New Main Line
E927333
The New Main Line is a major 19th-century straightened canal route in Birmingham, England, engineered by Thomas Telford to improve the efficiency of the Birmingham Canal Navigations network.
All labels observed (1)
| Label | Occurrences |
|---|---|
| New Main Line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11471576 — 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: New Main Line Context triple: [Birmingham Canal Navigations, hasPart, New Main Line]
-
A.
Western Main Line
The Western Main Line is one of Sweden’s principal railway routes, connecting Stockholm with major cities to the west and south, and serving as a key corridor for both passenger and freight traffic.
-
B.
The Main Line
"The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
-
C.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
D.
Philadelphia to Harrisburg Main Line
The Philadelphia to Harrisburg Main Line is an electrified passenger rail corridor in Pennsylvania connecting Philadelphia with the state capital of Harrisburg and forming a key segment of Amtrak and regional rail service.
-
E.
Ou Main Line
The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
- 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: New Main Line Target entity description: The New Main Line is a major 19th-century straightened canal route in Birmingham, England, engineered by Thomas Telford to improve the efficiency of the Birmingham Canal Navigations network.
-
A.
Western Main Line
The Western Main Line is one of Sweden’s principal railway routes, connecting Stockholm with major cities to the west and south, and serving as a key corridor for both passenger and freight traffic.
-
B.
The Main Line
"The Main Line" is a 1914 American silent drama film written by Beatrice DeMille, notable as part of her early screenwriting career in the emerging Hollywood film industry.
-
C.
Main Line (Philadelphia to Pittsburgh)
Main Line (Philadelphia to Pittsburgh) was a major east–west rail corridor across Pennsylvania that formed the core route linking Philadelphia and Pittsburgh and became central to the state’s transportation and economic development.
-
D.
Philadelphia to Harrisburg Main Line
The Philadelphia to Harrisburg Main Line is an electrified passenger rail corridor in Pennsylvania connecting Philadelphia with the state capital of Harrisburg and forming a key segment of Amtrak and regional rail service.
-
E.
Ou Main Line
The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
transport infrastructure ⓘ |
| connectsTo |
Birmingham Canal (Old Main Line)
NERFINISHED
ⓘ
Wolverhampton Level of Birmingham Canal Navigations NERFINISHED ⓘ |
| country | United Kingdom ⓘ |
| crossesUnder | various road bridges in Birmingham ⓘ |
| engineer | Thomas Telford NERFINISHED ⓘ |
| follows | Old Main Line (Birmingham Canal) NERFINISHED ⓘ |
| hasAlternativeName | Birmingham Canal New Main Line NERFINISHED ⓘ |
| hasArchitecturalStyle | Telford canal engineering NERFINISHED ⓘ |
| hasBridge | Galton Bridge vicinity ⓘ |
| hasCharacteristic | straightened route ⓘ |
| hasConstructionMaterial |
brick
ⓘ
earthworks ⓘ stone ⓘ |
| hasDesignGoal |
reduce number of locks
ⓘ
shorten route between Birmingham and Wolverhampton ⓘ speed up boat traffic ⓘ |
| hasHeritageStatus | part of industrial heritage of Birmingham ⓘ |
| hasMaximumBoatLength | narrowboat dimensions GENERATED ⓘ |
| hasMouthLocation | near Birmingham city centre ⓘ |
| hasNavigationAuthority | Canal & River Trust NERFINISHED ⓘ |
| hasPurpose | improve efficiency of canal transport ⓘ |
| hasSourceLocation | near Wolverhampton ⓘ |
| hasTowpath | yes ⓘ |
| historicalPeriod | Industrial Revolution NERFINISHED ⓘ |
| inception | 19th century ⓘ |
| locatedIn |
Birmingham
NERFINISHED
ⓘ
England ⓘ |
| maintainedBy | Canal & River Trust NERFINISHED ⓘ |
| namedAfter | its role as new main route of BCN ⓘ |
| partOf |
Birmingham Canal Navigations
NERFINISHED
ⓘ
Birmingham and Black Country canal network NERFINISHED ⓘ |
| region | West Midlands NERFINISHED ⓘ |
| status | operational ⓘ |
| usedFor |
cycling on towpaths
ⓘ
freight transport (historical) ⓘ leisure boating ⓘ towpath walking ⓘ |
| uses |
aqueducts
ⓘ
cuttings ⓘ embankments ⓘ tunnels ⓘ |
| waterwaySystem | Birmingham Canal Navigations NERFINISHED ⓘ |
| waterwayThrough |
Smethwick
NERFINISHED
ⓘ
Tipton NERFINISHED ⓘ Wolverhampton NERFINISHED ⓘ |
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: New Main Line Description of subject: The New Main Line is a major 19th-century straightened canal route in Birmingham, England, engineered by Thomas Telford to improve the efficiency of the Birmingham Canal Navigations network.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.