Longhai Railway
E290945
Longhai Railway is a major east–west rail corridor in China that connects key cities across several provinces and serves as an important artery for national transportation and commerce.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Longhai Railway canonical | 3 |
| Longhai railway | 2 |
| Lanxin Railway | 1 |
| Longhai Railway corridor | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2708623 — 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: Longhai Railway Context triple: [Xuzhou, traversedBy, Longhai Railway]
-
A.
Shanghai–Kunming railway
The Shanghai–Kunming railway is a major east–west trunk line in China that connects the coastal metropolis of Shanghai with the southwestern city of Kunming, traversing several key provinces and economic regions.
-
B.
Yangluo Line
The Yangluo Line is a rapid transit line within the Wuhan Metro system serving the Yangluo area and connecting it to the broader urban network.
-
C.
Xijiao Line
The Xijiao Line is a light rail transit line in Beijing that primarily serves the city’s western suburban areas, including university and technology districts.
-
D.
Beijing–Guangzhou Railway
The Beijing–Guangzhou Railway is one of China’s longest and most important north–south trunk rail lines, connecting the capital Beijing with the major southern metropolis of Guangzhou and serving numerous key cities along its route.
-
E.
Beijing–Shanghai railway
The Beijing–Shanghai railway is one of China’s most important conventional rail lines, connecting the capital Beijing with the major economic hub of Shanghai and serving numerous key cities along its route.
- 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: Longhai Railway Target entity description: Longhai Railway is a major east–west rail corridor in China that connects key cities across several provinces and serves as an important artery for national transportation and commerce.
-
A.
Shanghai–Kunming railway
The Shanghai–Kunming railway is a major east–west trunk line in China that connects the coastal metropolis of Shanghai with the southwestern city of Kunming, traversing several key provinces and economic regions.
-
B.
Yangluo Line
The Yangluo Line is a rapid transit line within the Wuhan Metro system serving the Yangluo area and connecting it to the broader urban network.
-
C.
Xijiao Line
The Xijiao Line is a light rail transit line in Beijing that primarily serves the city’s western suburban areas, including university and technology districts.
-
D.
Beijing–Guangzhou Railway
The Beijing–Guangzhou Railway is one of China’s longest and most important north–south trunk rail lines, connecting the capital Beijing with the major southern metropolis of Guangzhou and serving numerous key cities along its route.
-
E.
Beijing–Shanghai railway
The Beijing–Shanghai railway is one of China’s most important conventional rail lines, connecting the capital Beijing with the major economic hub of Shanghai and serving numerous key cities along its route.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport corridor
ⓘ
railway line ⓘ |
| connects |
central China
ⓘ
eastern China ⓘ western China ⓘ
linked to:
Western China
|
| connectsCity |
Baoji
ⓘ
Lanzhou ⓘ Lianyungang ⓘ Luoyang ⓘ Tianshui ⓘ Xi’an ⓘ
linked to:
Xi'an
Xuzhou ⓘ Zhengzhou ⓘ |
| connectsTo |
Beijing–Guangzhou Railway
ⓘ
Hukun Railway ⓘ
linked to:
Hukun railway
Jingguang Railway ⓘ Lanzhou–Xinjiang Railway ⓘ |
| country | China ⓘ |
| economicRole |
facilitates logistics between eastern and western China
ⓘ
supports regional trade ⓘ |
| electrification | partially electrified ⓘ |
| gauge | standard gauge ⓘ |
| isPartOf |
China national railway network
ⓘ
linked to:
Trans-China railway network
|
| locatedIn | China ⓘ |
| operator | China Railway ⓘ |
| partOfCorridor | Eurasian continental bridge ⓘ |
| passesThrough |
Anhui Province
ⓘ
linked to:
Anhui
Gansu Province ⓘ Henan Province ⓘ Jiangsu Province ⓘ
linked to:
Jiangsu
Qinghai Province ⓘ
linked to:
Qinghai
Shaanxi Province ⓘ Shanxi Province ⓘ |
| railwayDirection | east–west ⓘ |
| railwayType | conventional railway ⓘ |
| regionServed |
Central China
ⓘ
East China ⓘ
linked to:
eastern China
Northwest China ⓘ |
| significance |
important artery for national commerce
ⓘ
important artery for national transportation ⓘ major east–west rail corridor in China ⓘ |
| status | in operation ⓘ |
| terminus |
Lanzhou
ⓘ
Lianyungang ⓘ |
| usedFor |
freight transport
ⓘ
passenger transport ⓘ |
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: Longhai Railway Description of subject: Longhai Railway is a major east–west rail corridor in China that connects key cities across several provinces and serves as an important artery for national transportation and commerce.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Longhai Railway
linked to: Longhai Railway
linked to: Longhai Railway
linked to: Longhai Railway