Triple
T36022592
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harrow and Wealdstone rail crash |
E1042028
|
entity |
| Predicate | regionOfOperator |
P200211
|
FINISHED |
| Object | London Midland Region of British Railways |
—
|
NE NERFINISHED |
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: London Midland Region of British Railways | Statement: [Harrow and Wealdstone rail crash, regionOfOperator, London Midland Region of British Railways]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: regionOfOperator Context triple: [Harrow and Wealdstone rail crash, regionOfOperator, London Midland Region of British Railways]
-
A.
regionOfPrimaryOperation
chosen
Indicates the geographic area where an entity primarily conducts its main activities or operations.
-
B.
locationOfOperator
Indicates the place or position where an operator is situated or performs its function.
-
C.
operatedByRegion
Indicates that an entity is managed, controlled, or administered by a specific geographic region or regional authority.
-
D.
regionFrom
Indicates that something originates from, is derived from, or is associated with a particular geographic or administrative region.
-
E.
regionOfImplementation
Indicates the geographic or administrative area within which an action, policy, project, or measure is carried out or applied.
- F. None of above.
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_69f76e2c568881909e1e21f85252b0f0 |
completed | May 3, 2026, 3:47 p.m. |
| NER | Named-entity recognition | batch_6a0004582bb08190b8d0b88251e8d333 |
completed | May 10, 2026, 4:06 a.m. |
| PD | Predicate disambiguation | batch_6a0003e3e5588190933beea5fb28f150 |
completed | May 10, 2026, 4:04 a.m. |
Created at: May 3, 2026, 4:07 p.m.