Ann Arbor Railroad (original)
E125687
The Ann Arbor Railroad (original) was a regional railroad in Michigan and Ohio that operated from the late 19th century into the 20th century, known for its north–south route and car ferry operations across Lake Michigan.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ann Arbor Railroad | 2 |
| Ann Arbor Railroad (modern shortline) | 1 |
| Ann Arbor Railroad (original) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1092789 — 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: Ann Arbor Railroad (original) Context triple: [Conrail, precededBy, Ann Arbor Railroad (original)]
-
A.
Grand Rapids and Indiana Railroad
The Grand Rapids and Indiana Railroad was a historic rail line in the Midwestern United States that connected southern Michigan and northern Indiana to resort and timber regions along Lake Michigan and into northern Michigan.
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B.
Lake Shore and Michigan Southern Railway
The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
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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.
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D.
Pan Handle Railway
The Pan Handle Railway was a 19th-century American railroad whose lines later became part of the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad system.
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E.
Irondale rail yard
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
- 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: Ann Arbor Railroad (original) Target entity description: The Ann Arbor Railroad (original) was a regional railroad in Michigan and Ohio that operated from the late 19th century into the 20th century, known for its north–south route and car ferry operations across Lake Michigan.
-
A.
Grand Rapids and Indiana Railroad
The Grand Rapids and Indiana Railroad was a historic rail line in the Midwestern United States that connected southern Michigan and northern Indiana to resort and timber regions along Lake Michigan and into northern Michigan.
-
B.
Lake Shore and Michigan Southern Railway
The Lake Shore and Michigan Southern Railway was a major 19th-century American railroad that formed a key part of the New York Central system, linking the Great Lakes region with the Eastern United States.
-
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.
Pan Handle Railway
The Pan Handle Railway was a 19th-century American railroad whose lines later became part of the Pittsburgh, Cincinnati, Chicago and St. Louis Railroad system.
-
E.
Irondale rail yard
Irondale rail yard is a major freight rail facility in Irondale, Alabama, serving as a key hub for train operations, switching, and cargo handling in the region.
- F. None of above. chosen
Statements (43)
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: Ann Arbor Railroad (original) Description of subject: The Ann Arbor Railroad (original) was a regional railroad in Michigan and Ohio that operated from the late 19th century into the 20th century, known for its north–south route and car ferry operations across Lake Michigan.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ann Arbor Railroad (original)
linked to: Ann Arbor Railroad (original)
subject linked to:
CR
linked to: Ann Arbor Railroad (original)