Triple
T3975629
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maine Central Railroad |
E85633
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
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.
|
E406723
|
NE FINISHED |
How this triple was built (4 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: Bangor and Aroostook Railroad | Statement: [Maine Central Railroad, connectedTo, Bangor and Aroostook Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bangor and Aroostook Railroad Context triple: [Maine Central Railroad, connectedTo, Bangor and Aroostook Railroad]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Bangor and Aroostook Railroad Triple: [Maine Central Railroad, connectedTo, Bangor and Aroostook Railroad]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bangor and Aroostook Railroad Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Provenance (5 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_69aed93908348190a26c8aaf4fab3e86 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aef9b6d8008190822fceabe6542b3d |
completed | March 9, 2026, 4:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b54c472d048190843b29a6a9a4be86 |
completed | March 14, 2026, 11:53 a.m. |
| NEDg | Description generation | batch_69b54cd044f48190870ecc7c33cd3908 |
completed | March 14, 2026, 11:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b54d5fa6c4819089d190c4cfdb8cd0 |
completed | March 14, 2026, 11:58 a.m. |
Created at: March 9, 2026, 3:33 p.m.