Triple
T235363
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cambridge railway station |
E4497
|
entity |
| Predicate | hasServiceOperator |
P5884
|
FINISHED |
| Object | East Midlands Railway |
E21789
|
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: East Midlands Railway | Statement: [Cambridge railway station, hasServiceOperator, East Midlands Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Midlands Railway Context triple: [Cambridge railway station, hasServiceOperator, East Midlands Railway]
-
A.
East Midlands Railway
chosen
East Midlands Railway is a British train operating company providing regional and intercity passenger rail services across the East Midlands and surrounding areas.
-
B.
TransPennine Express
TransPennine Express is a British train operating company providing intercity and regional rail services across northern England and into Scotland.
-
C.
Lancashire and Yorkshire Railway
The Lancashire and Yorkshire Railway was a major pre-grouping British railway company that operated an extensive network of lines across industrial northern England during the 19th and early 20th centuries.
-
D.
West Anglia Main Line
The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
-
E.
Thameslink
Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
- 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_69a257363ffc81909757bde7ab3404da |
completed | Feb. 28, 2026, 2:47 a.m. |
| NER | Named-entity recognition | batch_69a260c42060819089eb772202e504f5 |
completed | Feb. 28, 2026, 3:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3736e4010819089000ed60dbf519c |
completed | Feb. 28, 2026, 10:59 p.m. |
Created at: Feb. 28, 2026, 2:53 a.m.