Battle of Ishibashiyama
E425070
The Battle of Ishibashiyama was an early and ultimately unsuccessful engagement in 1180 in which Minamoto no Yoritomo first raised arms against the Taira clan during Japan’s Genpei War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Ishibashiyama canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4204872 — 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: Battle of Ishibashiyama Context triple: [Genpei War, notableBattle, Battle of Ishibashiyama]
-
A.
Battle of Shiroyama
The Battle of Shiroyama was the climactic 1877 clash in which Saigō Takamori’s samurai forces were decisively defeated by the modern Imperial Japanese Army, symbolizing the end of the samurai era in Japan.
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B.
Battle of Tabaruzaka
The Battle of Tabaruzaka was a major 1877 clash in Japan between imperial government forces and samurai rebels, marking one of the bloodiest and most decisive engagements of the Satsuma Rebellion.
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C.
Battle of Anzen
The Battle of Anzen was an 838 clash between the Byzantine Empire and the Abbasid Caliphate in Anatolia, where Byzantine forces under Emperor Theophilos were defeated by troops serving Caliph al-Mu'tasim.
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D.
Battle of Toba–Fushimi
The Battle of Toba–Fushimi was a pivotal 1868 clash near Kyoto in which imperial forces decisively defeated the Tokugawa shogunate, marking a major turning point in Japan’s Meiji Restoration.
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E.
Battle of Aizu
The Battle of Aizu was a pivotal 1868 siege during Japan’s Boshin War in which imperial forces crushed the Aizu domain, marking a major step in the fall of the Tokugawa shogunate and the consolidation of Meiji rule.
- 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: Battle of Ishibashiyama Target entity description: The Battle of Ishibashiyama was an early and ultimately unsuccessful engagement in 1180 in which Minamoto no Yoritomo first raised arms against the Taira clan during Japan’s Genpei War.
-
A.
Battle of Shiroyama
The Battle of Shiroyama was the climactic 1877 clash in which Saigō Takamori’s samurai forces were decisively defeated by the modern Imperial Japanese Army, symbolizing the end of the samurai era in Japan.
-
B.
Battle of Tabaruzaka
The Battle of Tabaruzaka was a major 1877 clash in Japan between imperial government forces and samurai rebels, marking one of the bloodiest and most decisive engagements of the Satsuma Rebellion.
-
C.
Battle of Anzen
The Battle of Anzen was an 838 clash between the Byzantine Empire and the Abbasid Caliphate in Anatolia, where Byzantine forces under Emperor Theophilos were defeated by troops serving Caliph al-Mu'tasim.
-
D.
Battle of Toba–Fushimi
The Battle of Toba–Fushimi was a pivotal 1868 clash near Kyoto in which imperial forces decisively defeated the Tokugawa shogunate, marking a major turning point in Japan’s Meiji Restoration.
-
E.
Battle of Aizu
The Battle of Aizu was a pivotal 1868 siege during Japan’s Boshin War in which imperial forces crushed the Aizu domain, marking a major step in the fall of the Tokugawa shogunate and the consolidation of Meiji rule.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military conflict ⓘ |
| belligerent |
Minamoto clan
NERFINISHED
ⓘ
Taira clan NERFINISHED ⓘ |
| characterizedBy |
night attack by Taira forces
ⓘ
numerical inferiority of Minamoto forces ⓘ |
| combatantSide |
forces loyal to Minamoto no Yoritomo
ⓘ
forces loyal to the Taira clan ⓘ |
| conflictOf | Genpei War NERFINISHED ⓘ |
| conflictType | samurai battle ⓘ |
| country | Japan ⓘ |
| date | 1180 ⓘ |
| describedAs |
early engagement of the Genpei War
ⓘ
first battle of Minamoto no Yoritomo in the Genpei War ⓘ |
| era | late Heian period ⓘ |
| followedBy |
Battle of Anegawa (Genpei context not exact sequence)
ⓘ
Battle of Fujikawa NERFINISHED ⓘ |
| hasAlternativeName | Ishibashiyama no tatakai NERFINISHED ⓘ |
| hasApproximateDate | September 1180 ⓘ |
| hasCause | Minamoto uprising against Taira rule ⓘ |
| hasCommander |
Minamoto no Yoritomo
NERFINISHED
ⓘ
Ōba Kagechika NERFINISHED ⓘ |
| hasLanguageOfPrimarySources | Classical Japanese ⓘ |
| hasParticipant |
Minamoto no Yoritomo
NERFINISHED
ⓘ
Taira clan NERFINISHED ⓘ |
| historicalPeriod | Genpei War era ⓘ |
| isEarlyPhaseOf | Minamoto campaign to seize national power ⓘ |
| isInChronologyOf | Minamoto–Taira conflicts NERFINISHED ⓘ |
| location |
Ishibashiyama
NERFINISHED
ⓘ
Sagami Province NERFINISHED ⓘ near Hakone ⓘ |
| militaryTheater | Kantō region NERFINISHED ⓘ |
| notableConsequence | flight of Minamoto no Yoritomo to Awa Province ⓘ |
| notableFigureInvolved | Hōjō Tokimasa NERFINISHED ⓘ |
| opponentCommander |
Itō Sukechika
NERFINISHED
ⓘ
Ōba Kagechika NERFINISHED ⓘ |
| outcome | defeat of Minamoto no Yoritomo ⓘ |
| partOf | Genpei War NERFINISHED ⓘ |
| precededBy | Raising of Minamoto banner in 1180 NERFINISHED ⓘ |
| relatedWork | Heike Monogatari NERFINISHED ⓘ |
| result | Taira victory ⓘ |
| strategicSignificance | first open challenge by Minamoto no Yoritomo to Taira authority ⓘ |
| year | 1180 ⓘ |
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: Battle of Ishibashiyama Description of subject: The Battle of Ishibashiyama was an early and ultimately unsuccessful engagement in 1180 in which Minamoto no Yoritomo first raised arms against the Taira clan during Japan’s Genpei War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.