Triple
T13328800
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Guilford Rail System |
E317511
|
entity |
| Predicate | acquiredRailroad |
P76977
|
FINISHED |
| Object | Boston and Maine Corporation |
E11243
|
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: Boston and Maine Corporation | Statement: [Guilford Rail System, acquiredRailroad, Boston and Maine Corporation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston and Maine Corporation Context triple: [Guilford Rail System, acquiredRailroad, Boston and Maine Corporation]
-
A.
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.
-
B.
Old Colony Railroad
Old Colony Railroad was a prominent 19th-century New England railroad company that operated extensive passenger and freight services primarily in southeastern Massachusetts and Rhode Island.
-
C.
Maine Central Railroad
Maine Central Railroad was a major New England railroad that operated extensive freight and passenger services across Maine and neighboring states from the 19th through the 20th century.
-
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.
New York, Providence and Boston Railroad
The New York, Providence and Boston Railroad was a 19th-century rail line in southern New England that connected New York City with Providence and Boston as part of the region’s early intercity rail network.
- 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_69d806b4d62c81908d4ced1665414be5 |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69dadcd4cb008190af99c4856e76ac08 |
completed | April 11, 2026, 11:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f73979cb4081909e750e2d98869891 |
completed | May 3, 2026, 12:03 p.m. |
Created at: April 9, 2026, 9:30 p.m.