William O’Brien State Park
E738154
William O’Brien State Park is a popular Minnesota state park along the St. Croix River known for its wooded trails, camping, and river-based recreation.
All labels observed (1)
| Label | Occurrences |
|---|---|
| William O’Brien State Park canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8011630 — 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: William O’Brien State Park Context triple: [Washington County, Minnesota, hasPark, William O’Brien State Park]
-
A.
Paul M. Grist State Park
Paul M. Grist State Park is a public recreation area in Alabama known for its scenic lake, fishing, boating, and hiking opportunities.
-
B.
Guy W. Talbot State Park
Guy W. Talbot State Park is a scenic Oregon state park in the Columbia River Gorge known for its lush forested landscape and access to Latourell Falls.
-
C.
John Bryan State Park
John Bryan State Park is a scenic Ohio state park known for its deep limestone gorge carved by the Little Miami River, offering hiking, rock climbing, and camping near Yellow Springs.
-
D.
Eugene T. Mahoney State Park
Eugene T. Mahoney State Park is a popular Nebraska state park along the Platte River known for its year-round recreation facilities, including cabins, a lodge, trails, and family-friendly attractions.
-
E.
Audra State Park
Audra State Park is a scenic riverside recreation area in Barbour and Upshur counties, West Virginia, known for its wooded trails, campground, and sandstone formations along the Middle Fork 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: William O’Brien State Park Target entity description: William O’Brien State Park is a popular Minnesota state park along the St. Croix River known for its wooded trails, camping, and river-based recreation.
-
A.
Paul M. Grist State Park
Paul M. Grist State Park is a public recreation area in Alabama known for its scenic lake, fishing, boating, and hiking opportunities.
-
B.
Guy W. Talbot State Park
Guy W. Talbot State Park is a scenic Oregon state park in the Columbia River Gorge known for its lush forested landscape and access to Latourell Falls.
-
C.
John Bryan State Park
John Bryan State Park is a scenic Ohio state park known for its deep limestone gorge carved by the Little Miami River, offering hiking, rock climbing, and camping near Yellow Springs.
-
D.
Eugene T. Mahoney State Park
Eugene T. Mahoney State Park is a popular Nebraska state park along the Platte River known for its year-round recreation facilities, including cabins, a lodge, trails, and family-friendly attractions.
-
E.
Audra State Park
Audra State Park is a scenic riverside recreation area in Barbour and Upshur counties, West Virginia, known for its wooded trails, campground, and sandstone formations along the Middle Fork River.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | state park ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| designation | Minnesota state park ⓘ |
| hasActivity |
birdwatching
ⓘ
camping ⓘ canoeing ⓘ cross-country skiing ⓘ fishing ⓘ hiking ⓘ kayaking ⓘ snowshoeing ⓘ |
| hasCampingType |
camper cabins
ⓘ
drive-in campsites ⓘ group campsites ⓘ |
| hasEcosystem |
hardwood forest
ⓘ
river floodplain ⓘ |
| hasFacility |
parking areas
ⓘ
visitor center ⓘ |
| hasFeature |
St. Croix River shoreline
ⓘ
campgrounds ⓘ picnic areas ⓘ prairie areas ⓘ wetlands ⓘ wooded trails ⓘ |
| hasRecreation |
boating access to St. Croix River
ⓘ
swimming beach ⓘ |
| hasRegulation | requires vehicle permit for entry ⓘ |
| hasSeason | year-round use ⓘ |
| hasTrailType |
hiking trails
ⓘ
ski trails ⓘ snowshoe trails ⓘ |
| hasWaterBody | St. Croix River NERFINISHED ⓘ |
| hasWildlife |
songbirds
ⓘ
waterfowl ⓘ white-tailed deer ⓘ |
| isPopularFor |
day use
ⓘ
river-based recreation ⓘ weekend camping ⓘ |
| locatedIn |
Minnesota
ⓘ
Washington County, Minnesota NERFINISHED ⓘ |
| locatedNear | Marine on St. Croix, Minnesota NERFINISHED ⓘ |
| locatedOnRiver | St. Croix River NERFINISHED ⓘ |
| namedAfter | William O’Brien NERFINISHED ⓘ |
| openTo | public ⓘ |
| operatedBy | Minnesota Department of Natural Resources NERFINISHED ⓘ |
| partOf | Minnesota state park 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: William O’Brien State Park Description of subject: William O’Brien State Park is a popular Minnesota state park along the St. Croix River known for its wooded trails, camping, and river-based recreation.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.