St. Vrain Creek
E418480
St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
All labels observed (7)
| Label | Occurrences |
|---|---|
| St. Vrain Creek canonical | 15 |
| North St. Vrain Creek | 1 |
| North St. Vrain Creek and South St. Vrain Creek | 1 |
| South St. Vrain Creek | 1 |
| St. Vrain | 1 |
| St. Vrain Creek watershed | 1 |
| St. Vrain Supply Canal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2919653 — 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: St. Vrain Creek Context triple: [Front Range of the Rocky Mountains, drainedBy, St. Vrain Creek]
-
A.
Fountain Creek
Fountain Creek is a stream in southeastern Colorado that flows through the Colorado Springs–Pueblo area before joining the Arkansas River.
-
B.
Gunnison River
The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
-
C.
Boulder Creek
Boulder Creek is a scenic mountain stream in Boulder, Colorado, popular for recreation such as tubing, fishing, and walking along its adjacent paths.
-
D.
South Platte River
The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
-
E.
Donner Creek
Donner Creek is a stream in the Sierra Nevada of California that drains Donner Lake and flows eastward toward the Truckee 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: St. Vrain Creek Target entity description: St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
-
A.
Fountain Creek
Fountain Creek is a stream in southeastern Colorado that flows through the Colorado Springs–Pueblo area before joining the Arkansas River.
-
B.
Gunnison River
The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
-
C.
Boulder Creek
Boulder Creek is a scenic mountain stream in Boulder, Colorado, popular for recreation such as tubing, fishing, and walking along its adjacent paths.
-
D.
South Platte River
The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
-
E.
Donner Creek
Donner Creek is a stream in the Sierra Nevada of California that drains Donner Lake and flows eastward toward the Truckee River.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
creek
ⓘ
river ⓘ tributary ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| flowsDirection | eastward ⓘ |
| flowsFrom | Rocky Mountains ⓘ |
| flowsThrough |
Boulder County, Colorado
ⓘ
linked to:
Boulder County
Weld County, Colorado ⓘ canyons ⓘ plains ⓘ |
| hasEcosystemType | riparian ⓘ |
| hasFeature |
alluvial reaches
ⓘ
canyon reaches ⓘ floodplain ⓘ |
| locatedIn |
Colorado
ⓘ
north-central Colorado ⓘ |
| mouthLocatedIn | Colorado ⓘ |
| namedFor | St. Vrain family ⓘ |
| partOf |
Mississippi River watershed
ⓘ
linked to:
Mississippi River basin
Missouri River watershed ⓘ
linked to:
Missouri River Basin
South Platte River basin ⓘ
linked to:
South Platte River
|
| region |
Front Range
ⓘ
linked to:
Front Range, Colorado
|
| supports |
local communities
ⓘ
local ecosystems ⓘ |
| tributaryOf | South Platte River ⓘ |
| usedFor |
irrigation
ⓘ
municipal water supply ⓘ recreation ⓘ |
| watercourseType | perennial 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: St. Vrain Creek Description of subject: St. Vrain Creek is a tributary of the South Platte River in north-central Colorado that flows eastward from the Rocky Mountains through canyons and plains, supporting local ecosystems and communities along its course.
Referenced by (21)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: St. Vrain Creek
linked to: St. Vrain Creek
linked to: St. Vrain Creek
subject linked to:
Longmont, Colorado, United States
subject linked to:
Longmont, Colorado, United States
linked to: St. Vrain Creek
linked to: St. Vrain Creek
linked to: St. Vrain Creek
subject linked to:
Lyons