Lac de Saint-Ferréol
E92722
Lac de Saint-Ferréol is a historic artificial reservoir in southern France, built in the 17th century to feed the Canal du Midi and now a popular recreational lake.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lac de Saint-Ferréol canonical | 8 |
| Bassin de Saint-Ferréol | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T717532 — 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: Lac de Saint-Ferréol Context triple: [Occitanie, hasNotableLake, Lac de Saint-Ferréol]
-
A.
Lac du Salagou
Lac du Salagou is an artificial lake in southern France renowned for its striking red-soil landscapes, outdoor recreation, and geological interest.
-
B.
Lake Annecy
Lake Annecy is a picturesque alpine lake in southeastern France, renowned for its clear turquoise waters, surrounding mountains, and popular recreational activities.
-
C.
Lake Geneva
Lake Geneva is a large crescent-shaped lake on the north side of the Alps, shared by Switzerland and France and renowned for its scenic beauty and surrounding cities like Geneva and Lausanne.
-
D.
Lake Neuchâtel
Lake Neuchâtel is the largest lake entirely within Switzerland, located in the French-speaking western part of the country and known for its scenic shores and surrounding vineyards.
-
E.
Lake Jacomo
Lake Jacomo is a large recreational reservoir in Jackson County, Missouri, popular for boating, fishing, and outdoor activities within the Fleming Park area.
- 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: Lac de Saint-Ferréol Target entity description: Lac de Saint-Ferréol is a historic artificial reservoir in southern France, built in the 17th century to feed the Canal du Midi and now a popular recreational lake.
-
A.
Lac du Salagou
Lac du Salagou is an artificial lake in southern France renowned for its striking red-soil landscapes, outdoor recreation, and geological interest.
-
B.
Lake Annecy
Lake Annecy is a picturesque alpine lake in southeastern France, renowned for its clear turquoise waters, surrounding mountains, and popular recreational activities.
-
C.
Lake Geneva
Lake Geneva is a large crescent-shaped lake on the north side of the Alps, shared by Switzerland and France and renowned for its scenic beauty and surrounding cities like Geneva and Lausanne.
-
D.
Lake Neuchâtel
Lake Neuchâtel is the largest lake entirely within Switzerland, located in the French-speaking western part of the country and known for its scenic shores and surrounding vineyards.
-
E.
Lake Jacomo
Lake Jacomo is a large recreational reservoir in Jackson County, Missouri, popular for boating, fishing, and outdoor activities within the Fleming Park area.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
historic monument ⓘ reservoir ⓘ |
| basinCountry | France ⓘ |
| constructionStartDate | 1667 ⓘ |
| country | France ⓘ |
| designedBy |
Sébastien Le Prestre de Vauban
ⓘ
surface form:
Marshall Sebastien de Vauban
Pierre-Paul Riquet ⓘ |
| elevation | about 365 metres above sea level ⓘ |
| feeds | Canal du Midi ⓘ |
| hasActivity |
hiking
ⓘ
sailing ⓘ windsurfing ⓘ |
| hasBeach | supervised bathing area in summer ⓘ |
| hasFacility |
parking areas
ⓘ
picnic areas ⓘ restaurants ⓘ water sports centre ⓘ |
| hasMuseum | Musée du Lac de Saint-Ferréol ⓘ |
| hasPart |
beaches
ⓘ
earth dam ⓘ spillway ⓘ walking paths ⓘ wooded shores ⓘ |
| heritageDesignation |
Monument historique of France
ⓘ
UNESCO World Heritage Site component ⓘ |
| inception | 17th century ⓘ |
| locatedIn |
Haute-Garonne
ⓘ
Occitanie ⓘ Southern France ⓘ
surface form:
southern France
|
| locatedInMountainRange |
Montagne Noire
ⓘ
surface form:
Montagne Noire foothills
|
| locatedNear |
Canal du Midi
ⓘ
Revel ⓘ Sorèze ⓘ |
| maximumDepth | about 35 metres ⓘ |
| namedAfter | Saint Ferréol ⓘ |
| nearbyCity | Toulouse ⓘ |
| partOf |
Canal du Midi
ⓘ
surface form:
Canal du Midi water system
|
| purpose | water supply for Canal du Midi ⓘ |
| region | Lauragais ⓘ |
| surfaceArea | about 0.67 square kilometres ⓘ |
| touristAttraction | yes ⓘ |
| use |
boating
ⓘ
fishing ⓘ irrigation ⓘ recreation ⓘ swimming ⓘ |
| volume | about 6 million cubic metres ⓘ |
| watercourse | Laudot ⓘ |
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: Lac de Saint-Ferréol Description of subject: Lac de Saint-Ferréol is a historic artificial reservoir in southern France, built in the 17th century to feed the Canal du Midi and now a popular recreational lake.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bassin de Saint-Ferréol