Triple
T21576718
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brunswick Station |
E532412
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Pan Am Railways Brunswick Branch |
—
|
NE NERFINISHED |
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: Pan Am Railways Brunswick Branch | Statement: [Brunswick Station, railwayLine, Pan Am Railways Brunswick Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pan Am Railways Brunswick Branch Context triple: [Brunswick Station, railwayLine, Pan Am Railways Brunswick Branch]
-
A.
Buckingham Branch Railroad
The Buckingham Branch Railroad is a Virginia-based shortline freight railroad that also hosts passenger service, notably providing trackage for Amtrak’s Cardinal route through the state.
-
B.
Montour Railroad
Montour Railroad was a historic short-line coal-hauling railroad in western Pennsylvania that served mines and industries around the Pittsburgh area.
-
C.
Chesterfield Railroad
The Chesterfield Railroad was one of the earliest commercial railroads in the United States, built in the 1830s to transport coal from the mines around present-day Midlothian, Virginia, to the James River.
-
D.
South Side Railroad
South Side Railroad was a key 19th-century rail line in Virginia that linked the strategic transportation hub of Petersburg with Richmond and other points west, playing an important role in regional commerce and Civil War logistics.
-
E.
Brunswick rail yard
chosen
Brunswick rail yard is a railway facility in Brunswick, Maine, used for storing, assembling, and servicing trains that operate through Brunswick station.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c4618bec8190bcb0feb74568cbb1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9d07ddc8190a4bba08223e56f46 |
completed | April 27, 2026, 4:45 a.m. |
Created at: April 16, 2026, 6:31 p.m.