Yahata steel works
E826154
Yahata steel works is a historic Japanese steelmaking complex in Kitakyushu that played a central role in the country’s rapid industrialization during the Meiji era and is now recognized as part of a UNESCO World Heritage industrial site.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Yahata steel industry | 1 |
| Yahata steel works canonical | 1 |
| Yawata Steel Company | 1 |
| Yawata Steel Works | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9862170 — 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: Yahata steel works Context triple: [Sites of Japan’s Meiji Industrial Revolution (including Hashima Island), componentSite, Yahata steel works]
-
A.
Hayakawa Metal Works
Hayakawa Metal Works was the original manufacturing company founded by Tokuji Hayakawa in Japan that later evolved into the global electronics firm Sharp Corporation.
-
B.
Kobe Steel
Kobe Steel is a major Japanese steel manufacturer and industrial conglomerate known for producing steel, aluminum, and machinery under the brand name Kobelco.
-
C.
Mitsubishi Steel Mfg
Mitsubishi Steel Mfg is a Japanese manufacturer specializing in steel products and components, operating as part of the broader Mitsubishi corporate group.
-
D.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
E.
Shibaura Futo
Shibaura Futo is a waterfront district and pier area in Tokyo’s Minato Ward, known for its views of Tokyo Bay and proximity to the Rainbow Bridge.
- 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: Yahata steel works Target entity description: Yahata steel works is a historic Japanese steelmaking complex in Kitakyushu that played a central role in the country’s rapid industrialization during the Meiji era and is now recognized as part of a UNESCO World Heritage industrial site.
-
A.
Hayakawa Metal Works
Hayakawa Metal Works was the original manufacturing company founded by Tokuji Hayakawa in Japan that later evolved into the global electronics firm Sharp Corporation.
-
B.
Kobe Steel
Kobe Steel is a major Japanese steel manufacturer and industrial conglomerate known for producing steel, aluminum, and machinery under the brand name Kobelco.
-
C.
Mitsubishi Steel Mfg
Mitsubishi Steel Mfg is a Japanese manufacturer specializing in steel products and components, operating as part of the broader Mitsubishi corporate group.
-
D.
Yoshimoto Kogyo
Yoshimoto Kogyo is a major Japanese entertainment conglomerate best known for managing comedians and producing comedy shows, theater, television, and other media.
-
E.
Shibaura Futo
Shibaura Futo is a waterfront district and pier area in Tokyo’s Minato Ward, known for its views of Tokyo Bay and proximity to the Rainbow Bridge.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
industrial complex ⓘ steelworks ⓘ |
| associatedWith |
Japanese Ministry of Agriculture and Commerce
ⓘ
linked to:
Ministry of Agriculture and Commerce (Japan)
Nippon Steel & Sumitomo Metal Corporation ⓘ
linked to:
Nippon Steel
|
| country | Japan ⓘ |
| environmentalImpact | major source of industrial pollution in early 20th century Kitakyushu ⓘ |
| era | Meiji era ⓘ |
| hasPart |
blast furnaces
ⓘ
coke ovens ⓘ power plant facilities ⓘ rolling mills ⓘ |
| heritageDesignation | UNESCO World Heritage Site component ⓘ |
| heritageProtection | protected under Japanese cultural property and industrial heritage frameworks ⓘ |
| historicalRole |
important supplier of steel for shipbuilding
ⓘ
principal steel supplier for Japanese railways ⓘ strategic industrial facility during early 20th century ⓘ |
| inception | 1901 ⓘ |
| industry |
iron and steel
ⓘ
steelmaking ⓘ |
| locatedIn |
Fukuoka Prefecture
ⓘ
Japan ⓘ Kitakyushu ⓘ Kyushu ⓘ Yahatahigashi-ku, Kitakyushu ⓘ |
| modernUse |
partly preserved as industrial heritage
ⓘ
partly still operating as a steel production site ⓘ |
| notableFor |
introduction of modern Western steelmaking technology to Japan
ⓘ
large-scale integrated steel production ⓘ role in Japan’s emergence as a major industrial power ⓘ |
| operator |
Nippon Steel Corporation
ⓘ
linked to:
Nippon Steel
Yawata Steel Company ⓘ
linked to:
Yahata steel works
|
| ownedBy |
Government of Japan
ⓘ
Nippon Steel Corporation ⓘ
linked to:
Nippon Steel
|
| partOf |
Imperial Japanese government steel industry
ⓘ
Sites of Japan’s Meiji Industrial Revolution: Iron and Steel, Shipbuilding and Coal Mining ⓘ |
| significance |
key facility for Japanese heavy industry
ⓘ
major producer of steel in prewar Japan ⓘ played a central role in Japan’s rapid industrialization ⓘ symbol of state-led industrialization in Japan ⓘ |
| transportConnection | near JR Yahata Station ⓘ |
| UNESCOInscriptionYear | 2015 ⓘ |
| UNESCOSiteCategory | cultural ⓘ |
| UNESCOWorldHeritageStatus | inscribed ⓘ |
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: Yahata steel works Description of subject: Yahata steel works is a historic Japanese steelmaking complex in Kitakyushu that played a central role in the country’s rapid industrialization during the Meiji era and is now recognized as part of a UNESCO World Heritage industrial site.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
Sites of Japan’s Meiji Industrial Revolution (including Hashima Island)
→
componentSite
→
Yahata steel works
ⓘ
linked to: Yahata steel works
linked to: Yahata steel works
linked to: Yahata steel works