Triple
T1817464
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA City Transit Division |
E40466
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
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.
|
E204879
|
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: SEPTA Route 15 trolley | Statement: [SEPTA City Transit Division, operates, SEPTA Route 15 trolley]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Route 15 trolley Context triple: [SEPTA City Transit Division, operates, SEPTA Route 15 trolley]
-
A.
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.
-
B.
SEPTA Route 10
SEPTA Route 10 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and West Philadelphia.
-
C.
SEPTA Route 13
SEPTA Route 13 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and the city’s western neighborhoods.
-
D.
SEPTA Route 11
SEPTA Route 11 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and the city’s southwestern neighborhoods.
-
E.
SEPTA Route 36
SEPTA Route 36 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and Southwest Philadelphia.
- 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: SEPTA Route 15 trolley Triple: [SEPTA City Transit Division, operates, SEPTA Route 15 trolley]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SEPTA Route 15 trolley Target entity description: 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.
-
A.
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.
-
B.
SEPTA Route 10
SEPTA Route 10 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and West Philadelphia.
-
C.
SEPTA Route 13
SEPTA Route 13 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and the city’s western neighborhoods.
-
D.
SEPTA Route 11
SEPTA Route 11 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and the city’s southwestern neighborhoods.
-
E.
SEPTA Route 36
SEPTA Route 36 is a trolley line in Philadelphia that operates as part of the SEPTA Subway–Surface system, running between Center City and Southwest Philadelphia.
- 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_69a8864526c081908a3a4d74f689e2c5 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa65f7b84081909005ce36ef1199db |
completed | March 6, 2026, 5:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adbf6019bc81909266b7f03b282f34 |
completed | March 8, 2026, 6:26 p.m. |
| NEDg | Description generation | batch_69adc3557d988190ae04df41e81bc842 |
completed | March 8, 2026, 6:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69adc3fadd08819090f9eedb4688cd4a |
completed | March 8, 2026, 6:46 p.m. |
Created at: March 4, 2026, 7:32 p.m.