Triple
T19151463
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Golden Triangle (Pittsburgh) |
E468817
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object | U.S. Steel Tower |
E288664
|
NE FINISHED |
How this triple was built (2 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 | Statement: [Golden Triangle (Pittsburgh), hasLandmark, U.S. Steel Tower]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Steel Tower Context triple: [Golden Triangle (Pittsburgh), hasLandmark, U.S. Steel Tower]
-
A.
Ernst & Young Tower
Ernst & Young Tower is a prominent office skyscraper in downtown Toronto that forms part of the city’s major financial district skyline.
-
B.
U.S. Bancorp Tower
U.S. Bancorp Tower is a prominent modern skyscraper in downtown Portland, Oregon, known as one of the city’s tallest and most recognizable office buildings.
-
C.
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.
-
D.
U.S. Steel Tower, Pittsburgh
chosen
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.
JPMorgan Chase Tower
JPMorgan Chase Tower is a prominent 75-story office skyscraper in Houston, Texas, known as one of the tallest buildings in the state and a key feature of the city’s skyline.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d8dd084ff48190ac0f8c46ee722629 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e97cfaa08190b7085d28fe970108 |
completed | April 20, 2026, 8:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a06f25476488190aa7dd874a54ecb91 |
completed | May 15, 2026, 10:15 a.m. |
Created at: April 10, 2026, 12:06 p.m.