Eastern Line (Sri Lanka)
E1020848
Eastern Line (Sri Lanka) is a major railway route in Sri Lanka that connects the island’s eastern regions with the national rail network, serving key towns and facilitating passenger and freight transport.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Batticaloa Line | 1 |
| Eastern Line (Sri Lanka) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12982880 — 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: Eastern Line (Sri Lanka) Context triple: [Sri Lanka Railways, operatesLine, Eastern Line (Sri Lanka)]
-
A.
Northern Line (Sri Lanka)
The Northern Line (Sri Lanka) is a major railway route that connects Colombo with the northern regions of Sri Lanka, including the city of Jaffna, serving as a key corridor for passenger and freight transport.
-
B.
Puttalam Line
The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
-
C.
Main Line (Sri Lanka)
Main Line (Sri Lanka) is a major railway route running inland from Colombo through the central highlands, serving as one of the country’s primary passenger and freight corridors.
-
D.
Colombo–Matara railway line
The Colombo–Matara railway line is a coastal rail route in southwestern Sri Lanka that connects the capital region with major southern cities, including Galle and Matara.
-
E.
Colombo–Trincomalee route
The Colombo–Trincomalee route is a major intercity railway line in Sri Lanka connecting the capital Colombo with the eastern port city of Trincomalee.
- 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: Eastern Line (Sri Lanka) Target entity description: Eastern Line (Sri Lanka) is a major railway route in Sri Lanka that connects the island’s eastern regions with the national rail network, serving key towns and facilitating passenger and freight transport.
-
A.
Northern Line (Sri Lanka)
The Northern Line (Sri Lanka) is a major railway route that connects Colombo with the northern regions of Sri Lanka, including the city of Jaffna, serving as a key corridor for passenger and freight transport.
-
B.
Puttalam Line
The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
-
C.
Main Line (Sri Lanka)
Main Line (Sri Lanka) is a major railway route running inland from Colombo through the central highlands, serving as one of the country’s primary passenger and freight corridors.
-
D.
Colombo–Matara railway line
The Colombo–Matara railway line is a coastal rail route in southwestern Sri Lanka that connects the capital region with major southern cities, including Galle and Matara.
-
E.
Colombo–Trincomalee route
The Colombo–Trincomalee route is a major intercity railway line in Sri Lanka connecting the capital Colombo with the eastern port city of Trincomalee.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
railway route in Sri Lanka ⓘ |
| connectsRegion | eastern Sri Lanka ⓘ |
| connectsTo |
Coastal Line (Sri Lanka) via Colombo Fort
NERFINISHED
ⓘ
Main Line (Sri Lanka) NERFINISHED ⓘ Northern Line (Sri Lanka) via Maho Junction NERFINISHED ⓘ |
| country | Sri Lanka ⓘ |
| electrification | not electrified ⓘ |
| function | connects eastern Sri Lanka with national rail network ⓘ |
| gauge | broad gauge ⓘ |
| hasRailwayDivision |
Batticaloa line section
NERFINISHED
ⓘ
Trincomalee line section NERFINISHED ⓘ |
| junctionStation |
Gal Oya Junction railway station
NERFINISHED
ⓘ
Maho Junction railway station NERFINISHED ⓘ |
| languageOfSignage |
English
ⓘ
Sinhala NERFINISHED ⓘ Tamil ⓘ |
| locatedIn |
Central Province, Sri Lanka
NERFINISHED
ⓘ
Eastern Province, Sri Lanka NERFINISHED ⓘ Uva Province, Sri Lanka NERFINISHED ⓘ |
| openedBy | Ceylon Government Railways NERFINISHED ⓘ |
| operator | Sri Lanka Railways NERFINISHED ⓘ |
| ownedBy | Government of Sri Lanka NERFINISHED ⓘ |
| partOfNetwork | Sri Lanka Railways NERFINISHED ⓘ |
| passesThrough |
China Bay
NERFINISHED
ⓘ
Eravur NERFINISHED ⓘ Habarana NERFINISHED ⓘ Kalkudah NERFINISHED ⓘ Kantale NERFINISHED ⓘ Polonnaruwa NERFINISHED ⓘ Valachchenai NERFINISHED ⓘ |
| servesCity |
Batticaloa
NERFINISHED
ⓘ
Trincomalee NERFINISHED ⓘ |
| servesTown |
Gal Oya
NERFINISHED
ⓘ
Polonnaruwa NERFINISHED ⓘ |
| status | operational ⓘ |
| supports |
agricultural freight transport
ⓘ
regional economic activity ⓘ tourism travel ⓘ |
| terminus |
Batticaloa railway station
NERFINISHED
ⓘ
Colombo Fort railway station NERFINISHED ⓘ Trincomalee railway station NERFINISHED ⓘ |
| trackGauge | 1,676 mm ⓘ |
| trackType | single track (most sections) ⓘ |
| 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: Eastern Line (Sri Lanka) Description of subject: Eastern Line (Sri Lanka) is a major railway route in Sri Lanka that connects the island’s eastern regions with the national rail network, serving key towns and facilitating passenger and freight transport.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Batticaloa Line