Triple
T2048858
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midland Main Line |
E45516
|
entity |
| Predicate | historicalPredecessor |
P97
|
FINISHED |
| Object | Birmingham and Derby Junction Railway |
E190525
|
NE FINISHED |
How this triple was built (2 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: Birmingham and Derby Junction Railway | Statement: [Midland Main Line, historicalPredecessor, Birmingham and Derby Junction Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Birmingham and Derby Junction Railway Context triple: [Midland Main Line, historicalPredecessor, Birmingham and Derby Junction Railway]
-
A.
Birmingham and Derby Junction Railway
chosen
The Birmingham and Derby Junction Railway was an early 19th-century English railway company that became a key constituent of the later Midland Railway.
-
B.
Manchester and Birmingham Railway
The Manchester and Birmingham Railway was an early 19th-century British railway company that operated a key main line in northwest England before becoming part of the London and North Western Railway.
-
C.
Bristol and Birmingham Railway
The Bristol and Birmingham Railway was a historic British railway line that connected the cities of Bristol and Birmingham and later became part of the Midland Railway network.
-
D.
Birmingham and Gloucester Railway
The Birmingham and Gloucester Railway was an early 19th-century English railway line that formed a key part of the route between the Midlands and the southwest, later becoming an important component of the Midland Railway network.
-
E.
Derby–Birmingham line
The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a8891948208190ab7898da21824c77 |
completed | March 4, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69abb98c70c48190beb98aad56d9daf1 |
completed | March 7, 2026, 5:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae2007386481908b46c7bc2db8e4dd |
completed | March 9, 2026, 1:19 a.m. |
Created at: March 4, 2026, 7:39 p.m.