Triple
T19810870
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | White River Junction station |
E475939
|
entity |
| Predicate | formerService |
P1294
|
FINISHED |
| Object | Boston and Maine Railroad passenger trains |
—
|
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: Boston and Maine Railroad passenger trains | Statement: [White River Junction station, formerService, Boston and Maine Railroad passenger trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston and Maine Railroad passenger trains Context triple: [White River Junction station, formerService, Boston and Maine Railroad passenger trains]
-
A.
Amtrak Downeaster
Amtrak Downeaster is a passenger rail service operated by Amtrak that connects Boston with several communities in Maine and New Hampshire.
-
B.
Amtrak Empire Service
Amtrak Empire Service is a passenger rail route in New York State that connects New York City with upstate destinations such as Albany, Buffalo, and Niagara Falls.
-
C.
MBTA Commuter Rail coaches
MBTA Commuter Rail coaches are bi-level and single-level passenger railcars used by the Massachusetts Bay Transportation Authority to provide regional rail service across Greater Boston and surrounding areas.
-
D.
Providence and Worcester Railroad
Providence and Worcester Railroad is a regional freight railroad operating in southern New England, primarily serving industrial and commercial customers in Rhode Island, Massachusetts, Connecticut, and New York.
-
E.
Boston and Maine Railroad
chosen
The Boston and Maine Railroad was a major New England railroad that operated extensive passenger and freight services across Massachusetts, New Hampshire, Maine, and surrounding states from the 19th through the mid-20th century.
- 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_69d8e51bc4208190a1c57d8c5d1b15e4 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e6542bd7a48190acf67db41f1131c9 |
completed | April 20, 2026, 4:28 p.m. |
Created at: April 10, 2026, 1:50 p.m.