Triple
T3851981
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | University City (Philadelphia) |
E85315
|
entity |
| Predicate | traversedBy |
P225
|
FINISHED |
| Object | SEPTA trolley lines |
E1855
|
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: SEPTA trolley lines | Statement: [University City (Philadelphia), traversedBy, SEPTA trolley lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA trolley lines Context triple: [University City (Philadelphia), traversedBy, SEPTA trolley lines]
-
A.
SEPTA Subway–Surface Trolley Lines
chosen
The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
-
B.
SEPTA trackless trolley routes
SEPTA trackless trolley routes are electric bus lines in Philadelphia that operate using overhead wires instead of diesel engines, providing quieter and lower-emission transit service.
-
C.
SEPTA Route 101 trolley
The SEPTA Route 101 trolley is a suburban light rail line in the Philadelphia area that runs between the 69th Street Transportation Center and Media, Pennsylvania.
-
D.
SEPTA Route 15 trolley
The SEPTA Route 15 trolley is a historic Philadelphia streetcar line running along Girard Avenue, known for using restored PCC trolleys to provide local transit service.
-
E.
SEPTA Broad Street Line
The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
- 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_69aed936de1c81908f91bed80f70abb2 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aeebd0feb081909cc1d5bf41e4acd6 |
completed | March 9, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b51231608c8190bbc5dc990fba1606 |
completed | March 14, 2026, 7:45 a.m. |
Created at: March 9, 2026, 3:19 p.m.