Triple
T21088002
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Walnut–Locust station |
E519553
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object | Broad Street Subway |
—
|
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: Broad Street Subway | Statement: [Walnut–Locust station, isOnCorridor, Broad Street Subway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Broad Street Subway Context triple: [Walnut–Locust station, isOnCorridor, Broad Street Subway]
-
A.
Broad Street Subway
chosen
The Broad Street Subway is a major rapid transit line in Philadelphia that runs primarily along Broad Street, serving as a key north–south backbone of the city’s public transportation system.
-
B.
Queens Quay streetcar line
The Queens Quay streetcar line is a Toronto streetcar route that runs along the city’s central waterfront, serving key destinations and attractions on Queens Quay.
-
C.
Spadina streetcar line
The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
-
D.
Waterloo & City line
The Waterloo & City line is a short, deep-level London Underground railway line that provides a direct commuter link between Waterloo station and the City of London.
-
E.
Yonge Street subway corridor
The Yonge Street subway corridor is a major rapid transit route in Toronto that follows Yonge Street and forms the backbone of the city’s subway network.
- 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_69e0b507dd9081908fb8bfcbef4c8b46 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7094cebe08190bb10f51a45c244ec |
completed | April 21, 2026, 5:21 a.m. |
Created at: April 16, 2026, 2:50 p.m.