Triple
T12831446
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Philadelphia subway system |
E306795
|
entity |
| Predicate | hasCentralHub |
P2413
|
FINISHED |
| Object | Walnut–Locust Station |
E79568
|
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: Walnut–Locust Station | Statement: [Philadelphia subway system, hasCentralHub, Walnut–Locust Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Walnut–Locust Station Context triple: [Philadelphia subway system, hasCentralHub, Walnut–Locust Station]
-
A.
Walnut–Locust station
chosen
Walnut–Locust station is an underground rapid transit stop in Center City Philadelphia serving passengers on SEPTA’s Broad Street Line.
-
B.
Greenwood station
Greenwood station is a subway station on Line 2 Bloor–Danforth of the Toronto Transit Commission in Toronto, Ontario, Canada.
-
C.
Greenwood station
Greenwood station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Greenwood neighborhood of Wakefield, Massachusetts.
-
D.
Jefferson Station
Jefferson Station is a major regional rail hub in Center City Philadelphia that connects numerous SEPTA commuter lines and provides convenient access to nearby attractions and commercial areas.
-
E.
Shady Grove station
Shady Grove station is a Washington Metro station in Maryland that serves as the northwestern terminus of the system’s Red Line.
- 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_69d7bdf52b94819096d6f0ba4ab50a98 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96fb0bb208190bdc4d3dc7909be06 |
completed | April 10, 2026, 9:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f68ed8d20081908e0fb5262b354cab |
completed | May 2, 2026, 11:55 p.m. |
Created at: April 9, 2026, 5:34 p.m.