Sakurada Gate
E77388
Sakurada Gate is a historic fortified entrance to the Tokyo Imperial Palace grounds, known for its role in Japan’s Edo-period defenses and as the site of notable historical events.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Sakurada Gate canonical | 3 |
| Sakurada-mon | 3 |
| Hanzōmon Gate | 2 |
| Sakuradamon Gate | 2 |
| Hanzomon Gate of the Imperial Palace | 1 |
| Sakurada-mon Gate | 1 |
| 桜田門 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T601882 — 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: Sakurada Gate Context triple: [Tokyo Imperial Palace, hasPart, Sakurada Gate]
-
A.
Kitanomaru Park
Kitanomaru Park is a public park in central Tokyo known for its historic grounds, museums, and tranquil green spaces adjacent to the Tokyo Imperial Palace.
-
B.
The Japanese Bridge
The Japanese Bridge is a celebrated series of Impressionist paintings by Claude Monet depicting the arched footbridge over the water-lily pond in his garden at Giverny.
-
C.
Asakusa
Asakusa is a historic district in Tokyo best known for its ancient Sensō-ji Temple, traditional shopping streets, and preserved old-town atmosphere.
-
D.
Namba Marui
Namba Marui is a major Marui department store and shopping complex located in Osaka’s bustling Namba district, known for its fashion, dining, and entertainment options.
-
E.
Nijūbashi Bridge
Nijūbashi Bridge is a famous pair of arched bridges at the main entrance to Tokyo’s Imperial Palace, known as one of Japan’s most iconic and photographed landmarks.
- 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: Sakurada Gate Target entity description: Sakurada Gate is a historic fortified entrance to the Tokyo Imperial Palace grounds, known for its role in Japan’s Edo-period defenses and as the site of notable historical events.
-
A.
Kitanomaru Park
Kitanomaru Park is a public park in central Tokyo known for its historic grounds, museums, and tranquil green spaces adjacent to the Tokyo Imperial Palace.
-
B.
The Japanese Bridge
The Japanese Bridge is a celebrated series of Impressionist paintings by Claude Monet depicting the arched footbridge over the water-lily pond in his garden at Giverny.
-
C.
Asakusa
Asakusa is a historic district in Tokyo best known for its ancient Sensō-ji Temple, traditional shopping streets, and preserved old-town atmosphere.
-
D.
Namba Marui
Namba Marui is a major Marui department store and shopping complex located in Osaka’s bustling Namba district, known for its fashion, dining, and entertainment options.
-
E.
Nijūbashi Bridge
Nijūbashi Bridge is a famous pair of arched bridges at the main entrance to Tokyo’s Imperial Palace, known as one of Japan’s most iconic and photographed landmarks.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
castle gate
ⓘ
fortification ⓘ historic site ⓘ |
| accessibleFrom | Sakuradamon Station ⓘ |
| architecturalStyle | Japanese castle gate architecture ⓘ |
| associatedWith | Ii Naosuke ⓘ |
| builtFor | Edo Castle defenses ⓘ |
| city | Tokyo ⓘ |
| country | Japan ⓘ |
| currentUse | monument and ceremonial entrance ⓘ |
| eventDescription | Assassination of Tairō Ii Naosuke outside the gate in 1860 ⓘ |
| functionDuringEdoPeriod | outer defensive gate of Edo Castle ⓘ |
| hasFeature |
massive stone walls
ⓘ
moat-side fortification ⓘ turreted gatehouse ⓘ |
| hasJapaneseName |
Sakurada Gate
self-linksurface differs
ⓘ
surface form:
桜田門
|
| hasLiteralMeaning | Cherry Field Gate ⓘ |
| hasPhotographicSubject | popular spot for viewing stone walls and moat ⓘ |
| hasRomanization |
Sakurada Gate
self-linksurface differs
ⓘ
surface form:
Sakurada-mon
|
| hasViewOf |
Imperial Palace grounds
ⓘ
surface form:
Imperial Palace outer moat
Kasumigaseki ⓘ
surface form:
Kasumigaseki government buildings
|
| heritageStatus |
Important Cultural Properties of Japan
ⓘ
surface form:
Important Cultural Property of Japan
|
| historicalEra | Tokugawa shogunate ⓘ |
| isOneOf | outer gates of Edo Castle ⓘ |
| locatedIn |
Chiyoda, Tokyo, Japan
ⓘ
surface form:
Chiyoda, Tokyo
Kokyo Gaien National Garden ⓘ Tokyo ⓘ Tokyo Imperial Palace grounds ⓘ |
| locatedNear |
Hibiya district
ⓘ
Kasumigaseki ⓘ
surface form:
Kasumigaseki government district
|
| maintainedBy | Imperial Household Agency ⓘ |
| materialUsed |
stone
ⓘ
wood ⓘ |
| nearbyTransport |
Tokyo Metro Yurakuchō Line
ⓘ
surface form:
Tokyo Metro Yurakucho Line
|
| notableEventDate | 1860 ⓘ |
| notableEventSite |
February 26 Incident
ⓘ
surface form:
Sakuradamon Incident
|
| overlooks | Sakurada-bori moat ⓘ |
| ownedBy | Government of Japan ⓘ |
| partOf |
Tokyo Imperial Palace
ⓘ
Edo Castle ⓘ
surface form:
former Edo Castle
|
| periodOfConstruction | Edo period ⓘ |
| protectedBy | Agency for Cultural Affairs of Japan ⓘ |
| region | Kantō region ⓘ |
| surroundedBy | public parkland ⓘ |
| touristAttraction | yes ⓘ |
| usedAs |
defensive gate
ⓘ
formal entrance ⓘ |
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: Sakurada Gate Description of subject: Sakurada Gate is a historic fortified entrance to the Tokyo Imperial Palace grounds, known for its role in Japan’s Edo-period defenses and as the site of notable historical events.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hanzomon Gate of the Imperial Palace
this entity surface form:
桜田門
this entity surface form:
Sakurada-mon
this entity surface form:
Hanzōmon Gate
this entity surface form:
Hanzōmon Gate
this entity surface form:
Sakurada-mon Gate
this entity surface form:
Sakuradamon Gate
this entity surface form:
Sakurada-mon
this entity surface form:
Sakurada-mon
this entity surface form:
Sakuradamon Gate