Triple
T6036062
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Andover station |
E134423
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | Boston and Maine Railroad |
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 Railroad | Statement: [Andover station, formerOperator, Boston and Maine Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston and Maine Railroad Context triple: [Andover station, formerOperator, Boston and Maine Railroad]
-
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.
Boston and Worcester Railroad
The Boston and Worcester Railroad was one of the early 19th-century rail lines in Massachusetts that connected Boston with the inland city of Worcester, helping spur regional industrial and suburban development.
-
E.
Boston and Albany Railroad
The Boston and Albany Railroad was a historic rail line that connected Boston, Massachusetts to Albany, New York, playing a major role in 19th- and early 20th-century transportation and commerce in the region.
- 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_69c00875db5c819099dd5bb833ec43c2 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c056b4e3ec819089b2d119ea2953fe |
completed | March 22, 2026, 8:53 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c1138cb2388190a80562a835388dc3 |
completed | March 23, 2026, 10:18 a.m. |
Created at: March 22, 2026, 4:08 p.m.