Ivangorod
E458157
Ivangorod is a Russian border town on the Narva River, known for its medieval fortress facing the Estonian city of Narva.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ivangorod canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T4182301 — 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: Ivangorod Context triple: [Saint Petersburg Oblast, contains, Ivangorod]
-
A.
Pereiaslavl
Pereiaslavl was one of the principal urban centers of Kyivan Rus, serving as an important political, military, and cultural hub in medieval Eastern Europe.
-
B.
Votkinsk
Votkinsk is a Russian town in Udmurtia best known as the birthplace of composer Pyotr Ilyich Tchaikovsky.
-
C.
Torzhok
Torzhok is a historic town in western Russia known for its medieval architecture, traditional goldwork embroidery, and location on the Tvertsa River.
-
D.
Vsevolozhsk
Vsevolozhsk is a town in northwestern Russia that serves as an important suburban and administrative center near Saint Petersburg.
-
E.
Kostroma
Kostroma is a historic Russian city northeast of Moscow, known as part of the Golden Ring and for its well-preserved medieval architecture and monasteries.
- 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: Ivangorod Target entity description: Ivangorod is a Russian border town on the Narva River, known for its medieval fortress facing the Estonian city of Narva.
-
A.
Pereiaslavl
Pereiaslavl was one of the principal urban centers of Kyivan Rus, serving as an important political, military, and cultural hub in medieval Eastern Europe.
-
B.
Votkinsk
Votkinsk is a Russian town in Udmurtia best known as the birthplace of composer Pyotr Ilyich Tchaikovsky.
-
C.
Torzhok
Torzhok is a historic town in western Russia known for its medieval architecture, traditional goldwork embroidery, and location on the Tvertsa River.
-
D.
Vsevolozhsk
Vsevolozhsk is a town in northwestern Russia that serves as an important suburban and administrative center near Saint Petersburg.
-
E.
Kostroma
Kostroma is a historic Russian city northeast of Moscow, known as part of the Golden Ring and for its well-preserved medieval architecture and monasteries.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
border town
ⓘ
medieval fortress ⓘ town ⓘ urban locality ⓘ |
| adjacentTo | Narva NERFINISHED ⓘ |
| borderWith |
Estonia
NERFINISHED
ⓘ
European Union NERFINISHED ⓘ |
| country | Russia ⓘ |
| faces | Narva NERFINISHED ⓘ |
| foundedBy | Ivan III of Russia NERFINISHED ⓘ |
| foundedIn | 1492 ⓘ |
| hasBorderCrossingWith |
Estonia
NERFINISHED
ⓘ
Narva NERFINISHED ⓘ |
| hasCulturalConnectionWith | Narva NERFINISHED ⓘ |
| hasFortress | Ivangorod Fortress NERFINISHED ⓘ |
| hasFunction |
customs checkpoint
ⓘ
transport hub ⓘ |
| hasHeritageSite | Ivangorod Fortress NERFINISHED ⓘ |
| hasHistoricalRegion | Ingria NERFINISHED ⓘ |
| locatedIn |
Ivangorod
NERFINISHED
ⓘ
Leningrad Oblast NERFINISHED ⓘ |
| locatedInAdministrativeUnit | Kingiseppsky District NERFINISHED ⓘ |
| locatedInRegion | northwestern Russia NERFINISHED ⓘ |
| locatedInTimeZone | Moscow Time ⓘ |
| locatedOnRiver | Narva River NERFINISHED ⓘ |
| namedAfter | Ivan III of Russia NERFINISHED ⓘ |
| onOppositeBankOfRiverFrom | Narva NERFINISHED ⓘ |
| partOf | Northwestern Federal District NERFINISHED ⓘ |
| timeZoneUTCOffset | +3 ⓘ |
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: Ivangorod Description of subject: Ivangorod is a Russian border town on the Narva River, known for its medieval fortress facing the Estonian city of Narva.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.