Triple
T2687128
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Leslie E. Robertson |
E57509
|
entity |
| Predicate | designed |
P184
|
FINISHED |
| Object |
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.
|
E288664
|
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. Steel Tower, Pittsburgh | Statement: [Leslie E. Robertson, designed, U.S. Steel Tower, Pittsburgh]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Steel Tower, Pittsburgh Context triple: [Leslie E. Robertson, designed, U.S. Steel Tower, Pittsburgh]
-
A.
U.S. Bank Tower
U.S. Bank Tower is a prominent skyscraper in Los Angeles known for its distinctive silhouette and status as one of the tallest buildings on the West Coast of the United States.
-
B.
Starrett-Lehigh Building
The Starrett-Lehigh Building is a massive, historic industrial and office complex in Manhattan known for its distinctive horizontal bands of windows and status as a prominent architectural landmark.
-
C.
Metropolitan Life Insurance Company Tower
The Metropolitan Life Insurance Company Tower is a historic early 20th-century skyscraper in Manhattan, modeled after the Campanile in Venice and once the tallest building in the world.
-
D.
Wainwright Building
The Wainwright Building is a pioneering early skyscraper in St. Louis, Missouri, celebrated as a landmark of the Chicago School and modern architectural design.
-
E.
U.S. Steel Yard
U.S. Steel Yard is a minor league baseball stadium in Gary, Indiana, primarily known as the home field of the Gary SouthShore RailCats.
- 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. Steel Tower, Pittsburgh Triple: [Leslie E. Robertson, designed, U.S. Steel Tower, Pittsburgh]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U.S. Steel Tower, Pittsburgh Target entity description: 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.
-
A.
U.S. Bank Tower
U.S. Bank Tower is a prominent skyscraper in Los Angeles known for its distinctive silhouette and status as one of the tallest buildings on the West Coast of the United States.
-
B.
Starrett-Lehigh Building
The Starrett-Lehigh Building is a massive, historic industrial and office complex in Manhattan known for its distinctive horizontal bands of windows and status as a prominent architectural landmark.
-
C.
Metropolitan Life Insurance Company Tower
The Metropolitan Life Insurance Company Tower is a historic early 20th-century skyscraper in Manhattan, modeled after the Campanile in Venice and once the tallest building in the world.
-
D.
Wainwright Building
The Wainwright Building is a pioneering early skyscraper in St. Louis, Missouri, celebrated as a landmark of the Chicago School and modern architectural design.
-
E.
U.S. Steel Yard
U.S. Steel Yard is a minor league baseball stadium in Gary, Indiana, primarily known as the home field of the Gary SouthShore RailCats.
- 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_69ab4a5028388190a36f3baf1588309e |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd9f080108190ab662a3a064cb5a9 |
completed | March 7, 2026, 7:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afa07228088190bb4942b3a25c938b |
completed | March 10, 2026, 4:39 a.m. |
| NEDg | Description generation | batch_69afa0ff9c10819096d06ead6dc87d04 |
completed | March 10, 2026, 4:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afa1e4ffb08190a6d96665ee566ea7 |
completed | March 10, 2026, 4:45 a.m. |
Created at: March 6, 2026, 9:54 p.m.