Triple

T14252751
Position Surface form Disambiguated ID Type / Status
Subject Willoughby J. Edbrooke E353309 entity
Predicate notableWork P4 FINISHED
Object U.S. Post Office and Courthouse (Pittsburgh, Pennsylvania)
The U.S. Post Office and Courthouse in Pittsburgh, Pennsylvania, is a historic federal building known for its grand late 19th-century architectural design and long service as a center for postal and judicial functions.
E471908 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, Pennsylvania) | Statement: [Willoughby J. Edbrooke, notableWork, U.S. Post Office and Courthouse (Pittsburgh, Pennsylvania)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: U.S. Post Office and Courthouse (Pittsburgh, Pennsylvania)
Context triple: [Willoughby J. Edbrooke, notableWork, U.S. Post Office and Courthouse (Pittsburgh, Pennsylvania)]
  • 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. 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.
  • C. 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.
  • 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 (Cleveland, Ohio)
    The U.S. Post Office and Courthouse in Cleveland, Ohio is a historic 19th-century federal building known for its grand Second Empire architectural style and role as a major government facility in the city.
  • 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, Pennsylvania)
Triple: [Willoughby J. Edbrooke, notableWork, U.S. Post Office and Courthouse (Pittsburgh, Pennsylvania)]
Generated description
The U.S. Post Office and Courthouse in Pittsburgh, Pennsylvania, is a historic federal building known for its grand late 19th-century architectural design and long service as a center for postal and judicial functions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: U.S. Post Office and Courthouse (Pittsburgh, Pennsylvania)
Target entity description: The U.S. Post Office and Courthouse in Pittsburgh, Pennsylvania, is a historic federal building known for its grand late 19th-century architectural design and long service as a center for postal and judicial functions.
  • A. U.S. Courthouse and Post Office (Pittsburgh, Pennsylvania) chosen
    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. 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.
  • C. 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.
  • 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 (Cleveland, Ohio)
    The U.S. Post Office and Courthouse in Cleveland, Ohio is a historic 19th-century federal building known for its grand Second Empire architectural style and role as a major government facility in the city.
  • F. None of above.

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_69d8278c43e08190824146f4632b89a5 completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de6297f38c819090d7c7fd8bfa2e9e completed April 14, 2026, 3:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd325a14b881909522b6fbbcc6326f completed May 8, 2026, 12:46 a.m.
NEDg Description generation batch_69fd33cba18481908f2dfe358017f11b completed May 8, 2026, 12:52 a.m.
NED2 Entity disambiguation (via description) batch_69fd346ffb9c81909ec28e514ea5451b completed May 8, 2026, 12:55 a.m.
Created at: April 10, 2026, 1:09 a.m.