UP-NW
E549093
UP-NW is the abbreviation used by Metra for its Union Pacific Northwest commuter rail line serving Chicago and its northwestern suburbs.
All labels observed (3)
| Label | Occurrences |
|---|---|
| UP-N | 1 |
| UP-NW canonical | 1 |
| UP-NW: CLY | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5814382 — 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: UP-NW Context triple: [Metra Union Pacific Northwest Line, lineNumber, UP-NW]
-
A.
UP-W
UP-W is the service designation used by Metra for its Union Pacific West commuter rail line in the Chicago metropolitan area.
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B.
NW3
NW3 is a North West London postcode district covering affluent areas such as Hampstead and Belsize Park.
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C.
NW4
NW4 is a northwest London postal district covering Hendon and its surrounding areas.
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D.
N.W.
N.W. is the standard legal citation abbreviation for the North Western Reporter, a regional case law reporter covering appellate decisions from several Midwestern U.S. states.
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E.
UP 200
UP 200 is a prominent mid-distance sled dog race held annually in Michigan’s Upper Peninsula, attracting mushers and teams from across North America.
- 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: UP-NW Target entity description: UP-NW is the abbreviation used by Metra for its Union Pacific Northwest commuter rail line serving Chicago and its northwestern suburbs.
-
A.
UP-W
UP-W is the service designation used by Metra for its Union Pacific West commuter rail line in the Chicago metropolitan area.
-
B.
NW3
NW3 is a North West London postcode district covering affluent areas such as Hampstead and Belsize Park.
-
C.
NW4
NW4 is a northwest London postal district covering Hendon and its surrounding areas.
-
D.
N.W.
N.W. is the standard legal citation abbreviation for the North Western Reporter, a regional case law reporter covering appellate decisions from several Midwestern U.S. states.
-
E.
UP 200
UP 200 is a prominent mid-distance sled dog race held annually in Michigan’s Upper Peninsula, attracting mushers and teams from across North America.
- F. None of above. chosen
Statements (34)
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: UP-NW Description of subject: UP-NW is the abbreviation used by Metra for its Union Pacific Northwest commuter rail line serving Chicago and its northwestern suburbs.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: UP-NW
linked to: UP-NW