Lake Stymphalus
E476497
Lake Stymphalus is a lake in the northeastern Peloponnese of Greece, famed in Greek mythology as the setting of Heracles’ labor involving the man-eating Stymphalian Birds.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lake Stymphalus canonical | 2 |
| Lake Stymphalia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4886403 — 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: Lake Stymphalus Context triple: [Stymphalian Birds, habitat, Lake Stymphalus]
-
A.
Lake Orestiada
Lake Orestiada is a picturesque freshwater lake in northern Greece, renowned for encircling the historic town of Kastoria and attracting visitors with its natural beauty and birdlife.
-
B.
Lake Koroneia
Lake Koroneia is a shallow, ecologically significant lake in northern Greece that has suffered severe environmental degradation due to pollution and water mismanagement.
-
C.
Lake Plastiras
Lake Plastiras is an artificial reservoir in central Greece, renowned for its scenic mountain setting and role in irrigation, hydroelectric power, and tourism.
-
D.
Lake Volvi
Lake Volvi is a large freshwater lake in northern Greece, known for its ecological importance and scenic setting east of Thessaloniki.
-
E.
Lake Polyfytos
Lake Polyfytos is a large artificial reservoir on the Aliakmon River in northern Greece, known for its hydroelectric dam and scenic bridge connecting parts of Western Macedonia.
- 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: Lake Stymphalus Target entity description: Lake Stymphalus is a lake in the northeastern Peloponnese of Greece, famed in Greek mythology as the setting of Heracles’ labor involving the man-eating Stymphalian Birds.
-
A.
Lake Orestiada
Lake Orestiada is a picturesque freshwater lake in northern Greece, renowned for encircling the historic town of Kastoria and attracting visitors with its natural beauty and birdlife.
-
B.
Lake Koroneia
Lake Koroneia is a shallow, ecologically significant lake in northern Greece that has suffered severe environmental degradation due to pollution and water mismanagement.
-
C.
Lake Plastiras
Lake Plastiras is an artificial reservoir in central Greece, renowned for its scenic mountain setting and role in irrigation, hydroelectric power, and tourism.
-
D.
Lake Volvi
Lake Volvi is a large freshwater lake in northern Greece, known for its ecological importance and scenic setting east of Thessaloniki.
-
E.
Lake Polyfytos
Lake Polyfytos is a large artificial reservoir on the Aliakmon River in northern Greece, known for its hydroelectric dam and scenic bridge connecting parts of Western Macedonia.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
lake
ⓘ
mythological location ⓘ |
| appearsIn | Greek mythology NERFINISHED ⓘ |
| associatedPeriod | Classical antiquity (mythic tradition) ⓘ |
| associatedWith |
Heracles
NERFINISHED
ⓘ
Stymphalian Birds NERFINISHED ⓘ |
| category |
Lakes of Greece
ⓘ
Landforms of the Peloponnese ⓘ Locations in Greek mythology ⓘ Mythological lakes ⓘ |
| country | Greece ⓘ |
| culturalSignificance | site of heroic myth in classical literature ⓘ |
| describedAs | haunt of man-eating birds in myth ⓘ |
| drainageType | karst basin ⓘ |
| ecoregion | Mediterranean climate zone ⓘ |
| GreekName | Λίμνη Στυμφαλία NERFINISHED ⓘ |
| hasConservationInterest | important wetland for birds ⓘ |
| hasCoordinateRegion | southern Greece NERFINISHED ⓘ |
| hasFeature |
seasonally varying water level
ⓘ
wetland habitats ⓘ |
| hasNearbyArchaeologicalSite | ancient city of Stymphalos NERFINISHED ⓘ |
| hydrologicalSystem | closed basin with underground drainage ⓘ |
| knownFor |
Heracles’ sixth labor
NERFINISHED
ⓘ
Stymphalian Birds myth ⓘ |
| languageOfToponym | Greek ⓘ |
| locatedIn |
Arcadia
NERFINISHED
ⓘ
Peloponnese ⓘ Peloponnese region of Greece NERFINISHED ⓘ northeastern Peloponnese ⓘ regional unit of Corinthia ⓘ |
| locatedNear | village of Stymfalia ⓘ |
| locatedOnContinent | Europe ⓘ |
| mythologicalEventLocation | Heracles’ labor of the Stymphalian Birds NERFINISHED ⓘ |
| nearbyMountainRange |
Mount Kyllini region
ⓘ
Oligyrtos mountains NERFINISHED ⓘ |
| partOf |
Greek mainland
ⓘ
Stymfalia basin NERFINISHED ⓘ |
| referencedIn | ancient Greek sources about Heracles ⓘ |
| tourismType |
mythology-related tourism destination
ⓘ
nature tourism destination ⓘ |
| waterType | freshwater lake ⓘ |
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: Lake Stymphalus Description of subject: Lake Stymphalus is a lake in the northeastern Peloponnese of Greece, famed in Greek mythology as the setting of Heracles’ labor involving the man-eating Stymphalian Birds.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lake Stymphalia