Triple
T13974167
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Fern Rock Rail Yard |
E336140
|
entity |
| Predicate | hasAccessFrom |
P1985
|
FINISHED |
| Object |
Fern Rock Transportation Center station
Fern Rock Transportation Center station is a major SEPTA transit hub in North Philadelphia that serves as a terminal and transfer point for regional rail and subway lines.
|
E1078554
|
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: Fern Rock Transportation Center station | Statement: [SEPTA Fern Rock Rail Yard, hasAccessFrom, Fern Rock Transportation Center station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fern Rock Transportation Center station Context triple: [SEPTA Fern Rock Rail Yard, hasAccessFrom, Fern Rock Transportation Center station]
-
A.
Daybreak Parkway station
Daybreak Parkway station is a light rail stop on Utah's TRAX system serving the Daybreak community in South Jordan.
-
B.
Cedar Grove station
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
-
C.
Oakwood Heights station
Oakwood Heights station is a public transit stop serving the Oakwood neighborhood, providing local residents with access to the surrounding rail or metro network.
-
D.
Cypress Hills station
Cypress Hills station is an elevated New York City Subway station in Brooklyn serving the J and Z lines.
-
E.
Fairview Heights station
Fairview Heights station is a MetroLink light rail station in Fairview Heights, Illinois, serving as an eastern endpoint of the St. Louis metropolitan transit system.
- 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: Fern Rock Transportation Center station Triple: [SEPTA Fern Rock Rail Yard, hasAccessFrom, Fern Rock Transportation Center station]
Generated description
Fern Rock Transportation Center station is a major SEPTA transit hub in North Philadelphia that serves as a terminal and transfer point for regional rail and subway lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fern Rock Transportation Center station Target entity description: Fern Rock Transportation Center station is a major SEPTA transit hub in North Philadelphia that serves as a terminal and transfer point for regional rail and subway lines.
-
A.
Daybreak Parkway station
Daybreak Parkway station is a light rail stop on Utah's TRAX system serving the Daybreak community in South Jordan.
-
B.
Cedar Grove station
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
-
C.
Oakwood Heights station
Oakwood Heights station is a public transit stop serving the Oakwood neighborhood, providing local residents with access to the surrounding rail or metro network.
-
D.
Cypress Hills station
Cypress Hills station is an elevated New York City Subway station in Brooklyn serving the J and Z lines.
-
E.
Fairview Heights station
Fairview Heights station is a light rail stop in Inglewood, California, serving passengers on Los Angeles Metro's K Line.
- 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_69d81c61f3508190aaf2ca0dc0002c59 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2e8fd6d48190a157eae8df3a2f3a |
completed | April 14, 2026, 12:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb6504dcc81908a1dfa5a83ed7b08 |
completed | May 7, 2026, 3:57 p.m. |
| NEDg | Description generation | batch_69fcc408dc008190ae61bd7044857bb6 |
completed | May 7, 2026, 4:55 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcc4770ce48190ab8ed2bd5f669d8d |
completed | May 7, 2026, 4:57 p.m. |
Created at: April 9, 2026, 10:18 p.m.