Blue stained glass known as "Bleu de Chartres"
E613526
Bleu de Chartres is the famously deep, luminous blue stained glass of Chartres Cathedral, renowned as one of the most striking and historically significant colors in medieval glass art.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Blue stained glass known as "Bleu de Chartres" canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6713198 — 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: Blue stained glass known as "Bleu de Chartres" Context triple: [Chartres, cathedralNotableFeature, Blue stained glass known as "Bleu de Chartres"]
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A.
Stained Glass
"Stained Glass" is a Cold War espionage novel in William F. Buckley Jr.'s Blackford Oakes series, following the CIA agent's covert operations in divided Germany.
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B.
West Rose Window of Notre-Dame de Paris
The West Rose Window of Notre-Dame de Paris is a monumental 13th-century Gothic stained-glass window famed for its intricate radial design and vivid biblical imagery that floods the cathedral’s nave with colored light.
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C.
Rose window
A rose window is a large, circular stained-glass window with intricate tracery, commonly found in Gothic cathedrals and churches.
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D.
Venetian glass
Venetian glass is a renowned style of artistic glassware, traditionally handcrafted on the island of Murano near Venice, celebrated for its intricate designs, vibrant colors, and exceptional craftsmanship.
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E.
Segré-en-Anjou Bleu
Segré-en-Anjou Bleu is a commune in western France’s Maine-et-Loire department, known for its historic town of Segré and its location within the Anjou region.
- 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: Blue stained glass known as "Bleu de Chartres" Target entity description: Bleu de Chartres is the famously deep, luminous blue stained glass of Chartres Cathedral, renowned as one of the most striking and historically significant colors in medieval glass art.
-
A.
Stained Glass
"Stained Glass" is a Cold War espionage novel in William F. Buckley Jr.'s Blackford Oakes series, following the CIA agent's covert operations in divided Germany.
-
B.
West Rose Window of Notre-Dame de Paris
The West Rose Window of Notre-Dame de Paris is a monumental 13th-century Gothic stained-glass window famed for its intricate radial design and vivid biblical imagery that floods the cathedral’s nave with colored light.
-
C.
Rose window
A rose window is a large, circular stained-glass window with intricate tracery, commonly found in Gothic cathedrals and churches.
-
D.
Venetian glass
Venetian glass is a renowned style of artistic glassware, traditionally handcrafted on the island of Murano near Venice, celebrated for its intricate designs, vibrant colors, and exceptional craftsmanship.
-
E.
Segré-en-Anjou Bleu
Segré-en-Anjou Bleu is a commune in western France’s Maine-et-Loire department, known for its historic town of Segré and its location within the Anjou region.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
cultural heritage element
ⓘ
stained glass color ⓘ |
| artForm | stained glass ⓘ |
| artPeriod | medieval art ⓘ |
| associatedWith |
Chartres Cathedral
NERFINISHED
ⓘ
Gothic architecture NERFINISHED ⓘ Marian iconography ⓘ |
| colorant |
copper compounds
ⓘ
metallic oxides ⓘ |
| colorType | blue ⓘ |
| country | France ⓘ |
| culturalSignificance |
iconic example of medieval stained glass craftsmanship
ⓘ
reference point for discussions of medieval color technology ⓘ |
| distinctFrom |
modern synthetic blue pigments
ⓘ
surface-painted blue glass ⓘ |
| heritageStatus | part of the artistic heritage of Chartres Cathedral ⓘ |
| historicalPeriod |
12th century
ⓘ
13th century ⓘ High Middle Ages ⓘ |
| influenced | later stained glass color palettes ⓘ |
| languageOfName | French ⓘ |
| lightEffect | colored illumination of cathedral interior ⓘ |
| lightSourceDependency | sunlight ⓘ |
| locatedIn |
Chartres Cathedral
NERFINISHED
ⓘ
Chartres, France NERFINISHED ⓘ |
| material | soda-lime glass ⓘ |
| notableFor |
deep blue color
ⓘ
historical significance in glass art ⓘ intensity of color ⓘ luminous appearance ⓘ |
| perceivedAs |
mysterious
ⓘ
profound ⓘ radiant ⓘ |
| productionMethod |
colored in the glass mass
ⓘ
medieval glassmaking techniques ⓘ |
| recognizedAs |
emblematic color of Chartres Cathedral
ⓘ
one of the most famous blues in stained glass history ⓘ |
| studiedBy |
art historians
ⓘ
conservation scientists ⓘ |
| symbolism |
Virgin Mary
NERFINISHED
ⓘ
heaven ⓘ spiritual light ⓘ |
| usedIn |
Chartres Cathedral windows
ⓘ
Gothic cathedral windows ⓘ medieval stained glass windows ⓘ |
| viewedBestFrom | interior of Chartres Cathedral NERFINISHED ⓘ |
| visualCharacteristic |
high contrast with surrounding colors
ⓘ
strong transmission of colored light ⓘ very saturated blue ⓘ |
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: Blue stained glass known as "Bleu de Chartres" Description of subject: Bleu de Chartres is the famously deep, luminous blue stained glass of Chartres Cathedral, renowned as one of the most striking and historically significant colors in medieval glass art.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.