White Nights
E4169
White Nights is a natural phenomenon in St. Petersburg where, around the summer solstice, the sun barely sets and the city remains bathed in twilight almost all night.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Belye nochi | 1 |
| White Nights canonical | 1 |
| White Nights Festival | 1 |
| White Nights of Saint Petersburg | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T46760 — 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: White Nights Context triple: [St. Petersburg, knownFor, White Nights]
-
A.
Once Again
Once Again is John Legend's Grammy-winning second studio album, known for its soulful blend of R&B, pop, and neo-soul.
-
B.
This I Remember
"This I Remember" is Eleanor Roosevelt’s autobiographical memoir recounting her life, public service, and experiences as First Lady of the United States.
-
C.
Blue Room
The Blue Room is an oval-shaped ceremonial reception room on the first floor of the White House, traditionally decorated in blue and used for formal gatherings and receiving guests.
-
D.
All of Me
"All of Me" is a 2013 piano-driven R&B ballad by John Legend that became one of his signature love songs and a global hit.
-
E.
My Day
"My Day" is a widely read syndicated newspaper column written by Eleanor Roosevelt, in which she shared her daily activities, political views, and advocacy for social justice from 1935 to 1962.
- 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: White Nights Target entity description: White Nights is a natural phenomenon in St. Petersburg where, around the summer solstice, the sun barely sets and the city remains bathed in twilight almost all night.
-
A.
Once Again
Once Again is John Legend's Grammy-winning second studio album, known for its soulful blend of R&B, pop, and neo-soul.
-
B.
This I Remember
"This I Remember" is Eleanor Roosevelt’s autobiographical memoir recounting her life, public service, and experiences as First Lady of the United States.
-
C.
Blue Room
The Blue Room is an oval-shaped ceremonial reception room on the first floor of the White House, traditionally decorated in blue and used for formal gatherings and receiving guests.
-
D.
All of Me
"All of Me" is a 2013 piano-driven R&B ballad by John Legend that became one of his signature love songs and a global hit.
-
E.
My Day
"My Day" is a widely read syndicated newspaper column written by Eleanor Roosevelt, in which she shared her daily activities, political views, and advocacy for social justice from 1935 to 1962.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
cultural event period
ⓘ
natural phenomenon ⓘ tourist attraction ⓘ |
| attracts |
domestic tourists
ⓘ
international tourists ⓘ |
| hasApproximateEnd | mid July ⓘ |
| hasApproximateStart | late May ⓘ |
| hasCause |
Earth axial tilt
ⓘ
high latitude of Saint Petersburg ⓘ |
| hasEffect |
city remains in twilight almost all night
ⓘ
extended daylight hours ⓘ sun barely sets ⓘ very short night ⓘ |
| hasLatitudeCondition | high northern latitude ⓘ |
| hasLocalName |
White Nights
self-linksurface differs
ⓘ
surface form:
Belye nochi
|
| hasLocalNameLanguage | Russian ⓘ |
| hasLocation |
Russia
ⓘ
St. Petersburg ⓘ
surface form:
Saint Petersburg
|
| hasPeak | around 21 June ⓘ |
| hasPerceptualQuality |
blueish night light
ⓘ
twilight illumination ⓘ |
| influences |
city nightlife schedule
ⓘ
cultural programming in Saint Petersburg ⓘ |
| isAssociatedWith |
Neva River
ⓘ
White Nights self-linksurface differs ⓘ
surface form:
White Nights Festival
bridge openings on the Neva ⓘ cultural festivals ⓘ increased tourism ⓘ nighttime city walks ⓘ |
| isCharacteristicOf | Saint Petersburg climate ⓘ |
| isKnownFor |
bright night sky
ⓘ
photogenic cityscapes ⓘ romantic atmosphere ⓘ |
| isRelatedTo |
civil twilight
ⓘ
nautical twilight ⓘ polar day ⓘ |
| isSeason | early summer in Saint Petersburg ⓘ |
| isSubjectOf |
literature about Saint Petersburg
ⓘ
photography ⓘ tourist guides ⓘ |
| isTypeOf | midnight sun–related phenomenon ⓘ |
| occursAnnually | true ⓘ |
| occursInHemisphere | Northern Hemisphere ⓘ |
| occursNear | summer solstice ⓘ |
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: White Nights Description of subject: White Nights is a natural phenomenon in St. Petersburg where, around the summer solstice, the sun barely sets and the city remains bathed in twilight almost all night.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
White Nights Festival
this entity surface form:
Belye nochi
this entity surface form:
White Nights of Saint Petersburg