Rocky Mountain Division
E612552
The Rocky Mountain Division was a mountainous segment of the Chicago, Milwaukee, St. Paul and Pacific Railroad (the Milwaukee Road) renowned for its challenging grades, tunnels, and scenic electrified mainline through the Rockies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rocky Mountain Division canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6692318 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rocky Mountain Division Context triple: [Milwaukee Road, electrifiedDivision, Rocky Mountain Division]
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A.
Mountain Division
Mountain Division was a scenic and historically significant rail line of the Maine Central Railroad that traversed the rugged terrain of western Maine and New Hampshire’s White Mountains.
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B.
Western Division
Western Division was one of the National Hockey League’s early divisional groupings, created during the league’s expansion era to organize teams primarily located in the western regions of North America.
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C.
Western Division
The Western Division was one of the two regional groupings of teams in the American Basketball Association during the 1967–68 season.
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D.
Western Division
The Western Division is a regional branch of the United States District Court for the Central District of California that handles federal cases arising from a designated portion of the district’s geographic jurisdiction.
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E.
Western Division
The Western Division is a regional subdivision of the United States District Court for the District of Massachusetts that handles federal cases arising from the western part of the state.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Rocky Mountain Division Target entity description: The Rocky Mountain Division was a mountainous segment of the Chicago, Milwaukee, St. Paul and Pacific Railroad (the Milwaukee Road) renowned for its challenging grades, tunnels, and scenic electrified mainline through the Rockies.
-
A.
Mountain Division
Mountain Division was a scenic and historically significant rail line of the Maine Central Railroad that traversed the rugged terrain of western Maine and New Hampshire’s White Mountains.
-
B.
Western Division
Western Division was one of the National Hockey League’s early divisional groupings, created during the league’s expansion era to organize teams primarily located in the western regions of North America.
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C.
Western Division
Western Division is a regional subdivision of the United States District Court for the District of South Dakota that handles federal cases arising from the western portion of the state.
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D.
Western Division
The Western Division is a regional branch of the United States District Court for the Northern District of Ohio that handles federal cases arising from the western portion of the district.
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E.
Western Division
The Western Division is a regional subdivision of the United States District Court for the Western District of Tennessee that handles federal cases arising from its designated portion of the district.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
operating division of the Milwaukee Road
ⓘ
railroad division ⓘ |
| alsoKnownAs | Rockies Division NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrificationSystem | overhead catenary ⓘ |
| electrified | true ⓘ |
| feature |
electrified mainline
ⓘ
mountainous grades ⓘ scenic route ⓘ tunnels ⓘ |
| gauge | standard gauge ⓘ |
| geographicFeature | Rocky Mountains NERFINISHED ⓘ |
| historicalEra | 20th century ⓘ |
| knownFor |
challenging grades
ⓘ
electric locomotive operation ⓘ heavy freight operations ⓘ long tunnels ⓘ scenic passenger operations ⓘ |
| locatedIn | Rocky Mountains NERFINISHED ⓘ |
| operatedBy | Chicago, Milwaukee, St. Paul and Pacific Railroad NERFINISHED ⓘ |
| operationalChallenge |
harsh winter conditions
ⓘ
mountain tunneling ⓘ steep grades ⓘ |
| parentCompany | Chicago, Milwaukee, St. Paul and Pacific Railroad NERFINISHED ⓘ |
| partOf | Chicago, Milwaukee, St. Paul and Pacific Railroad NERFINISHED ⓘ |
| partOfRoute | Milwaukee Road Pacific Extension NERFINISHED ⓘ |
| passesThrough |
Idaho
NERFINISHED
ⓘ
Montana NERFINISHED ⓘ |
| railroadCompany | Milwaukee Road NERFINISHED ⓘ |
| railroadNetworkRole | mainline segment ⓘ |
| railroadType |
freight railroad
ⓘ
passenger railroad ⓘ |
| region | U.S. Pacific Northwest interior ⓘ |
| scenic | true ⓘ |
| shortName | Rocky Mountain Division NERFINISHED ⓘ |
| status | defunct ⓘ |
| terrain | mountainous ⓘ |
| usesTechnology |
diesel locomotives
ⓘ
electric traction ⓘ steam locomotives ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Rocky Mountain Division Description of subject: The Rocky Mountain Division was a mountainous segment of the Chicago, Milwaukee, St. Paul and Pacific Railroad (the Milwaukee Road) renowned for its challenging grades, tunnels, and scenic electrified mainline through the Rockies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.