Ishibutai Kofun
E531000
Ishibutai Kofun is a large, ancient stone burial mound in Japan’s Asuka region, renowned as one of the country’s most impressive and historically significant kofun-era tombs.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Ishibutai Kofun canonical | 4 |
| Ishibutai Kofun (vicinity/region) | 1 |
| 石舞台古墳 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5572495 — 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: Ishibutai Kofun Context triple: [Asuka, contains, Ishibutai Kofun]
-
A.
Zuihoden Mausoleum
Zuihoden Mausoleum is an ornate, richly decorated burial complex in Sendai dedicated to Date Masamune, the powerful feudal lord who founded the city.
-
B.
Sakai Mozu Kofun Group
The Sakai Mozu Kofun Group is a cluster of massive ancient burial mounds, including some of the world’s largest keyhole-shaped tombs, dating from Japan’s Kofun period and recognized as a UNESCO World Heritage Site.
-
C.
Musashi Imperial Mausolea Complex
Musashi Imperial Mausolea Complex is a historic burial site in Tokyo that houses the tombs of several Japanese emperors and imperial family members.
-
D.
Koyasan Okunoin
Koyasan Okunoin is one of Japan’s most sacred Buddhist sites, a vast forest cemetery and pilgrimage destination on Mount Koya associated with the revered monk Kobo Daishi.
-
E.
Fushimi Momoyama Mausoleum
Fushimi Momoyama Mausoleum is an imperial burial site in Kyoto, Japan, known as the final resting place of Emperor Meiji and Empress Shōken.
- 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: Ishibutai Kofun Target entity description: Ishibutai Kofun is a large, ancient stone burial mound in Japan’s Asuka region, renowned as one of the country’s most impressive and historically significant kofun-era tombs.
-
A.
Zuihoden Mausoleum
Zuihoden Mausoleum is an ornate, richly decorated burial complex in Sendai dedicated to Date Masamune, the powerful feudal lord who founded the city.
-
B.
Sakai Mozu Kofun Group
The Sakai Mozu Kofun Group is a cluster of massive ancient burial mounds, including some of the world’s largest keyhole-shaped tombs, dating from Japan’s Kofun period and recognized as a UNESCO World Heritage Site.
-
C.
Musashi Imperial Mausolea Complex
Musashi Imperial Mausolea Complex is a historic burial site in Tokyo that houses the tombs of several Japanese emperors and imperial family members.
-
D.
Koyasan Okunoin
Koyasan Okunoin is one of Japan’s most sacred Buddhist sites, a vast forest cemetery and pilgrimage destination on Mount Koya associated with the revered monk Kobo Daishi.
-
E.
Fushimi Momoyama Mausoleum
Fushimi Momoyama Mausoleum is an imperial burial site in Kyoto, Japan, known as the final resting place of Emperor Meiji and Empress Shōken.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
kofun ⓘ tumulus ⓘ |
| associatedWith | Soga no Umako ⓘ |
| constructionStartTime | early 7th century ⓘ |
| country | Japan ⓘ |
| culture |
Japanese ancient burial culture
ⓘ
Yamato polity ⓘ |
| currentForm | exposed stone chamber without full mound ⓘ |
| era |
Asuka period
ⓘ
linked to:
Yamato period
Kofun period ⓘ |
| etymology | named for appearance resembling a stone stage ⓘ |
| hasPart |
corridor-style burial chamber
ⓘ
earthen mound ⓘ entrance passage ⓘ horizontal stone chamber ⓘ megalithic stone chamber ⓘ stone ceiling ⓘ stone side walls ⓘ |
| height | approximately 7 meters ⓘ |
| heritageDesignation |
National Historic Site of Japan
ⓘ
Special Historic Site of Japan ⓘ |
| length | approximately 50 meters ⓘ |
| locatedIn |
Asuka
ⓘ
Asuka Historical National Government Park ⓘ Asuka region ⓘ
linked to:
Asuka area
Asuka village ⓘ
linked to:
Asuka-mura
Honshu ⓘ Kansai region ⓘ Nara Prefecture ⓘ |
| materialUsed |
granite megaliths
ⓘ
stone ⓘ |
| nameMeaning | stone stage ⓘ |
| nearby |
Asuka-dera
ⓘ
Kitora Tumulus ⓘ
linked to:
Takamatsuzuka Kofun
Takamatsuzuka Kofun ⓘ |
| notableFeature |
exposed stone chamber visible from outside
ⓘ
one of the largest megalithic tomb chambers in Japan ⓘ roof stones weighing tens of tons each ⓘ |
| numberOfStones | approximately 30 megaliths ⓘ |
| openingToPublic | 20th century ⓘ |
| possibleBurialOf | Soga no Umako ⓘ |
| publicAccess | yes ⓘ |
| shape | originally keyhole-shaped mound ⓘ |
| significance |
important example of late kofun-period elite tomb
ⓘ
major archaeological site in Asuka region ⓘ symbol of transition from kofun period to Asuka period ⓘ |
| touristAttraction | yes ⓘ |
| width | approximately 40 meters ⓘ |
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: Ishibutai Kofun Description of subject: Ishibutai Kofun is a large, ancient stone burial mound in Japan’s Asuka region, renowned as one of the country’s most impressive and historically significant kofun-era tombs.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ishibutai Kofun