Triple
T20856264
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 220 |
E513488
|
entity |
| Predicate | yearConstructionBegan |
P4034
|
FINISHED |
| Object | 1999 |
—
|
LITERAL 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: 1999 | Statement: [British Rail Class 220, yearConstructionBegan, 1999]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: yearConstructionBegan Context triple: [British Rail Class 220, yearConstructionBegan, 1999]
-
A.
yearBuilt
Indicates the specific year in which something (typically a structure or object) was constructed or completed.
-
B.
constructionStartYear
chosen
Indicates the calendar year in which the construction of something was begun.
-
C.
reErectedAt
Indicates that something was rebuilt or re-erected at a particular location or site.
-
D.
constructionDate
Indicates the date on which an entity (such as a building or structure) was constructed or completed.
-
E.
associatedBuildingDate
Indicates the date on which a particular building is formally linked or related to another entity or record.
- 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_69e0b4f5b01081909452f654d2fc3f50 |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c3a81ac4819084a07625b8ed4ec5 |
completed | April 21, 2026, 12:24 a.m. |
| PD | Predicate disambiguation | batch_69e5c9a593f481908beb457c29f1ce73 |
completed | April 20, 2026, 6:37 a.m. |
Created at: April 16, 2026, 12:44 p.m.