Triple
T10614947
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvanian (train) |
E276093
|
entity |
| Predicate | terminusStation |
P15150
|
FINISHED |
| Object | Pittsburgh Union Station |
E62718
|
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 Union Station | Statement: [Pennsylvanian (train), terminusStation, Pittsburgh Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburgh Union Station Context triple: [Pennsylvanian (train), terminusStation, Pittsburgh Union Station]
-
A.
Union Station (Pittsburgh)
chosen
Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
-
B.
Union Station (Erie, Pennsylvania)
Union Station (Erie, Pennsylvania) is a historic former passenger railroad station in downtown Erie that now serves as a mixed-use commercial and office complex.
-
C.
Pennsylvania Station
Pennsylvania Station is a major transportation hub in Midtown Manhattan, New York City, serving as one of the busiest rail stations in the United States for Amtrak, commuter rail, and subway lines.
-
D.
Swissvale railroad station
Swissvale railroad station was a former passenger rail station that served as a key transportation hub for the borough of Swissvale, Pennsylvania.
-
E.
Cleveland Union Terminal
Cleveland Union Terminal was a major early-20th-century railroad station and transportation complex in downtown Cleveland that served as a key regional rail hub and gave rise to the iconic Terminal Tower skyscraper built above it.
- 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_69d6aaf948d88190806cc3a8c47a3fb2 |
completed | April 8, 2026, 7:22 p.m. |
| NER | Named-entity recognition | batch_69d6df5da6808190bd4cb486431dc42c |
completed | April 8, 2026, 11:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d95ecd44b08190bccbedd63544ba17 |
completed | April 10, 2026, 8:34 p.m. |
Created at: April 8, 2026, 7:33 p.m.