Triple
T6592490
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 171 |
E148394
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object | Marshlink line |
E153369
|
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: Marshlink line | Statement: [British Rail Class 171, usedOn, Marshlink line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Marshlink line Context triple: [British Rail Class 171, usedOn, Marshlink line]
-
A.
Marshlink Line
chosen
The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
-
B.
Fen Line
The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
-
C.
Watercress Line
The Watercress Line is a preserved heritage railway in Hampshire, England, known for its steam-hauled trains running through the countryside between Alton and Alresford.
-
D.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
-
E.
Hastings Line
The Hastings Line is a major railway route in Southeast England that connects London with the coastal town of Hastings, serving numerous commuter and regional destinations along the way.
- 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_69c687e7b8688190811ffee72e096468 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6aece1f848190a11676e072afb002 |
completed | March 27, 2026, 4:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cbba656c81909c3876a8f2f7300e |
completed | March 27, 2026, 6:26 p.m. |
Created at: March 27, 2026, 1:55 p.m.