Logan River
E881702
Logan River is a mountain-fed river in northern Utah known for flowing through Logan Canyon and providing popular opportunities for fishing, kayaking, and other outdoor recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Logan River canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6132682 — 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: Logan River Context triple: [Cache County, Utah, contains, Logan River]
-
A.
Logan River
Logan River is a major waterway in southeastern Queensland, Australia, flowing through rural and urban areas before emptying into Moreton Bay.
-
B.
Reynolds River
Reynolds River is a watercourse in Australia's Northern Territory that flows through the rugged landscapes and waterfalls of Litchfield National Park.
-
C.
McKenzie River
The McKenzie River is a major, cold, clear river in western Oregon renowned for its scenic beauty, recreation opportunities, and role in supplying water and hydroelectric power.
-
D.
Robinson River
Robinson River is a scenic waterway in Madison County, Virginia, known for its trout fishing, rural landscapes, and role as a tributary within the Rapidan–Rappahannock river system.
-
E.
Strickland River
Strickland River is a major river in Papua New Guinea that flows through remote rainforest regions before joining the Fly River system.
- 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: Logan River Target entity description: Logan River is a mountain-fed river in northern Utah known for flowing through Logan Canyon and providing popular opportunities for fishing, kayaking, and other outdoor recreation.
-
A.
Logan River
Logan River is a major waterway in southeastern Queensland, Australia, flowing through rural and urban areas before emptying into Moreton Bay.
-
B.
Reynolds River
Reynolds River is a watercourse in Australia's Northern Territory that flows through the rugged landscapes and waterfalls of Litchfield National Park.
-
C.
McKenzie River
The McKenzie River is a major, cold, clear river in western Oregon renowned for its scenic beauty, recreation opportunities, and role in supplying water and hydroelectric power.
-
D.
Robinson River
Robinson River is a scenic waterway in Madison County, Virginia, known for its trout fishing, rural landscapes, and role as a tributary within the Rapidan–Rappahannock river system.
-
E.
Strickland River
Strickland River is a major river in Papua New Guinea that flows through remote rainforest regions before joining the Fly River system.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinArea |
approximately 270 square miles
ⓘ
approximately 700 square kilometers ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy | U.S. Route 89 NERFINISHED ⓘ |
| fishSpecies |
brown trout
ⓘ
cutthroat trout ⓘ rainbow trout ⓘ |
| flowsThrough |
Logan Canyon
NERFINISHED
ⓘ
Logan, Utah NERFINISHED ⓘ Wasatch Range NERFINISHED ⓘ |
| hasFeature | Logan Canyon Scenic Byway corridor NERFINISHED ⓘ |
| hasHazard | spring runoff flooding potential ⓘ |
| knownFor |
cold, clear water
ⓘ
kayaking ⓘ outdoor recreation ⓘ scenic canyon ⓘ steep gradient ⓘ trout fishing ⓘ whitewater boating ⓘ |
| length |
approximately 39 miles
ⓘ
approximately 63 kilometers ⓘ |
| locatedIn | Utah ⓘ |
| locatedInCounty | Cache County, Utah NERFINISHED ⓘ |
| locatedInRegion | northern Utah NERFINISHED ⓘ |
| managesWaterFor |
irrigation in Cache Valley
ⓘ
municipal water supply for Logan area ⓘ |
| mouthLocatedIn |
Bear River
NERFINISHED
ⓘ
Cutler Reservoir NERFINISHED ⓘ |
| protectedArea | Uinta-Wasatch-Cache National Forest NERFINISHED ⓘ |
| recreationActivity |
camping along river corridor
ⓘ
fishing ⓘ fly fishing ⓘ kayaking ⓘ rafting ⓘ |
| sourceElevation | approximately 2400 meters ⓘ |
| sourceRegion |
Bear River Mountains
NERFINISHED
ⓘ
Wasatch-Cache National Forest NERFINISHED ⓘ |
| state | Utah ⓘ |
| tributaryOf | Bear River NERFINISHED ⓘ |
| watercourseType | mountain-fed river ⓘ |
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: Logan River Description of subject: Logan River is a mountain-fed river in northern Utah known for flowing through Logan Canyon and providing popular opportunities for fishing, kayaking, and other outdoor recreation.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Logan, Utah
subject surface form:
Logan, Utah