Triple
T16669452
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Calais Branch |
E405069
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Maine Central main line |
E85633
|
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: Maine Central main line | Statement: [Calais Branch, connectsTo, Maine Central main line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maine Central main line Context triple: [Calais Branch, connectsTo, Maine Central main line]
-
A.
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.
-
B.
Maine Central Railroad
chosen
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.
-
C.
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.
-
D.
Boston–Portland main line
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.
-
E.
Bangor and Aroostook Railroad
The Bangor and Aroostook Railroad was a regional railroad in northern Maine known for hauling forest products, potatoes, and other freight across the state's rural areas.
- 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_69d8838b5fbc81908c6575c132b82e80 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e37c9fa3d081909457b1bdea1d96e0 |
completed | April 18, 2026, 12:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00c29693dc819096993d8ba0fb3d71 |
completed | May 10, 2026, 5:38 p.m. |
Created at: April 10, 2026, 5:18 a.m.