Triple
T428463
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Office of Surface Mining Reclamation and Enforcement |
E9660
|
entity |
| Predicate | hasOfficeIn |
P1268
|
FINISHED |
| Object | Pittsburgh, Pennsylvania |
E19280
|
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: Pittsburgh, Pennsylvania | Statement: [Office of Surface Mining Reclamation and Enforcement, hasOfficeIn, Pittsburgh, Pennsylvania]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh, Pennsylvania Context triple: [Office of Surface Mining Reclamation and Enforcement, hasOfficeIn, Pittsburgh, Pennsylvania]
-
A.
Pittsburgh, Pennsylvania
chosen
Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
-
B.
Duquesne, Pennsylvania
Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
-
C.
Allegheny, Pennsylvania
Allegheny, Pennsylvania is a historic former city (now part of Pittsburgh) known for its 19th-century industrial growth and as an early center of the Bible Student movement associated with the Watch Tower Society.
-
D.
Homestead, Pennsylvania
Homestead, Pennsylvania is a historic industrial borough near Pittsburgh best known as the site of Andrew Carnegie’s massive steel works and the 1892 Homestead Strike.
-
E.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
- 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_69a2e801e1d48190b505d1dd336b52ac |
completed | Feb. 28, 2026, 1:05 p.m. |
| NER | Named-entity recognition | batch_69a2eeecb64c81908c5c83ef7c0181e6 |
completed | Feb. 28, 2026, 1:34 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a50e1f11c08190a0fb6198ca7b61e8 |
completed | March 2, 2026, 4:12 a.m. |
Created at: Feb. 28, 2026, 1:11 p.m.