Triple
T22262789
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Port Authority light rail |
E550270
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Allegheny station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Allegheny station | Statement: [Port Authority light rail, hasStation, Allegheny station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Allegheny station Context triple: [Port Authority light rail, hasStation, Allegheny station]
-
A.
Pittsburgh station
Pittsburgh station is a historic intercity rail terminal in Pittsburgh, Pennsylvania, serving Amtrak trains and connecting the city to major regional and national routes.
-
B.
Wheeling station
Wheeling station is a commuter rail stop in Wheeling, Illinois, serving passengers on Metra’s North Central Service line in the Chicago metropolitan area.
-
C.
Pittsburg/Bay Point station
Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
-
D.
Folcroft station
Folcroft station is a commuter rail stop in Folcroft, Pennsylvania, served by SEPTA's Wilmington/Newark Line.
-
E.
Union Station (Pittsburgh)
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Allegheny station Target entity description: Allegheny station is a light rail stop on Pittsburgh’s Port Authority system serving the city’s North Shore area.
-
A.
Pittsburgh station
Pittsburgh station is a historic intercity rail terminal in Pittsburgh, Pennsylvania, serving Amtrak trains and connecting the city to major regional and national routes.
-
B.
Wheeling station
Wheeling station is a commuter rail stop in Wheeling, Illinois, serving passengers on Metra’s North Central Service line in the Chicago metropolitan area.
-
C.
Pittsburg/Bay Point station
Pittsburg/Bay Point station is a rapid transit station in Contra Costa County, California, serving as a terminus on the Bay Area Rapid Transit (BART) system.
-
D.
Folcroft station
Folcroft station is a commuter rail stop in Folcroft, Pennsylvania, served by SEPTA's Wilmington/Newark Line.
-
E.
Union Station (Pittsburgh)
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.
- F. None of above. chosen
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_69e11e42adb8819087714772ea606709 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f141b94a688190b17c55477993a745 |
completed | April 28, 2026, 11:24 p.m. |
Created at: April 16, 2026, 8:39 p.m.