Triple
T1823491
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chorlton tram stop |
E40594
|
entity |
| Predicate | formerRailwayAlignment |
P20480
|
FINISHED |
| Object | Midland Railway Manchester South District Line |
E35764
|
NE FINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Midland Railway Manchester South District Line | Statement: [Chorlton tram stop, formerRailwayAlignment, Midland Railway Manchester South District Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midland Railway Manchester South District Line Context triple: [Chorlton tram stop, formerRailwayAlignment, Midland Railway Manchester South District Line]
-
A.
North Midland Railway
The North Midland Railway was an early 19th-century British railway company that operated a key main line in the Midlands, later becoming part of the Midland Railway.
-
B.
Midland Counties Railway
The Midland Counties Railway was an early 19th-century British railway company that helped pioneer mainline rail transport in the English Midlands before later becoming part of the Midland Railway.
-
C.
Midland Railway
chosen
Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
-
D.
Manchester–Preston line
The Manchester–Preston line is a key railway route in North West England linking Manchester with Preston and serving major intermediate stations such as Manchester Oxford Road.
-
E.
Manchester to Bolton line
The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formerRailwayAlignment Context triple: [Chorlton tram stop, formerRailwayAlignment, Midland Railway Manchester South District Line]
-
A.
formerRailwayLine
chosen
Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
-
B.
railwayLine
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
C.
formerRailroad
Indicates that an entity was previously a railroad but no longer functions as one.
-
D.
railwayLineRole
Indicates the specific functional role or purpose that a railway line serves within a rail network or transportation system.
-
E.
railwayLineType
Indicates the specific kind or classification of a railway line associated with an entity (e.g., main line, branch line, high-speed line).
- F. None of above.
Provenance (4 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a8864526c081908a3a4d74f689e2c5 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69ab21ab83a48190a33afe5db19a21f8 |
completed | March 6, 2026, 6:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adbf6722f081908c5368a09d1507ac |
completed | March 8, 2026, 6:26 p.m. |
| PD | Predicate disambiguation | batch_69aa61d97d008190b6642aef32eb7e36 |
completed | March 6, 2026, 5:10 a.m. |
Created at: March 4, 2026, 7:32 p.m.