Triple
T2921863
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | N |
E78744
|
entity |
| Predicate | lineUsed |
P6301
|
FINISHED |
| Object | Culver Line (in some service patterns historically) |
E38208
|
NE FINISHED |
How this triple was built (2 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: Culver Line (in some service patterns historically) | Statement: [N, lineUsed, Culver Line (in some service patterns historically)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Culver Line (in some service patterns historically) Context triple: [N, lineUsed, Culver Line (in some service patterns historically)]
-
A.
IND Culver Line (subway portion)
chosen
The IND Culver Line (subway portion) is a New York City Subway rapid transit line in Brooklyn that carries F trains through a series of underground and elevated stations between central Brooklyn and Coney Island.
-
B.
Arrow (San Bernardino–Redlands) service
Arrow (San Bernardino–Redlands) service is a Southern California commuter rail line connecting San Bernardino and Redlands as part of the Metrolink regional rail network.
-
C.
Burlington Route commuter service
Burlington Route commuter service was the historic Chicago-area commuter rail operation of the Chicago, Burlington and Quincy Railroad that later evolved into today’s Metra BNSF Railway Line.
-
D.
G Line (Denver commuter rail)
The G Line is a commuter rail service in the Denver metropolitan area that connects Union Station in downtown Denver with the western suburbs, including Wheat Ridge and Arvada.
-
E.
Heritage Corridor line
The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ad8b0c2ad081909ff87050ae542bb9 |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad97bbcc7081908a79053be35ca02e |
completed | March 8, 2026, 3:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b056344ca48190b4d14dd2c1ac643d |
completed | March 10, 2026, 5:34 p.m. |
Created at: March 8, 2026, 2:54 p.m.