Triple
T13157729
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Exeter station |
E312633
|
entity |
| Predicate | locatedOnRailwayCorridor |
P57554
|
FINISHED |
| Object | Pan Am Railways main line (former Boston and Maine Railroad main line) |
E675555
|
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: Pan Am Railways main line (former Boston and Maine Railroad main line) | Statement: [Exeter station, locatedOnRailwayCorridor, Pan Am Railways main line (former Boston and Maine Railroad main line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pan Am Railways main line (former Boston and Maine Railroad main line) Context triple: [Exeter station, locatedOnRailwayCorridor, Pan Am Railways main line (former Boston and Maine Railroad main line)]
-
A.
Boston and Maine Railroad main line
chosen
The Boston and Maine Railroad main line was a major New England rail corridor that formed the core route of the Boston and Maine Railroad, connecting Boston with key cities and towns across northern Massachusetts and beyond.
-
B.
Boston and Maine Railroad branch line
The Boston and Maine Railroad branch line was a regional rail route in New England that once provided local passenger and freight service through towns such as Sandown, New Hampshire.
-
C.
Burlington Northern Santa Fe Railway main line
The Burlington Northern Santa Fe Railway main line is a major transcontinental freight rail corridor in the United States that carries heavy rail traffic across key western routes, including the desert region near Needles, California.
-
D.
Norfolk Southern Railway main line
The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
-
E.
Canadian National Railway main line
The Canadian National Railway main line is a major transcontinental rail corridor in Canada that carries significant freight and passenger traffic across key regions of the country.
- 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_69d806aabde48190899e13e41659cae5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98c084028819093bc4e94d53b4f17 |
completed | April 10, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6eaf06f408190949f9ed5e899815b |
completed | May 3, 2026, 6:28 a.m. |
Created at: April 9, 2026, 9:12 p.m.