Northeastern railway line of Thailand
E327358
The Northeastern railway line of Thailand is a major rail corridor connecting Bangkok with key cities in the Isan region, serving as an important route for both passenger and freight transport.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Northeastern Line (State Railway of Thailand) | 2 |
| Northeastern Line (Thailand) | 1 |
| Northeastern railway line of Thailand canonical | 1 |
| State Railway of Thailand Northeastern Line | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3104294 — 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: Northeastern railway line of Thailand Context triple: [Korat, Thailand, locatedOnTransportationCorridor, Northeastern railway line of Thailand]
-
A.
State Railway of Thailand
The State Railway of Thailand is the national state-owned rail operator responsible for managing and running most of Thailand’s railway services and infrastructure.
-
B.
Silom Line
The Silom Line is one of Bangkok’s main BTS Skytrain routes, running through key commercial and business districts including Silom and Sathorn.
-
C.
Bangkok rail transit network
The Bangkok rail transit network is an integrated urban rail system in Bangkok, Thailand, comprising multiple rapid transit, commuter, and airport rail lines that connect key districts and surrounding areas.
-
D.
Suvarnabhumi Airport Rail Link
Suvarnabhumi Airport Rail Link is a rapid transit line in Bangkok that provides fast rail service between Suvarnabhumi Airport and the city center.
-
E.
Thai Route 12
Thai Route 12 is a major east–west highway in Thailand that spans the country from the Myanmar border near Mae Sot to the Laotian border, serving as an important transnational transport corridor.
- 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: Northeastern railway line of Thailand Target entity description: The Northeastern railway line of Thailand is a major rail corridor connecting Bangkok with key cities in the Isan region, serving as an important route for both passenger and freight transport.
-
A.
State Railway of Thailand
The State Railway of Thailand is the national state-owned rail operator responsible for managing and running most of Thailand’s railway services and infrastructure.
-
B.
Silom Line
The Silom Line is one of Bangkok’s main BTS Skytrain routes, running through key commercial and business districts including Silom and Sathorn.
-
C.
Bangkok rail transit network
The Bangkok rail transit network is an integrated urban rail system in Bangkok, Thailand, comprising multiple rapid transit, commuter, and airport rail lines that connect key districts and surrounding areas.
-
D.
Suvarnabhumi Airport Rail Link
Suvarnabhumi Airport Rail Link is a rapid transit line in Bangkok that provides fast rail service between Suvarnabhumi Airport and the city center.
-
E.
Thai Route 12
Thai Route 12 is a major east–west highway in Thailand that spans the country from the Myanmar border near Mae Sot to the Laotian border, serving as an important transnational transport corridor.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| branchLine |
Nakhon Ratchasima–Nong Khai branch
ⓘ
Nakhon Ratchasima–Ubon Ratchathani branch ⓘ |
| bridgeUsed |
Thai–Lao Friendship Bridge (rail link)
ⓘ
linked to:
Thai–Lao Friendship Bridge
|
| connectsCity |
Bangkok
ⓘ
Buri Ram ⓘ Khon Kaen ⓘ Nakhon Ratchasima ⓘ Nong Khai ⓘ Si Sa Ket ⓘ Surin ⓘ Ubon Ratchathani ⓘ Udon Thani ⓘ |
| connectsRegion |
Central Thailand
ⓘ
Northeastern Thailand (Isan) ⓘ
linked to:
Northeastern Thailand
|
| connectsToCountry | Laos (via Nong Khai–Thanaleng link) ⓘ |
| country | Thailand ⓘ |
| electrification | not electrified ⓘ |
| freightRole |
key route for agricultural products from Isan
ⓘ
key route for cross-border freight with Laos ⓘ |
| gauge | 1,000 mm metre gauge ⓘ |
| historicalRole | first main railway access to the Isan region ⓘ |
| importance | major rail corridor of Thailand ⓘ |
| majorJunction | Nakhon Ratchasima railway station ⓘ |
| openedBy |
Royal State Railways of Siam (historical name)
ⓘ
linked to:
State Railway of Thailand
|
| operator | State Railway of Thailand ⓘ |
| owner | State Railway of Thailand ⓘ |
| partOfNetwork | Thai railway network ⓘ |
| primaryUse |
freight transport
ⓘ
passenger transport ⓘ |
| railSystem | meter-gauge railways of Thailand ⓘ |
| regionServed |
Isan
ⓘ
Northeastern Thailand ⓘ |
| serviceType |
express trains
ⓘ
local trains ⓘ long-distance trains ⓘ ordinary trains ⓘ rapid trains ⓘ special express trains ⓘ |
| startingStation |
Bangkok railway station (Hua Lamphong)
ⓘ
linked to:
Bangkok railway station
Krung Thep Aphiwat Central Terminal ⓘ |
| status | in operation ⓘ |
| terminus |
Bangkok
ⓘ
Nong Khai ⓘ Ubon Ratchathani ⓘ |
| trackType | single track (with some double-track sections) ⓘ |
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: Northeastern railway line of Thailand Description of subject: The Northeastern railway line of Thailand is a major rail corridor connecting Bangkok with key cities in the Isan region, serving as an important route for both passenger and freight transport.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Northeastern railway line of Thailand
linked to: Northeastern railway line of Thailand
linked to: Northeastern railway line of Thailand
linked to: Northeastern railway line of Thailand