Triple
T21830376
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mellon Square |
E538977
|
entity |
| Predicate | heritageDesignation |
P623
|
FINISHED |
| Object | Pittsburgh History & Landmarks Foundation Historic Landmark |
—
|
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: Pittsburgh History & Landmarks Foundation Historic Landmark | Statement: [Mellon Square, heritageDesignation, Pittsburgh History & Landmarks Foundation Historic Landmark]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh History & Landmarks Foundation Historic Landmark Context triple: [Mellon Square, heritageDesignation, Pittsburgh History & Landmarks Foundation Historic Landmark]
-
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.
Pittsburgh History & Landmarks Foundation
The Pittsburgh History & Landmarks Foundation is a nonprofit preservation organization dedicated to protecting and promoting the architectural and historic heritage of Pittsburgh and its surrounding region.
-
C.
City of Pittsburgh Historic Review Commission
The City of Pittsburgh Historic Review Commission is a municipal body responsible for designating and overseeing the preservation of historic landmarks and districts within Pittsburgh.
-
D.
Pittsburgh Point Historic District
Pittsburgh Point Historic District is a historically significant area at the confluence of Pittsburgh’s three rivers, known for its preserved 18th-century fort sites and its integration with Point State Park.
-
E.
National Register of Historic Places in Philadelphia
The National Register of Historic Places in Philadelphia is the official federal list recognizing the city’s historically and architecturally significant buildings, sites, districts, structures, and objects worthy of preservation.
- 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_69e0c475cda88190987d08f23caebdc1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0913554508190b81347f01d3903e8 |
completed | April 28, 2026, 10:51 a.m. |
Created at: April 16, 2026, 6:54 p.m.