Triple
T31034824
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southall rail crash |
E790825
|
entity |
| Predicate | involvedOperator |
P28828
|
FINISHED |
| Object | Great Western Trains Company Limited |
—
|
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: Great Western Trains Company Limited | Statement: [Southall rail crash, involvedOperator, Great Western Trains Company Limited]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: involvedOperator Context triple: [Southall rail crash, involvedOperator, Great Western Trains Company Limited]
-
A.
involvesOperator
chosen
Indicates that a given process, action, or relationship includes or makes use of a specific operator as a participating element.
-
B.
coreOperator
Indicates that an entity functions as a primary or central operator responsible for executing or managing a core operation within a system or process.
-
C.
otherOperator
Indicates a relationship where one operator is distinguished from, or serves as an alternative to, another operator within the same context or system.
-
D.
relatesOperator
Indicates that one entity is associated with, or functions as, an operator in relation to another entity.
-
E.
associatedWithOperator
Indicates that an entity has a relationship, connection, or linkage to a specific operator (such as a service, system, or organization) involved in its operation or management.
- 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_69f224c97a788190b5da1ead6038a74e |
completed | April 29, 2026, 3:33 p.m. |
| NER | Named-entity recognition | batch_69fcda3699948190adb57625bae08091 |
completed | May 7, 2026, 6:30 p.m. |
| PD | Predicate disambiguation | batch_69fcd8fd16d08190b0aca6e19a632e99 |
completed | May 7, 2026, 6:25 p.m. |
Created at: April 29, 2026, 8:59 p.m.