Triple
T12922171
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BMT Culver Line |
E309150
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object | Culver Line (steam railroad era) |
E536304
|
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 (steam railroad era) | Statement: [BMT Culver Line, precededBy, Culver Line (steam railroad era)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Culver Line (steam railroad era) Context triple: [BMT Culver Line, precededBy, Culver Line (steam railroad era)]
-
A.
Culver Line
chosen
The Culver Line is a New York City Subway route in Brooklyn that primarily carries F trains between central Brooklyn neighborhoods and Manhattan via an elevated and underground corridor.
-
B.
Tonopah and Tidewater Railroad
The Tonopah and Tidewater Railroad was an early 20th-century short line that served mining regions of Nevada and California, transporting ore and supplies across the Mojave Desert.
-
C.
Sandersville Railroad
Sandersville Railroad is a shortline freight railroad based in Sandersville, Georgia, primarily serving local kaolin clay and industrial customers and connecting them to larger national rail networks.
-
D.
Pine Creek Railroad
Pine Creek Railroad is a historic narrow-gauge tourist railway in New Jersey that offers scenic train rides through Allaire State Park using vintage locomotives and rolling stock.
-
E.
Wallkill Valley Railroad
The Wallkill Valley Railroad was a historic rail line in New York’s Hudson Valley that played a key role in the region’s 19th- and early 20th-century transportation and industrial development.
- 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_69d7bdf92b588190acdf2a2291ac4590 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d971e7f6e881908c7bb12283898c80 |
completed | April 10, 2026, 9:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6af625af88190b036f97feaefe43b |
completed | May 3, 2026, 2:13 a.m. |
Created at: April 9, 2026, 5:42 p.m.