Triple
T21488180
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heinz Hall for the Performing Arts |
E530166
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | Greater Pittsburgh area |
—
|
NE NERFINISHED |
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: Greater Pittsburgh area | Statement: [Heinz Hall for the Performing Arts, regionServed, Greater Pittsburgh area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greater Pittsburgh area Context triple: [Heinz Hall for the Performing Arts, regionServed, Greater Pittsburgh area]
-
A.
Pittsburgh region
chosen
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
B.
Johnstown metropolitan area
The Johnstown metropolitan area is a small metropolitan region in western Pennsylvania centered on the city of Johnstown and its surrounding communities, historically known for its steel industry and devastating floods.
-
C.
Erie metropolitan area
The Erie metropolitan area is a regional urban and economic hub in northwestern Pennsylvania centered on the city of Erie along the shores of Lake Erie.
-
D.
Southwestern Pennsylvania
Southwestern Pennsylvania is a region of the U.S. state of Pennsylvania that includes the Pittsburgh metropolitan area and surrounding Appalachian counties in the state's southwest corner.
-
E.
Pittsburgh–New Castle–Weirton combined statistical area
The Pittsburgh–New Castle–Weirton combined statistical area is a multi-state U.S. region centered on Pittsburgh that integrates surrounding metropolitan and micropolitan areas into a single large economic and population hub.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c45acc3881908e38d3f28964152b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea390bd88190bc444e6af275f6e8 |
completed | April 23, 2026, 9:45 a.m. |
Created at: April 16, 2026, 6:22 p.m.