Triple
T2135848
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Newton Highlands station |
E46650
|
entity |
| Predicate | hasFormerService |
P3388
|
FINISHED |
| Object | Boston and Worcester Railroad |
E233762
|
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 Worcester Railroad | Statement: [Newton Highlands station, hasFormerService, Boston and Worcester Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston and Worcester Railroad Context triple: [Newton Highlands station, hasFormerService, Boston and Worcester Railroad]
-
A.
Boston and Lowell Railroad
The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
-
B.
Fitchburg Railroad
The Fitchburg Railroad was a historic New England rail line that operated across Massachusetts and into Vermont, later becoming part of the Boston and Maine Railroad system.
-
C.
Boston and Maine Railroad
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.
-
D.
Boston and Albany Railroad
chosen
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.
-
E.
Fitchburg Line
The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
- 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_69a88a174ab48190a5db20c132e5dccf |
completed | March 4, 2026, 7:37 p.m. |
| NER | Named-entity recognition | batch_69abbdc4ce8c81908d143d5451681e6a |
completed | March 7, 2026, 5:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae6aee10b08190abeb6059d4d2ad0a |
completed | March 9, 2026, 6:38 a.m. |
Created at: March 4, 2026, 7:44 p.m.