Triple
T1225481
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 15th Street station |
E26317
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object |
Route 36 trolley
The Route 36 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and Southwest Philadelphia.
|
E144436
|
NE FINISHED |
How this triple was built (4 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: Route 36 trolley | Statement: [15th Street station, servesLine, Route 36 trolley]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Route 36 trolley Context triple: [15th Street station, servesLine, Route 36 trolley]
-
A.
Route 34 trolley
The Route 34 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and West Philadelphia.
-
B.
Route 13 trolley
The Route 13 trolley is a SEPTA streetcar line in Philadelphia that provides light rail service between Center City and neighborhoods to the southwest.
-
C.
Route 11 trolley
The Route 11 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and the city’s southwestern neighborhoods.
-
D.
McKinney Avenue Trolley
The McKinney Avenue Trolley is a heritage streetcar system in Dallas, Texas, that operates vintage trolleys as a free public transit service and tourist attraction.
-
E.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Route 36 trolley Triple: [15th Street station, servesLine, Route 36 trolley]
Generated description
The Route 36 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and Southwest Philadelphia.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Route 36 trolley Target entity description: The Route 36 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and Southwest Philadelphia.
-
A.
Route 34 trolley
The Route 34 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and West Philadelphia.
-
B.
Route 13 trolley
The Route 13 trolley is a SEPTA streetcar line in Philadelphia that provides light rail service between Center City and neighborhoods to the southwest.
-
C.
Route 11 trolley
The Route 11 trolley is a SEPTA subway–surface streetcar line in Philadelphia that runs between Center City and the city’s southwestern neighborhoods.
-
D.
McKinney Avenue Trolley
The McKinney Avenue Trolley is a heritage streetcar system in Dallas, Texas, that operates vintage trolleys as a free public transit service and tourist attraction.
-
E.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
- F. None of above. chosen
Provenance (5 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_69a49484688c8190a1bf285eb396a8b6 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4be39908481908cca21aaf0828415 |
completed | March 1, 2026, 10:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac9979cc0c8190b6ed1b6467a25ec1 |
completed | March 7, 2026, 9:32 p.m. |
| NEDg | Description generation | batch_69ac9a04f5f88190922a49ad5c83d794 |
completed | March 7, 2026, 9:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac9a793e7081908374e1a8e9fe3137 |
completed | March 7, 2026, 9:36 p.m. |
Created at: March 1, 2026, 7:47 p.m.