Triple
T14301895
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sarah Mildred Long Bridge |
E354583
|
entity |
| Predicate | oldBridgeCarried |
P113690
|
FINISHED |
| Object | Boston and Maine Railroad line |
E83052
|
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 line | Statement: [Sarah Mildred Long Bridge, oldBridgeCarried, Boston and Maine Railroad line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston and Maine Railroad line Context triple: [Sarah Mildred Long Bridge, oldBridgeCarried, Boston and Maine Railroad line]
-
A.
Boston and Maine Railroad main line
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–Portland main line
chosen
The Boston–Portland main line is a historic New England railroad corridor connecting Boston, Massachusetts, with Portland, Maine, that has long served as a key passenger and freight route along the region’s coast.
-
C.
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.
-
D.
Boston–Maine rail network
The Boston–Maine rail network was a regional railroad system in New England that connected major cities and towns, notably linking Boston with communities throughout Maine and neighboring states.
-
E.
New England Central Railroad
New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American 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_69d8278e17088190b328c5a9d4be74ff |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de717fc2348190bb6ba3109bd2871f |
completed | April 14, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd3d2883e081909c53170ef30b4125 |
completed | May 8, 2026, 1:32 a.m. |
Created at: April 10, 2026, 1:12 a.m.