Triple
T16247377
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | former Pennsylvania Railroad West Chester Branch (eastern portion) |
E394405
|
entity |
| Predicate | electrificationUsedBy |
P122334
|
FINISHED |
| Object | SEPTA Media/Elwyn Line |
E92892
|
NE FINISHED |
How this triple was built (3 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/Elwyn Line | Statement: [former Pennsylvania Railroad West Chester Branch (eastern portion), electrificationUsedBy, SEPTA Media/Elwyn Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SEPTA Media/Elwyn Line Context triple: [former Pennsylvania Railroad West Chester Branch (eastern portion), electrificationUsedBy, SEPTA Media/Elwyn Line]
-
A.
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.
-
B.
Media/Elwyn Line
chosen
The Media/Elwyn Line was a SEPTA Regional Rail service in the Philadelphia area that operated between Center City and Elwyn, Pennsylvania, before being extended and renamed the Media/Wawa Line.
-
C.
SEPTA Warminster Line
The SEPTA Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities to the north, terminating in Warminster, Pennsylvania.
-
D.
SEPTA Chestnut Hill East Line
The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: electrificationUsedBy Context triple: [former Pennsylvania Railroad West Chester Branch (eastern portion), electrificationUsedBy, SEPTA Media/Elwyn Line]
-
A.
electrificationUsedFor
Indicates that electrification is employed as a means or method to achieve, enable, or support a particular function, process, or purpose.
-
B.
electrificationServedBy
Indicates that the electrification of a system, area, or infrastructure is provided, supported, or enabled by a specified source, service, or entity.
-
C.
electrificationUsedBetween
Indicates that an electrification system or method is applied or present along the segment or connection between two entities.
-
D.
electrification
Indicates the process or state of providing electrical power or converting something to operate using electricity.
-
E.
electrificationCoverage
Indicates the extent to which a given area, system, or population is supplied with access to electrical power.
- 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_69d87f2171208190951025e526947816 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e245942460819080897afad0d2fe09 |
completed | April 17, 2026, 2:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0017afc578819086478bbdddc149df |
completed | May 10, 2026, 5:29 a.m. |
| PD | Predicate disambiguation | batch_69e219ee6f6481909663b388dc99770a |
completed | April 17, 2026, 11:30 a.m. |
| PDg | Predicate description generation | batch_69e21e55a2388190b29a045a8c608ba4 |
completed | April 17, 2026, 11:49 a.m. |
Created at: April 10, 2026, 5:04 a.m.