Triple
T21488140
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heinz Hall for the Performing Arts |
E530166
|
entity |
| Predicate | location |
P40
|
FINISHED |
| Object | Downtown Pittsburgh, Pennsylvania, United States |
—
|
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: Downtown Pittsburgh, Pennsylvania, United States | Statement: [Heinz Hall for the Performing Arts, location, Downtown Pittsburgh, Pennsylvania, United States]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown Pittsburgh, Pennsylvania, United States Context triple: [Heinz Hall for the Performing Arts, location, Downtown Pittsburgh, Pennsylvania, United States]
-
A.
Downtown Pittsburgh
chosen
Downtown Pittsburgh is the city’s central business district, known for its dense cluster of skyscrapers, cultural venues, and its location at the confluence of the Allegheny, Monongahela, and Ohio Rivers.
-
B.
East Pittsburgh, Pennsylvania
East Pittsburgh, Pennsylvania is a small borough in Allegheny County near Pittsburgh, historically known for its role in the region’s steel and industrial economy.
-
C.
Pittsburgh, Pennsylvania
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.
-
D.
Downtown Pittsburgh office district
Downtown Pittsburgh office district is the city’s central business core, characterized by dense clusters of high-rise office buildings, corporate headquarters, and financial institutions.
-
E.
Pittsburgh North Shore riverfront
The Pittsburgh North Shore riverfront is a scenic urban waterfront area along the Allegheny and Ohio Rivers known for its walking trails, parks, and views of the downtown skyline.
- 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.