Amur–Yakutsk Mainline
E481366
The Amur–Yakutsk Mainline is a major Russian railway line in the Russian Far East that extends the Trans-Siberian Railway northward toward Yakutsk, improving access to the remote Sakha Republic.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Amur–Yakutsk Mainline canonical | 7 |
| Amur–Yakutsk Railway | 1 |
| Lena River (by rail connection to Nizhny Bestyakh opposite Yakutsk) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4643032 — 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: Amur–Yakutsk Mainline Context triple: [Tynda, railwayJunctionFor, Amur–Yakutsk Mainline]
-
A.
Baikal–Amur Mainline
The Baikal–Amur Mainline is a major Soviet-era railway line in Russia that runs parallel to the Trans-Siberian Railway, traversing remote regions of Siberia and the Russian Far East.
-
B.
Obskaya–Bovanenkovo railway
The Obskaya–Bovanenkovo railway is a remote Russian Arctic rail line built primarily to support gas field development on the Yamal Peninsula.
-
C.
Pechora Railway
The Pechora Railway is a rail line in northern Russia that historically served remote Arctic settlements and Soviet-era labor camps, including those around Vorkuta.
-
D.
Murmansk Railway
Murmansk Railway is a major rail line in northwestern Russia that connects the Arctic port city of Murmansk and the Kola Peninsula with the broader Russian railway network.
-
E.
Trans-Manchurian Railway
The Trans-Manchurian Railway is a major rail route linking Russia and China by running from the Trans-Siberian line through Manchuria to connect cities such as Chita and Harbin with Beijing.
- 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: Amur–Yakutsk Mainline Target entity description: The Amur–Yakutsk Mainline is a major Russian railway line in the Russian Far East that extends the Trans-Siberian Railway northward toward Yakutsk, improving access to the remote Sakha Republic.
-
A.
Baikal–Amur Mainline
The Baikal–Amur Mainline is a major Soviet-era railway line in Russia that runs parallel to the Trans-Siberian Railway, traversing remote regions of Siberia and the Russian Far East.
-
B.
Obskaya–Bovanenkovo railway
The Obskaya–Bovanenkovo railway is a remote Russian Arctic rail line built primarily to support gas field development on the Yamal Peninsula.
-
C.
Pechora Railway
The Pechora Railway is a rail line in northern Russia that historically served remote Arctic settlements and Soviet-era labor camps, including those around Vorkuta.
-
D.
Murmansk Railway
Murmansk Railway is a major rail line in northwestern Russia that connects the Arctic port city of Murmansk and the Kola Peninsula with the broader Russian railway network.
-
E.
Trans-Manchurian Railway
The Trans-Manchurian Railway is a major rail route linking Russia and China by running from the Trans-Siberian line through Manchuria to connect cities such as Chita and Harbin with Beijing.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
rail transport infrastructure
ⓘ
railway line ⓘ |
| alsoKnownAs |
AYaM
ⓘ
Amur–Yakutsk Railway ⓘ
linked to:
Amur–Yakutsk Mainline
|
| connects |
Russian Far East
ⓘ
linked to:
Russia Far East
central parts of the Sakha Republic ⓘ |
| connectsWith |
Baikal–Amur Mainline
ⓘ
Trans-Siberian Railway ⓘ |
| constructionChallenges |
extreme cold climate
ⓘ
permafrost ⓘ remote terrain ⓘ |
| constructionStartDate | 1930s ⓘ |
| country | Russia ⓘ |
| crosses |
Aldan River
ⓘ
Lena River (by rail connection to Nizhny Bestyakh opposite Yakutsk) ⓘ
linked to:
Amur–Yakutsk Mainline
|
| economicRole |
facilitates export of natural resources from the Sakha Republic
ⓘ
supports mining industry in Yakutia ⓘ |
| electrification | partially electrified ⓘ |
| gauge | 1,520 mm ⓘ |
| infrastructureType | single-track mainline (on most sections) ⓘ |
| languageOfOfficialName | Russian ⓘ |
| locatedIn |
Amur Oblast
ⓘ
Republic of Sakha (Yakutia) ⓘ
linked to:
Sakha Republic
Russian Far East ⓘ
linked to:
Russia Far East
Sakha Republic ⓘ |
| majorConstructionResumption | 1970s ⓘ |
| operator | Russian Railways ⓘ |
| owner | Russian Railways ⓘ |
| partOf | Russian railway network ⓘ |
| purpose |
to extend the Trans-Siberian Railway northward toward Yakutsk
ⓘ
to improve access to the Sakha Republic ⓘ to support resource extraction in Yakutia ⓘ |
| regionServed |
Sakha Republic
ⓘ
Yakutia ⓘ |
| significance |
key transport artery of the Sakha Republic
ⓘ
northern extension of the Trans-Siberian Railway system ⓘ |
| status | operational ⓘ |
| terminus |
Berkakit
ⓘ
Nizhny Bestyakh ⓘ Tommot ⓘ Tynda ⓘ |
| trackGauge | Russian gauge ⓘ |
| 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: Amur–Yakutsk Mainline Description of subject: The Amur–Yakutsk Mainline is a major Russian railway line in the Russian Far East that extends the Trans-Siberian Railway northward toward Yakutsk, improving access to the remote Sakha Republic.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
Amur–Yakutsk Mainline
→
crosses
→
Lena River (by rail connection to Nizhny Bestyakh opposite Yakutsk)
ⓘ
linked to: Amur–Yakutsk Mainline
linked to: Amur–Yakutsk Mainline