Umihotaru
E155494
Umihotaru is a man-made island in Tokyo Bay that serves as a rest area and service complex along the Tokyo Bay Aqua-Line expressway.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Umihotaru canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1279077 — 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: Umihotaru Context triple: [Tokyo Bay, hasArtificialIsland, Umihotaru]
-
A.
Marichi
Marichi is a revered Vedic sage (one of the Saptarishi) regarded as a mind-born son of Brahma and an important progenitor in Hindu cosmology.
-
B.
Kintomo Mushakoji
Kintomo Mushakoji was a Japanese diplomat who served as a key representative of Japan’s government in the 1930s, notably involved in its alignment with Axis powers.
-
C.
Miraitowa
Miraitowa is the futuristic, blue-and-white checkered character created as the official mascot of the Tokyo 2020 Summer Olympics, symbolizing tradition, innovation, and a hopeful future.
-
D.
Uchinanchu
Uchinanchu are the indigenous Ryukyuan people of Okinawa, Japan, with a distinct language, culture, and historical identity separate from mainland Japanese.
-
E.
Ogakumonjo
Ogakumonjo is a historic structure within Kyoto Imperial Palace, traditionally associated with imperial academic or archival functions in Japan’s former capital.
- 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: Umihotaru Target entity description: Umihotaru is a man-made island in Tokyo Bay that serves as a rest area and service complex along the Tokyo Bay Aqua-Line expressway.
-
A.
Marichi
Marichi is a revered Vedic sage (one of the Saptarishi) regarded as a mind-born son of Brahma and an important progenitor in Hindu cosmology.
-
B.
Kintomo Mushakoji
Kintomo Mushakoji was a Japanese diplomat who served as a key representative of Japan’s government in the 1930s, notably involved in its alignment with Axis powers.
-
C.
Miraitowa
Miraitowa is the futuristic, blue-and-white checkered character created as the official mascot of the Tokyo 2020 Summer Olympics, symbolizing tradition, innovation, and a hopeful future.
-
D.
Uchinanchu
Uchinanchu are the indigenous Ryukyuan people of Okinawa, Japan, with a distinct language, culture, and historical identity separate from mainland Japanese.
-
E.
Ogakumonjo
Ogakumonjo is a historic structure within Kyoto Imperial Palace, traditionally associated with imperial academic or archival functions in Japan’s former capital.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
artificial island
ⓘ
rest area ⓘ roadside station ⓘ service area ⓘ |
| accessibleBy |
automobile
ⓘ
bus ⓘ |
| connectsWith |
Kawasaki
ⓘ
Kisarazu ⓘ |
| constructionType | offshore artificial island ⓘ |
| country | Japan ⓘ |
| elevationAboveSeaLevel | 0 ⓘ |
| hasCategory |
Artificial islands of Japan
ⓘ
Buildings and structures in Chiba Prefecture ⓘ Service areas of Japan ⓘ Tourist attractions in Chiba Prefecture ⓘ |
| hasFacility |
parking garage
ⓘ
restaurants ⓘ restrooms ⓘ shops ⓘ vending machines ⓘ |
| hasFeature |
360-degree observation deck
ⓘ
panoramic views of Tokyo Bay ⓘ view of Tokyo Bay Aqua-Line bridge section ⓘ view of Tokyo Bay Aqua-Line tunnel ventilation tower ⓘ |
| hasJapaneseName | 海ほたる ⓘ |
| hasLevel | 5 ⓘ |
| hasNearbyStructure | Kawasaki man-made island tunnel entrance ⓘ |
| hasParkingCapacity | hundreds of vehicles ⓘ |
| hasStatus | in operation ⓘ |
| hasUse |
commercial complex
ⓘ
expressway service area ⓘ observation deck ⓘ parking area ⓘ |
| hasView |
Tokyo Bay
ⓘ
Tokyo Bay Aqua-Line ⓘ Tokyo skyline ⓘ
linked to:
Tokyo waterfront
|
| isOnRoute |
Tokyo Bay Aqua-Line Expressway
ⓘ
linked to:
Tokyo Bay Aqua-Line
|
| isTouristAttraction | true ⓘ |
| locatedInTheAdministrativeTerritorialEntity | Chiba Prefecture NERFINISHED ⓘ |
| location | Tokyo Bay ⓘ |
| nameMeaning | sea firefly ⓘ |
| openingDate | 1997-12-18 ⓘ |
| operator | East Nippon Expressway Company ⓘ |
| partOf |
Tokyo Bay Aqua-Line
ⓘ
Tokyo Bay Aqua-Line tunnel–bridge system ⓘ
linked to:
Tokyo Bay Aqua-Line
|
| tollRoadServiceAreaFor | Tokyo Bay Aqua-Line ⓘ |
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: Umihotaru Description of subject: Umihotaru is a man-made island in Tokyo Bay that serves as a rest area and service complex along the Tokyo Bay Aqua-Line expressway.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.