Jalamid–Ras Al Khair phosphate line
E789038
The Jalamid–Ras Al Khair phosphate line is a dedicated Saudi railway corridor used primarily to transport phosphate ore from inland mines to processing and export facilities on the Gulf coast.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jalamid–Ras Al Khair phosphate line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9270034 — 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: Jalamid–Ras Al Khair phosphate line Context triple: [Saudi national rail network, hasPart, Jalamid–Ras Al Khair phosphate line]
-
A.
Cairo–Ismailia Desert Road
The Cairo–Ismailia Desert Road is a major highway in Egypt that links Cairo with the city of Ismailia across the Eastern Desert, serving key industrial and satellite cities along its route.
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B.
Cairo–Asyut desert road
The Cairo–Asyut desert road is a major highway in Egypt that runs through the Western Desert, linking the capital Cairo with the city of Asyut and serving several governorates along the Nile Valley.
-
C.
Safa–Marwa corridor
The Safa–Marwa corridor is the sacred passage within the Masjid al-Haram in Mecca where Muslims perform the ritual walking (sa'i) between the hills of Safa and Marwa during Hajj and Umrah.
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D.
Cairo–Marsa Matruh line
The Cairo–Marsa Matruh line is a major Egyptian railway route linking the capital Cairo with the Mediterranean coastal city of Marsa Matruh, serving both passenger and freight traffic across northern Egypt.
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E.
Cairo–Alexandria Desert Road
The Cairo–Alexandria Desert Road is a major Egyptian highway linking Cairo and Alexandria across the Western Desert, serving as one of the country’s most important transportation corridors.
- 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: Jalamid–Ras Al Khair phosphate line Target entity description: The Jalamid–Ras Al Khair phosphate line is a dedicated Saudi railway corridor used primarily to transport phosphate ore from inland mines to processing and export facilities on the Gulf coast.
-
A.
Cairo–Ismailia Desert Road
The Cairo–Ismailia Desert Road is a major highway in Egypt that links Cairo with the city of Ismailia across the Eastern Desert, serving key industrial and satellite cities along its route.
-
B.
Cairo–Asyut desert road
The Cairo–Asyut desert road is a major highway in Egypt that runs through the Western Desert, linking the capital Cairo with the city of Asyut and serving several governorates along the Nile Valley.
-
C.
Safa–Marwa corridor
The Safa–Marwa corridor is the sacred passage within the Masjid al-Haram in Mecca where Muslims perform the ritual walking (sa'i) between the hills of Safa and Marwa during Hajj and Umrah.
-
D.
Cairo–Marsa Matruh line
The Cairo–Marsa Matruh line is a major Egyptian railway route linking the capital Cairo with the Mediterranean coastal city of Marsa Matruh, serving both passenger and freight traffic across northern Egypt.
-
E.
Cairo–Alexandria Desert Road
The Cairo–Alexandria Desert Road is a major Egyptian highway linking Cairo and Alexandria across the Western Desert, serving as one of the country’s most important transportation corridors.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
freight railway line
ⓘ
phosphate transport corridor ⓘ |
| cargo |
minerals
ⓘ
phosphate ore ⓘ |
| connects |
Gulf coast export facilities
ⓘ
Jalamid phosphate mines ⓘ Ras Al Khair industrial city ⓘ
linked to:
Ras Al Khair Industrial City
|
| country | Saudi Arabia ⓘ |
| endPoint | Ras Al Khair ⓘ |
| gauge | standard gauge ⓘ |
| industrialRole |
supports Ras Al Khair industrial complex
ⓘ
linked to:
Ras Al Khair Industrial City
supports Saudi mining industry ⓘ |
| locatedIn |
Eastern Province
ⓘ
Northern Borders Province ⓘ
linked to:
Northern Borders Region
Saudi Arabia ⓘ |
| partOf |
Saudi railway network
ⓘ
linked to:
Saudi national rail network
|
| primaryUse | phosphate ore transport ⓘ |
| purpose |
link inland phosphate mines to coastal processing facilities
ⓘ
support phosphate exports via Gulf ports ⓘ |
| railwayType | dedicated freight corridor ⓘ |
| serves |
Ras Al Khair processing plants
ⓘ
export terminals on the Persian Gulf ⓘ phosphate mining sector ⓘ |
| startPoint | Jalamid ⓘ |
| status | operational ⓘ |
| terminus |
Jalamid
ⓘ
Ras Al Khair ⓘ |
| trackType | heavy-haul freight ⓘ |
| usedFor |
bulk mineral transport
ⓘ
freight 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: Jalamid–Ras Al Khair phosphate line Description of subject: The Jalamid–Ras Al Khair phosphate line is a dedicated Saudi railway corridor used primarily to transport phosphate ore from inland mines to processing and export facilities on the Gulf coast.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.