Triple
T2255855
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Swarthmore, Pennsylvania |
E49721
|
entity |
| Predicate | servedByRailLine |
P1293
|
FINISHED |
| Object |
SEPTA Media/Wawa Line
The SEPTA Media/Wawa Line is a regional rail service in the Philadelphia area that connects Center City Philadelphia with suburban communities in Delaware County, including Media and Wawa.
|
E249058
|
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 Media/Wawa Line | Statement: [Swarthmore, Pennsylvania, servedByRailLine, SEPTA Media/Wawa Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Media/Wawa Line Context triple: [Swarthmore, Pennsylvania, servedByRailLine, SEPTA Media/Wawa Line]
-
A.
SEPTA Wilmington/Newark Line
The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
-
B.
SEPTA Paoli/Thorndale Line
The SEPTA Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs between Center City and western suburbs including Paoli and Thorndale.
-
C.
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.
-
D.
SEPTA Regional Rail
SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
-
E.
SEPTA Subway–Surface Trolley Lines
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.
- 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 Media/Wawa Line Triple: [Swarthmore, Pennsylvania, servedByRailLine, SEPTA Media/Wawa Line]
Generated description
The SEPTA Media/Wawa Line is a regional rail service in the Philadelphia area that connects Center City Philadelphia with suburban communities in Delaware County, including Media and Wawa.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SEPTA Media/Wawa Line Target entity description: The SEPTA Media/Wawa Line is a regional rail service in the Philadelphia area that connects Center City Philadelphia with suburban communities in Delaware County, including Media and Wawa.
-
A.
SEPTA Wilmington/Newark Line
The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
-
B.
SEPTA Paoli/Thorndale Line
The SEPTA Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs between Center City and western suburbs including Paoli and Thorndale.
-
C.
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.
-
D.
SEPTA Regional Rail
SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
-
E.
SEPTA Subway–Surface Trolley Lines
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.
- 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_69a88aaa9250819095e127d0d77e8a32 |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc1559ff481908efe3f214b2570dc |
completed | March 7, 2026, 6:10 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6b1fc8808190aebc534ea5adb534 |
completed | March 9, 2026, 6:39 a.m. |
| NEDg | Description generation | batch_69ae6c87e3108190bc3852b3ebdba45a |
completed | March 9, 2026, 6:45 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae6d0f723c8190bf0f91dad961e377 |
completed | March 9, 2026, 6:47 a.m. |
Created at: March 4, 2026, 7:47 p.m.