Cobbs Creek watershed
E828839
The Cobbs Creek watershed is a drainage basin in the Philadelphia region that collects and channels water from surrounding communities into Cobbs Creek, a tributary of the Delaware River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cobbs Creek watershed canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9884905 — 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: Cobbs Creek watershed Context triple: [Lansdowne, locatedOn, Cobbs Creek watershed]
-
A.
Opequon Creek watershed
The Opequon Creek watershed is a drainage basin in the Potomac River system that collects and channels water from parts of West Virginia and Virginia through Opequon Creek and its tributaries.
-
B.
Waddell Creek watershed
The Waddell Creek watershed is a coastal drainage basin in the Santa Cruz Mountains of California, known for its redwood forests, waterfalls, and protected habitats within Big Basin Redwoods State Park.
-
C.
Cedar Creek watershed
Cedar Creek watershed is the drainage basin in southeastern Wisconsin that collects and channels surface water and runoff feeding into Cedar Creek and its connected aquatic ecosystems.
-
D.
Bull Run watershed
The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
-
E.
Mill Creek watershed
The Mill Creek watershed is the drainage basin that collects and channels all surface water flowing into Mill Creek and its tributaries, shaping the local hydrology and surrounding ecosystem.
- 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: Cobbs Creek watershed Target entity description: The Cobbs Creek watershed is a drainage basin in the Philadelphia region that collects and channels water from surrounding communities into Cobbs Creek, a tributary of the Delaware River.
-
A.
Opequon Creek watershed
The Opequon Creek watershed is a drainage basin in the Potomac River system that collects and channels water from parts of West Virginia and Virginia through Opequon Creek and its tributaries.
-
B.
Waddell Creek watershed
The Waddell Creek watershed is a coastal drainage basin in the Santa Cruz Mountains of California, known for its redwood forests, waterfalls, and protected habitats within Big Basin Redwoods State Park.
-
C.
Cedar Creek watershed
Cedar Creek watershed is the drainage basin in southeastern Wisconsin that collects and channels surface water and runoff feeding into Cedar Creek and its connected aquatic ecosystems.
-
D.
Bull Run watershed
The Bull Run watershed is a drainage basin in northern Virginia whose streams and rivers, including Bull Run, shape the local hydrology and landscape around communities such as Manassas.
-
E.
Mill Creek watershed
The Mill Creek watershed is the drainage basin that collects and channels all surface water flowing into Mill Creek and its tributaries, shaping the local hydrology and surrounding ecosystem.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
watershed ⓘ |
| collectsWaterFrom | surrounding communities in the Philadelphia region ⓘ |
| drainsInto | Cobbs Creek ⓘ |
| environmentalSignificance |
contributes stormwater runoff to Cobbs Creek
ⓘ
influences water quality in Cobbs Creek ⓘ influences water quality in the Delaware River ⓘ |
| hasHydrologicFunction |
channels surface runoff
ⓘ
collects precipitation ⓘ conveys water to Cobbs Creek ⓘ |
| hasPrimaryOutflow | Cobbs Creek ⓘ |
| hasReceivingWaterBody | Delaware River ⓘ |
| hasTributary | Cobbs Creek ⓘ |
| hasTypeOfLandUse |
suburban
ⓘ
urban ⓘ |
| hasWatercourse | Cobbs Creek ⓘ |
| hydrologicalFeatureOf | Cobbs Creek ⓘ |
| isPartOfRegionalSystem |
Delaware River Basin
ⓘ
linked to:
Delaware River watershed
|
| isTributaryBasinOf | Delaware River ⓘ |
| locatedIn |
Pennsylvania
ⓘ
Philadelphia region ⓘ United States ⓘ
linked to:
United States of America
|
| partiallyLocatedIn |
City of Philadelphia
ⓘ
linked to:
Philadelphia
Delaware County, Pennsylvania ⓘ |
| partOf | Delaware River watershed ⓘ |
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: Cobbs Creek watershed Description of subject: The Cobbs Creek watershed is a drainage basin in the Philadelphia region that collects and channels water from surrounding communities into Cobbs Creek, a tributary of the Delaware River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.