Belluna Dome
E625914
Belluna Dome is a distinctive partially enclosed baseball stadium in Tokorozawa, Saitama, Japan, known for hosting the home games of the Saitama Seibu Lions in Nippon Professional Baseball.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Belluna Dome canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6883837 — 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: Belluna Dome Context triple: [Saitama Seibu Lions, homeStadium, Belluna Dome]
-
A.
Alavian Dome
Alavian Dome is a notable Seljuk-era Islamic mausoleum and architectural monument located in Hamadan, Iran.
-
B.
Lembert Dome
Lembert Dome is a prominent granite dome and popular hiking and climbing destination in the Tuolumne Meadows area of Yosemite National Park.
-
C.
Mount Zero
Mount Zero is a prominent rocky peak at the northern end of the Grampians range in western Victoria, Australia, popular for hiking and panoramic views.
-
D.
Great Dome
The Great Dome is an iconic neoclassical architectural landmark at the heart of MIT’s Cambridge campus, often symbolizing the institute itself.
-
E.
Arc Dome
Arc Dome is a prominent mountain summit in central Nevada known for its remote wilderness setting and extensive hiking opportunities.
- 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: Belluna Dome Target entity description: Belluna Dome is a distinctive partially enclosed baseball stadium in Tokorozawa, Saitama, Japan, known for hosting the home games of the Saitama Seibu Lions in Nippon Professional Baseball.
-
A.
Alavian Dome
Alavian Dome is a notable Seljuk-era Islamic mausoleum and architectural monument located in Hamadan, Iran.
-
B.
Lembert Dome
Lembert Dome is a prominent granite dome and popular hiking and climbing destination in the Tuolumne Meadows area of Yosemite National Park.
-
C.
Mount Zero
Mount Zero is a prominent rocky peak at the northern end of the Grampians range in western Victoria, Australia, popular for hiking and panoramic views.
-
D.
Great Dome
The Great Dome is an iconic neoclassical architectural landmark at the heart of MIT’s Cambridge campus, often symbolizing the institute itself.
-
E.
Arc Dome
Arc Dome is a prominent mountain summit in central Nevada known for its remote wilderness setting and extensive hiking opportunities.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | baseball stadium ⓘ |
| category |
Baseball venues in Japan
ⓘ
Sports venues in Saitama Prefecture ⓘ |
| city | Tokorozawa NERFINISHED ⓘ |
| climateExposure | open to outside air ⓘ |
| country | Japan ⓘ |
| fieldType | outdoor field with roofed stands ⓘ |
| formerName |
Seibu Dome
NERFINISHED
ⓘ
Seibu Lions Stadium NERFINISHED ⓘ |
| hasBullpens | yes ⓘ |
| hasConcessions | yes ⓘ |
| hasFeature |
natural ventilation openings beyond outfield
ⓘ
no outfield walls enclosing the field ⓘ |
| hasInfieldStands | yes ⓘ |
| hasLighting | stadium floodlights ⓘ |
| hasLuxuryBoxes | yes ⓘ |
| hasOutfieldStands | yes ⓘ |
| hasScoreboard | large video scoreboard ⓘ |
| hasTeamStore | yes ⓘ |
| homeLeague | Pacific League NERFINISHED ⓘ |
| homeStadiumOf | Saitama Seibu Lions NERFINISHED ⓘ |
| leagueHosted | Nippon Professional Baseball NERFINISHED ⓘ |
| location | Tokorozawa, Saitama, Japan NERFINISHED ⓘ |
| mainTenantSince | 1979 ⓘ |
| namedAfter | Belluna (mail-order company) NERFINISHED ⓘ |
| namingRightsSponsor | Belluna Co., Ltd. NERFINISHED ⓘ |
| namingRightsStartYear | 2022 ⓘ |
| near | Seibu Yuenchi amusement facilities NERFINISHED ⓘ |
| openingYear | 1979 ⓘ |
| operator | Seibu Lions NERFINISHED ⓘ |
| originalConfiguration | open-air baseball stadium ⓘ |
| owner | Seibu Railway NERFINISHED ⓘ |
| partiallyEnclosed | true ⓘ |
| prefecture | Saitama Prefecture NERFINISHED ⓘ |
| primarySport | baseball ⓘ |
| primaryUse | baseball ⓘ |
| publicTransitAccess | Seibu Kyūjō-mae Station NERFINISHED ⓘ |
| region | Kantō region ⓘ |
| renovation | 1998 ⓘ |
| roofCompletionYear | 1999 ⓘ |
| roofType | dome roof ⓘ |
| seatingCapacity | around 33,000 ⓘ |
| surface | artificial turf ⓘ |
| tenant | Saitama Seibu Lions NERFINISHED ⓘ |
| usedFor |
concerts
ⓘ
events ⓘ professional baseball games ⓘ |
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: Belluna Dome Description of subject: Belluna Dome is a distinctive partially enclosed baseball stadium in Tokorozawa, Saitama, Japan, known for hosting the home games of the Saitama Seibu Lions in Nippon Professional Baseball.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.