Nine Mile Run greenway
E602449
Nine Mile Run greenway is an urban green corridor and restored natural area in Pittsburgh that provides trails, recreation space, and ecological habitat along the Nine Mile Run stream.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Nine Mile Run greenway canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6506819 — 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: Nine Mile Run greenway Context triple: [Swisshelm Park, hasLandmark, Nine Mile Run greenway]
-
A.
Four Mile Run Trail
Four Mile Run Trail is a multi-use recreational path in Northern Virginia that follows Four Mile Run stream, linking parks, neighborhoods, and other major regional trails.
-
B.
Mingo Creek Greenway
Mingo Creek Greenway is a multi-use recreational trail in Knightdale, North Carolina, offering walking, running, and biking paths along Mingo Creek and connecting to the regional greenway network.
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C.
Anacostia Riverwalk Trail
The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
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D.
Pennypack Trail
Pennypack Trail is a multi-use recreational path in southeastern Pennsylvania that follows the scenic Pennypack Creek corridor for walking, running, and cycling.
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E.
Potomac Yard Trail
Potomac Yard Trail is a multi-use urban path in Alexandria, Virginia, popular with cyclists and pedestrians and running through the redeveloped Potomac Yard area.
- 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: Nine Mile Run greenway Target entity description: Nine Mile Run greenway is an urban green corridor and restored natural area in Pittsburgh that provides trails, recreation space, and ecological habitat along the Nine Mile Run stream.
-
A.
Four Mile Run Trail
Four Mile Run Trail is a multi-use recreational path in Northern Virginia that follows Four Mile Run stream, linking parks, neighborhoods, and other major regional trails.
-
B.
Mingo Creek Greenway
Mingo Creek Greenway is a multi-use recreational trail in Knightdale, North Carolina, offering walking, running, and biking paths along Mingo Creek and connecting to the regional greenway network.
-
C.
Anacostia Riverwalk Trail
The Anacostia Riverwalk Trail is a multi-use recreational path in Washington, D.C., that connects parks, neighborhoods, and waterfront areas along the Anacostia River.
-
D.
Pennypack Trail
Pennypack Trail is a multi-use recreational path in southeastern Pennsylvania that follows the scenic Pennypack Creek corridor for walking, running, and cycling.
-
E.
Potomac Yard Trail
Potomac Yard Trail is a multi-use urban path in Alexandria, Virginia, popular with cyclists and pedestrians and running through the redeveloped Potomac Yard area.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
restored natural area
ⓘ
urban greenway ⓘ |
| adjacentTo |
former industrial and brownfield sites
ⓘ
residential neighborhoods of Pittsburgh ⓘ |
| connectsTo | Monongahela River via Nine Mile Run ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| ecologicalFunction |
erosion control
ⓘ
stormwater management ⓘ water quality improvement ⓘ wildlife habitat ⓘ |
| follows | Nine Mile Run NERFINISHED ⓘ |
| hasConservationGoal |
enhancement of urban biodiversity
ⓘ
restoration of native ecosystems ⓘ |
| hasEducationGoal | public awareness of watershed issues ⓘ |
| hasFeature |
interpretive signage
ⓘ
multi‑use trails ⓘ native vegetation plantings ⓘ overlooks ⓘ pedestrian bridges ⓘ restored stream channel ⓘ riparian corridor ⓘ wetland areas ⓘ |
| hasPart |
ecological habitat
ⓘ
recreation space ⓘ trails ⓘ |
| hasRecreationGoal | providing urban outdoor recreation ⓘ |
| hasUse |
biking
ⓘ
environmental education ⓘ hiking ⓘ nature observation ⓘ |
| isPartOf | Pittsburgh parks and greenways system NERFINISHED ⓘ |
| locatedIn |
Frick Park
NERFINISHED
ⓘ
Pittsburgh, Pennsylvania ⓘ |
| managedBy | City of Pittsburgh NERFINISHED ⓘ |
| managedInPartBy | Nine Mile Run Watershed Association NERFINISHED ⓘ |
| partOf | Nine Mile Run watershed NERFINISHED ⓘ |
| primaryWatercourse | Nine Mile Run stream NERFINISHED ⓘ |
| publicAccess | yes ⓘ |
| restorationType |
brownfield reclamation
ⓘ
habitat restoration ⓘ urban stream restoration ⓘ |
| supports |
amphibian species
ⓘ
aquatic invertebrates ⓘ bird species ⓘ |
| terrainType | stream valley ⓘ |
| urbanContext | former heavily degraded urban stream corridor ⓘ |
| vegetationType |
meadow plantings
ⓘ
riparian forest ⓘ |
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: Nine Mile Run greenway Description of subject: Nine Mile Run greenway is an urban green corridor and restored natural area in Pittsburgh that provides trails, recreation space, and ecological habitat along the Nine Mile Run stream.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Swisshelm Park