Jacob’s Well
E803647
Jacob’s Well is a famous natural spring and underwater cave system in Wimberley, Texas, known for its clear water, scenic swimming hole, and popular diving spot.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jacob’s Well canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9501107 — 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: Jacob’s Well Context triple: [Wimberley, hasAttraction, Jacob’s Well]
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A.
Nun’s Well
Nun’s Well is a historic underground water cistern at Gibraltar’s Europa Point, traditionally used as a key freshwater source for the area.
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B.
Mary’s Well
Mary’s Well is a historic spring and pilgrimage site in Nazareth traditionally associated with the Virgin Mary and the Annunciation.
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C.
Chalybeate Spring
Chalybeate Spring is a historic iron-rich mineral spring in Royal Tunbridge Wells, England, long famed for its supposedly health-giving waters and role in the town’s development as a spa resort.
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D.
Kallichoron Well
Kallichoron Well is an ancient sacred well at Eleusis in Greece, closely associated with the Eleusinian Mysteries and the myth of Demeter’s search for Persephone.
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E.
Weeping Rock
Weeping Rock is a popular alcove and viewpoint in Zion National Park known for its continuously dripping springs and lush hanging gardens.
- 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: Jacob’s Well Target entity description: Jacob’s Well is a famous natural spring and underwater cave system in Wimberley, Texas, known for its clear water, scenic swimming hole, and popular diving spot.
-
A.
Nun’s Well
Nun’s Well is a historic underground water cistern at Gibraltar’s Europa Point, traditionally used as a key freshwater source for the area.
-
B.
Mary’s Well
Mary’s Well is a historic spring and pilgrimage site in Nazareth traditionally associated with the Virgin Mary and the Annunciation.
-
C.
Chalybeate Spring
Chalybeate Spring is a historic iron-rich mineral spring in Royal Tunbridge Wells, England, long famed for its supposedly health-giving waters and role in the town’s development as a spa resort.
-
D.
Kallichoron Well
Kallichoron Well is an ancient sacred well at Eleusis in Greece, closely associated with the Eleusinian Mysteries and the myth of Demeter’s search for Persephone.
-
E.
Weeping Rock
Weeping Rock is a popular alcove and viewpoint in Zion National Park known for its continuously dripping springs and lush hanging gardens.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
artesian spring
ⓘ
karst spring ⓘ swimming hole ⓘ tourist attraction ⓘ underwater cave system ⓘ |
| accessPolicy |
reservation required for swimming during peak season
ⓘ
swimming periodically closed due to low flow or safety concerns ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| distanceToWimberleyCenter | approximately 5 miles northwest GENERATED ⓘ |
| ecosystemType | riparian habitat ⓘ |
| environmentalConcern |
declining spring flow
ⓘ
groundwater overpumping in Trinity Aquifer ⓘ |
| feeds | Cypress Creek NERFINISHED ⓘ |
| flowRegime |
spring-fed perennial flow historically
ⓘ
subject to reduced or intermittent flow during droughts ⓘ |
| geology | limestone karst ⓘ |
| hasAmenity |
designated swimming area
ⓘ
parking area ⓘ restroom facilities ⓘ trails and overlooks ⓘ |
| hasFeature |
limestone formations
ⓘ
submerged cave passages ⓘ vertical shaft opening ⓘ |
| hasProtectionStatus | county preserve ⓘ |
| hasRegulation | life jackets recommended or required for some visitors ⓘ |
| hydrologicalRegion | Cypress Creek watershed NERFINISHED ⓘ |
| knownFor |
free-diving
ⓘ
natural spring ⓘ photography ⓘ recreational swimming ⓘ scenic swimming hole ⓘ underwater cave diving ⓘ |
| locatedIn |
Hays County, Texas
NERFINISHED
ⓘ
Texas Hill Country NERFINISHED ⓘ Wimberley, Texas NERFINISHED ⓘ |
| managedBy | Hays County Parks Department NERFINISHED ⓘ |
| nearbyCity | Wimberley, Texas NERFINISHED ⓘ |
| partOf | Jacob’s Well Natural Area NERFINISHED ⓘ |
| recreationActivity |
free-diving
ⓘ
hiking nearby trails ⓘ snorkeling ⓘ swimming ⓘ |
| riskLevel | hazardous for cave diving ⓘ |
| safetyPolicy | no public access to deep cave diving for general visitors ⓘ |
| supportsSpecies | aquatic plants and fish typical of Texas Hill Country springs ⓘ |
| waterClarity | clear ⓘ |
| waterSource | Trinity Aquifer NERFINISHED ⓘ |
| waterType | spring water ⓘ |
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: Jacob’s Well Description of subject: Jacob’s Well is a famous natural spring and underwater cave system in Wimberley, Texas, known for its clear water, scenic swimming hole, and popular diving spot.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.