Sumida River Fireworks Festival
E784978
The Sumida River Fireworks Festival is one of Tokyo’s oldest and most famous summer hanabi events, drawing huge crowds to watch elaborate firework displays over the Sumida River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Sumida River Fireworks Festival canonical | 2 |
| Tokyo summer festivals | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9223501 — 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: Sumida River Fireworks Festival Context triple: [Sumida River, hostsEvent, Sumida River Fireworks Festival]
-
A.
Chōfu City Fireworks Festival
The Chōfu City Fireworks Festival is a popular annual summer event in Chōfu, Tokyo, featuring large-scale, choreographed fireworks displays often themed around the city’s connection to film and anime.
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B.
Gifu Fireworks Festival
The Gifu Fireworks Festival is a major summer event in Gifu, Japan, featuring large-scale fireworks displays over the Nagara River that attract thousands of spectators each year.
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C.
Biwako fireworks festival
The Biwako Fireworks Festival is a major summer event in Ōtsu, Japan, featuring large-scale fireworks displays over Lake Biwa that attract huge crowds from across the region.
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D.
Fukuyama Rose Festival
The Fukuyama Rose Festival is an annual spring event in Fukuyama City that celebrates its famed roses with parades, floral displays, performances, and community activities.
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E.
Fujiyoshida Fire Festival
The Fujiyoshida Fire Festival is a traditional late-summer event in Yamanashi Prefecture, Japan, where massive torches and bonfires are lit to symbolically calm Mount Fuji and mark the end of the climbing season.
- 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: Sumida River Fireworks Festival Target entity description: The Sumida River Fireworks Festival is one of Tokyo’s oldest and most famous summer hanabi events, drawing huge crowds to watch elaborate firework displays over the Sumida River.
-
A.
Chōfu City Fireworks Festival
The Chōfu City Fireworks Festival is a popular annual summer event in Chōfu, Tokyo, featuring large-scale, choreographed fireworks displays often themed around the city’s connection to film and anime.
-
B.
Gifu Fireworks Festival
The Gifu Fireworks Festival is a major summer event in Gifu, Japan, featuring large-scale fireworks displays over the Nagara River that attract thousands of spectators each year.
-
C.
Biwako fireworks festival
The Biwako Fireworks Festival is a major summer event in Ōtsu, Japan, featuring large-scale fireworks displays over Lake Biwa that attract huge crowds from across the region.
-
D.
Fukuyama Rose Festival
The Fukuyama Rose Festival is an annual spring event in Fukuyama City that celebrates its famed roses with parades, floral displays, performances, and community activities.
-
E.
Fujiyoshida Fire Festival
The Fujiyoshida Fire Festival is a traditional late-summer event in Yamanashi Prefecture, Japan, where massive torches and bonfires are lit to symbolically calm Mount Fuji and mark the end of the climbing season.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
annual event
ⓘ
fireworks festival ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Sumidagawa Fireworks Festival
NERFINISHED
ⓘ
Sumidagawa Hanabi Taikai NERFINISHED ⓘ |
| approximateAttendance | hundreds of thousands of spectators ⓘ |
| category |
Festivals in Tokyo
ⓘ
Fireworks festivals in Japan ⓘ Summer events in Japan ⓘ |
| city | Tokyo ⓘ |
| cityWard |
Sumida
NERFINISHED
ⓘ
Taito NERFINISHED ⓘ |
| country | Japan ⓘ |
| culturalContext | Japanese summer festival ⓘ |
| eventType | hanabi taikai ⓘ |
| frequency | annual ⓘ |
| hasFeature |
elaborate fireworks
ⓘ
food stalls ⓘ large crowds ⓘ multiple launch sites ⓘ people wearing yukata ⓘ television broadcast ⓘ viewing spots along riverbanks ⓘ |
| hasTheme |
celebration of summer
ⓘ
urban riverfront fireworks ⓘ |
| language | Japanese ⓘ |
| locatedIn |
Sumida River
NERFINISHED
ⓘ
Sumida ward NERFINISHED ⓘ Taito ward NERFINISHED ⓘ Tokyo ⓘ |
| mainAttraction | fireworks display ⓘ |
| organisedIn | summer ⓘ |
| region | Kanto NERFINISHED ⓘ |
| river | Sumida River NERFINISHED ⓘ |
| safetyMeasures |
crowd control
ⓘ
river patrols ⓘ traffic restrictions ⓘ |
| season | summer in Japan ⓘ |
| significance |
one of Japan’s most famous fireworks festivals
ⓘ
one of Tokyo’s most famous fireworks festivals ⓘ |
| timeOfDay | night ⓘ |
| typicalAttendanceRange | around one million spectators GENERATED ⓘ |
| typicalMonth | July ⓘ |
| typicalStartTime | evening ⓘ |
| viewingMethod |
from boats
ⓘ
from bridges ⓘ from riverbanks ⓘ |
| weatherDependency |
cancelled in case of severe weather
ⓘ
postponed in case of heavy rain ⓘ |
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: Sumida River Fireworks Festival Description of subject: The Sumida River Fireworks Festival is one of Tokyo’s oldest and most famous summer hanabi events, drawing huge crowds to watch elaborate firework displays over the Sumida River.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokyo summer festivals