20 a.m.
NED2	Entity disambiguation (via description)	`batch_69fd5702e95481909f02440dbb233902`	completed	May 8, 2026, 3:22 a.m.

Created at: April 10, 2026, 1:16 a.m.