Triple
T2885785
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Philadelphia station (Broad Street Line) |
E59501
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object | Broad Street subway |
E46366
|
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: Broad Street subway | Statement: [North Philadelphia station (Broad Street Line), isOnCorridor, Broad Street subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Broad Street subway Context triple: [North Philadelphia station (Broad Street Line), isOnCorridor, Broad Street subway]
-
A.
Degraves Street subway
Degraves Street subway is an underground pedestrian passage in central Melbourne that links Flinders Street Station to Degraves Street and nearby laneways.
-
B.
Archer Avenue Subway
The Archer Avenue Subway is a New York City Subway extension in Queens that opened in the late 1980s to replace portions of the demolished elevated Jamaica Line and improve transit access to the Jamaica Center area.
-
C.
Tremont Street subway
The Tremont Street subway is the historic underground streetcar tunnel in downtown Boston that forms part of the MBTA Green Line and is recognized as the oldest subway tunnel in North America.
-
D.
Broad Street (BMT Nassau Street Line)
Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
-
E.
Broad Street Line
chosen
The Broad Street Line is a major north–south rapid transit subway line in Philadelphia operated by SEPTA, running primarily beneath Broad Street and serving key downtown and neighborhood destinations.
- 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_69ab4ac739188190a112f42a5a69c951 |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abe04476588190b0db0880e14c79b5 |
completed | March 7, 2026, 8:22 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b0864dc2fc8190bfc946ae454611c6 |
completed | March 10, 2026, 8:59 p.m. |
Created at: March 6, 2026, 10:03 p.m.