Marsh Run
E1005455
Marsh Run is a small stream in the Antietam Creek watershed that serves as one of its left-bank tributaries in the Mid-Atlantic region of the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Marsh Run canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12242433 — 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: Marsh Run Context triple: [Antietam Creek, hasLeftTributary, Marsh Run]
-
A.
Winters Run
Winters Run is a stream in Harford County, Maryland, that serves as a tributary of the Bush River and a notable local waterway for recreation and wildlife habitat.
-
B.
Stony Run
Stony Run is a small urban stream in Baltimore, Maryland, that flows through parkland and residential neighborhoods before joining the Jones Falls.
-
C.
Fresh Creek
Fresh Creek is a tidal waterway and marshy inlet located within the Jamaica Bay ecosystem in Brooklyn, New York City.
-
D.
Fresh Creek
Fresh Creek is a small settlement and administrative hub located on Andros Island in the Bahamas.
-
E.
Herring Run
Herring Run is a small stream in the Baltimore County area of Maryland that serves as a local tributary and natural feature near Towson.
- 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: Marsh Run Target entity description: Marsh Run is a small stream in the Antietam Creek watershed that serves as one of its left-bank tributaries in the Mid-Atlantic region of the United States.
-
A.
Winters Run
Winters Run is a stream in Harford County, Maryland, that serves as a tributary of the Bush River and a notable local waterway for recreation and wildlife habitat.
-
B.
Stony Run
Stony Run is a small urban stream in Baltimore, Maryland, that flows through parkland and residential neighborhoods before joining the Jones Falls.
-
C.
Fresh Creek
Fresh Creek is a tidal waterway and marshy inlet located within the Jamaica Bay ecosystem in Brooklyn, New York City.
-
D.
Fresh Creek
Fresh Creek is a small settlement and administrative hub located on Andros Island in the Bahamas.
-
E.
Herring Run
Herring Run is a small stream in the Baltimore County area of Maryland that serves as a local tributary and natural feature near Towson.
- F. None of above. chosen
Statements (8)
| Predicate | Object |
|---|---|
| instanceOf |
stream
ⓘ
tributary ⓘ |
| bankPosition | left-bank tributary ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| locatedInRegion | Mid-Atlantic region of the United States NERFINISHED ⓘ |
| locatedInWatershed | Antietam Creek watershed NERFINISHED ⓘ |
| tributaryOf | Antietam Creek NERFINISHED ⓘ |
| watercourseType | small stream ⓘ |
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: Marsh Run Description of subject: Marsh Run is a small stream in the Antietam Creek watershed that serves as one of its left-bank tributaries in the Mid-Atlantic region of the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.