Plattsmouth, Nebraska
E294118
Plattsmouth, Nebraska is a small historic city in eastern Nebraska located along the Missouri River, serving as the county seat of Cass County within the Omaha metropolitan area.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Plattsmouth, Nebraska canonical | 5 |
| Plattsmouth | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2206514 — 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: Plattsmouth, Nebraska Context triple: [U.S. Route 34, connectsCity, Plattsmouth, Nebraska]
-
A.
Springfield, Nebraska
Springfield, Nebraska is a small city in eastern Nebraska that functions as part of the Omaha metropolitan area and serves as a local community hub within Sarpy County.
-
B.
Norfolk, Nebraska
Norfolk, Nebraska is a small city in northeastern Nebraska known as a regional hub for commerce, healthcare, and education in the surrounding rural area.
-
C.
North Platte, Nebraska
North Platte, Nebraska is a small city in western Nebraska known as a major rail transportation center and home to one of the world’s largest railroad classification yards.
-
D.
Kearney, Nebraska
Kearney, Nebraska is a mid-sized city in south-central Nebraska known as a regional hub for education, commerce, and transportation along Interstate 80.
-
E.
Columbus, Nebraska
Columbus, Nebraska is a small city in eastern Nebraska known as a regional hub for manufacturing, agriculture, and transportation along the Loup River.
- 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: Plattsmouth, Nebraska Target entity description: Plattsmouth, Nebraska is a small historic city in eastern Nebraska located along the Missouri River, serving as the county seat of Cass County within the Omaha metropolitan area.
-
A.
Springfield, Nebraska
Springfield, Nebraska is a small city in eastern Nebraska that functions as part of the Omaha metropolitan area and serves as a local community hub within Sarpy County.
-
B.
Norfolk, Nebraska
Norfolk, Nebraska is a small city in northeastern Nebraska known as a regional hub for commerce, healthcare, and education in the surrounding rural area.
-
C.
North Platte, Nebraska
North Platte, Nebraska is a small city in western Nebraska known as a major rail transportation center and home to one of the world’s largest railroad classification yards.
-
D.
Kearney, Nebraska
Kearney, Nebraska is a mid-sized city in south-central Nebraska known as a regional hub for education, commerce, and transportation along Interstate 80.
-
E.
Columbus, Nebraska
Columbus, Nebraska is a small city in eastern Nebraska known as a regional hub for manufacturing, agriculture, and transportation along the Loup River.
- F. None of above. chosen
Statements (29)
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: Plattsmouth, Nebraska Description of subject: Plattsmouth, Nebraska is a small historic city in eastern Nebraska located along the Missouri River, serving as the county seat of Cass County within the Omaha metropolitan area.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Plattsmouth