Triple
T787628
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Media/Wawa Line |
E16839
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Elwyn station
Elwyn station is a commuter rail stop in Pennsylvania that serves as a key station on SEPTA’s Media/Wawa Line.
|
E102942
|
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: Elwyn station | Statement: [Media/Wawa Line, hasStation, Elwyn station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Elwyn station Context triple: [Media/Wawa Line, hasStation, Elwyn station]
-
A.
Wollaston station
Wollaston station is a Massachusetts Bay Transportation Authority (MBTA) Red Line rapid transit stop located in the Wollaston neighborhood of Quincy, Massachusetts.
-
B.
Woodland station
Woodland station is a light rail stop on Boston’s MBTA Green Line D branch serving the Newton area.
-
C.
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
-
D.
Warminster station
Warminster station is a SEPTA Regional Rail terminal in Warminster, Pennsylvania, serving as the northern endpoint of commuter rail service to and from central Philadelphia.
-
E.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
- 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: Elwyn station Triple: [Media/Wawa Line, hasStation, Elwyn station]
Generated description
Elwyn station is a commuter rail stop in Pennsylvania that serves as a key station on SEPTA’s Media/Wawa Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Elwyn station Target entity description: Elwyn station is a commuter rail stop in Pennsylvania that serves as a key station on SEPTA’s Media/Wawa Line.
-
A.
Wollaston station
Wollaston station is a Massachusetts Bay Transportation Authority (MBTA) Red Line rapid transit stop located in the Wollaston neighborhood of Quincy, Massachusetts.
-
B.
Woodland station
Woodland station is a light rail stop on Boston’s MBTA Green Line D branch serving the Newton area.
-
C.
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
-
D.
Warminster station
Warminster station is a SEPTA Regional Rail terminal in Warminster, Pennsylvania, serving as the northern endpoint of commuter rail service to and from central Philadelphia.
-
E.
Hay Railway Station
Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
- 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_69a4936cb7448190914f5fe4b8d81607 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a78171908190a38a70274bfbebf9 |
completed | March 1, 2026, 8:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a7b83be4f88190ab5f969f4f52924e |
completed | March 4, 2026, 4:42 a.m. |
| NEDg | Description generation | batch_69a7b89896bc8190bd98071c7d12a200 |
completed | March 4, 2026, 4:44 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a7b8f998ec8190ace2de8d909f1062 |
completed | March 4, 2026, 4:45 a.m. |
Created at: March 1, 2026, 7:38 p.m.