Triple
T19919893
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mt. Lebanon station |
E478761
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | Port Authority of Allegheny County stations |
—
|
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: Port Authority of Allegheny County stations | Statement: [Mt. Lebanon station, category, Port Authority of Allegheny County stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Port Authority of Allegheny County stations Context triple: [Mt. Lebanon station, category, Port Authority of Allegheny County stations]
-
A.
Port Authority of Allegheny County
chosen
The Port Authority of Allegheny County is the public transit agency serving the Pittsburgh, Pennsylvania metropolitan area, operating the region’s buses, light rail, and related transportation infrastructure.
-
B.
Penn–North station
Penn–North station is an underground rapid transit stop on Baltimore’s Metro SubwayLink system serving the Penn-North neighborhood in West Baltimore.
-
C.
Norristown Transportation Center
Norristown Transportation Center is a major multimodal transit hub in Norristown, Pennsylvania, serving as a key connection point for regional rail, high-speed rail, and bus services in the SEPTA network.
-
D.
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.
-
E.
Harrisburg Transportation Center
Harrisburg Transportation Center is a historic intermodal transit hub in Harrisburg, Pennsylvania, serving as a major Amtrak rail station and local bus center.
- 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_69d8e521855c8190b41871700afc8d6a |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e659c49d408190b3a42bada3675133 |
completed | April 20, 2026, 4:52 p.m. |
Created at: April 10, 2026, 1:53 p.m.