Triple
T4130106
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pittsburgh History and Landmarks Foundation Historic Landmark |
E85019
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Pittsburgh History and Landmarks Foundation |
E85019
|
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 History and Landmarks Foundation | Statement: [Pittsburgh History and Landmarks Foundation Historic Landmark, operator, Pittsburgh History and Landmarks Foundation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh History and Landmarks Foundation Context triple: [Pittsburgh History and Landmarks Foundation Historic Landmark, operator, Pittsburgh History and Landmarks Foundation]
-
A.
Pittsburgh History and Landmarks Foundation Historic Landmark
chosen
Pittsburgh History and Landmarks Foundation Historic Landmark is a designation awarded by a regional preservation organization to recognize and protect historically and architecturally significant sites in the Pittsburgh area.
-
B.
Pennsylvania Historical and Museum Commission
The Pennsylvania Historical and Museum Commission is the official state agency responsible for preserving, interpreting, and promoting Pennsylvania’s historical heritage and museums.
-
C.
Stadium Authority of the City of Pittsburgh
The Stadium Authority of the City of Pittsburgh is a municipal agency responsible for owning, managing, and overseeing major sports and entertainment venues in Pittsburgh, Pennsylvania.
-
D.
Western Pennsylvania Conservancy
Western Pennsylvania Conservancy is a nonprofit environmental organization in Pennsylvania that protects and manages natural areas, waterways, and notable sites such as Frank Lloyd Wright’s Fallingwater.
-
E.
Sports & Exhibition Authority of Pittsburgh and Allegheny County
The Sports & Exhibition Authority of Pittsburgh and Allegheny County is a public agency that develops, owns, and manages major sports and convention facilities in the Pittsburgh region.
- 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_69aed935ccd881909dc61f81bcdb7a78 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af021e3d6481909b47fdd98e9e4946 |
completed | March 9, 2026, 5:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b57f29865c8190b0ecb7acc9901765 |
completed | March 14, 2026, 3:30 p.m. |
Created at: March 9, 2026, 3:42 p.m.