Illinois River (Arkansas) basin
E601743
The Illinois River (Arkansas) basin is a watershed in northwestern Arkansas and northeastern Oklahoma that collects runoff from the Boston Mountains and surrounding highlands before flowing westward toward the Arkansas River system.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Illinois River basin | 3 |
| Illinois River (Arkansas) basin canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6604395 — 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: Illinois River (Arkansas) basin Context triple: [Boston Mountains, drainage, Illinois River (Arkansas) basin]
-
A.
Yazoo River basin
The Yazoo River basin is a major drainage area in northwestern Mississippi that collects waters from the Yazoo River and its tributaries before they flow into the Mississippi River.
-
B.
Rock River basin
The Rock River basin is the watershed region in the Upper Midwest of the United States that collects and channels water flowing into the Rock River and its tributaries.
-
C.
Illinois Valley
Illinois Valley is a rural river valley region in southwestern Oregon known for its forests, outdoor recreation, and small communities near the Illinois River.
-
D.
Lower Mississippi River basin
The Lower Mississippi River basin is the southernmost portion of the Mississippi River drainage system, encompassing the river’s broad floodplain and delta region as it flows toward and empties into the Gulf of Mexico.
-
E.
Illinois River
The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
- 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: Illinois River (Arkansas) basin Target entity description: The Illinois River (Arkansas) basin is a watershed in northwestern Arkansas and northeastern Oklahoma that collects runoff from the Boston Mountains and surrounding highlands before flowing westward toward the Arkansas River system.
-
A.
Yazoo River basin
The Yazoo River basin is a major drainage area in northwestern Mississippi that collects waters from the Yazoo River and its tributaries before they flow into the Mississippi River.
-
B.
Rock River basin
The Rock River basin is the watershed region in the Upper Midwest of the United States that collects and channels water flowing into the Rock River and its tributaries.
-
C.
Illinois Valley
Illinois Valley is a rural river valley region in southwestern Oregon known for its forests, outdoor recreation, and small communities near the Illinois River.
-
D.
Lower Mississippi River basin
The Lower Mississippi River basin is the southernmost portion of the Mississippi River drainage system, encompassing the river’s broad floodplain and delta region as it flows toward and empties into the Gulf of Mexico.
-
E.
Illinois River
The Illinois River is a principal waterway in the U.S. state of Illinois that serves as a key tributary of the Mississippi River and an important route for transportation, commerce, and recreation.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
river basin
ⓘ
watershed ⓘ |
| averageAnnualPrecipitation | approximately 40–50 inches ⓘ |
| contains |
Flint Creek (Oklahoma)
NERFINISHED
ⓘ
Illinois River (Arkansas) NERFINISHED ⓘ Lake Tenkiller watershed NERFINISHED ⓘ Mud Creek (Arkansas) NERFINISHED ⓘ Osage Creek (Arkansas) NERFINISHED ⓘ Sager Creek NERFINISHED ⓘ Town Branch (Arkansas) NERFINISHED ⓘ |
| containsHabitat |
freshwater mussels
ⓘ
riparian forests ⓘ warmwater stream fishes ⓘ |
| containsProtectedArea | Ozark National Forest (downstream fringe and headwaters vicinity) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Adair County, Oklahoma
NERFINISHED
ⓘ
Benton County, Arkansas NERFINISHED ⓘ Cherokee County, Oklahoma NERFINISHED ⓘ Washington County, Arkansas NERFINISHED ⓘ |
| drainsFrom |
Boston Mountains
NERFINISHED
ⓘ
Ozark Plateau NERFINISHED ⓘ |
| ecoregion | Ozark Highlands ecoregion NERFINISHED ⓘ |
| environmentalIssue |
nutrient pollution
ⓘ
phosphorus loading ⓘ water quality impairment ⓘ |
| flowsToward | Arkansas River system NERFINISHED ⓘ |
| hasClimate | humid subtropical climate ⓘ |
| hydrologicallyConnectedTo | Illinois River (Arkansas) NERFINISHED ⓘ |
| locatedIn |
northeastern Oklahoma
ⓘ
northwestern Arkansas NERFINISHED ⓘ |
| majorLandUse |
forestry
ⓘ
pasture ⓘ poultry production ⓘ urban development ⓘ |
| managedBy |
Arkansas Department of Environmental Quality
NERFINISHED
ⓘ
Oklahoma Department of Environmental Quality NERFINISHED ⓘ |
| monitoredBy | U.S. Geological Survey NERFINISHED ⓘ |
| partOf | Illinois River (Arkansas) watershed NERFINISHED ⓘ |
| primaryPollutionSources |
animal agriculture
ⓘ
municipal wastewater discharges ⓘ urban stormwater runoff ⓘ |
| subjectOf | Arkansas–Oklahoma phosphorus litigation NERFINISHED ⓘ |
| supports |
canoeing
ⓘ
recreational fishing ⓘ swimming ⓘ |
| tributaryOf | Arkansas River system NERFINISHED ⓘ |
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: Illinois River (Arkansas) basin Description of subject: The Illinois River (Arkansas) basin is a watershed in northwestern Arkansas and northeastern Oklahoma that collects runoff from the Boston Mountains and surrounding highlands before flowing westward toward the Arkansas River system.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Illinois River basin
this entity surface form:
Illinois River basin
subject surface form:
Salt Creek (Illinois)
this entity surface form:
Illinois River basin