Triple
T6748152
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Egerton Swartwout |
E154270
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object |
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.
|
E615783
|
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: U.S. Post Office and Courthouse, Pittsburgh | Statement: [Egerton Swartwout, notableWork, U.S. Post Office and Courthouse, Pittsburgh]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Post Office and Courthouse, Pittsburgh Context triple: [Egerton Swartwout, notableWork, U.S. Post Office and Courthouse, Pittsburgh]
-
A.
U.S. Courthouse and Post Office (Pittsburgh, Pennsylvania)
The U.S. Courthouse and Post Office in Pittsburgh, Pennsylvania, is a historic 19th-century federal building designed in the ornate Second Empire style by Supervising Architect Alfred B. Mullett.
-
B.
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.
-
C.
Gulf Building, Pittsburgh
The Gulf Building in Pittsburgh is a historic skyscraper that once served as the iconic headquarters of the Gulf Oil Corporation and remains a prominent feature of the city's skyline.
-
D.
U.S. Post Office and Courthouse (Cincinnati, Ohio)
The U.S. Post Office and Courthouse in Cincinnati, Ohio is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major regional center for postal and judicial functions.
-
E.
U.S. Post Office and Courthouse (Philadelphia, Pennsylvania)
The U.S. Post Office and Courthouse in Philadelphia, Pennsylvania, is a historic 19th-century federal building designed in the ornate Second Empire style by Supervising Architect Alfred B. Mullett.
- 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: U.S. Post Office and Courthouse, Pittsburgh Triple: [Egerton Swartwout, notableWork, U.S. Post Office and Courthouse, Pittsburgh]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U.S. Post Office and Courthouse, Pittsburgh Target entity description: 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.
-
A.
U.S. Courthouse and Post Office (Pittsburgh, Pennsylvania)
The U.S. Courthouse and Post Office in Pittsburgh, Pennsylvania, is a historic 19th-century federal building designed in the ornate Second Empire style by Supervising Architect Alfred B. Mullett.
-
B.
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.
-
C.
Gulf Building, Pittsburgh
The Gulf Building in Pittsburgh is a historic skyscraper that once served as the iconic headquarters of the Gulf Oil Corporation and remains a prominent feature of the city's skyline.
-
D.
U.S. Post Office and Courthouse (Cincinnati, Ohio)
The U.S. Post Office and Courthouse in Cincinnati, Ohio is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major regional center for postal and judicial functions.
-
E.
U.S. Post Office and Courthouse (Philadelphia, Pennsylvania)
The U.S. Post Office and Courthouse in Philadelphia, Pennsylvania, is a historic 19th-century federal building designed in the ornate Second Empire style by Supervising Architect Alfred B. Mullett.
- 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_69c6880ef37881909268a5a7299b9293 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d1d785dc81909c033084d2068568 |
completed | March 27, 2026, 6:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c70b180f188190b380909c46fbce40 |
completed | March 27, 2026, 10:56 p.m. |
| NEDg | Description generation | batch_69c70c334a90819084bb0b25bbc112cc |
completed | March 27, 2026, 11:01 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c70d0fcbc08190b3a7d0de3c634a5f |
completed | March 27, 2026, 11:04 p.m. |
Created at: March 27, 2026, 2:11 p.m.