Triple
T12489338
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Morden depot |
E298520
|
entity |
| Predicate | servesRollingStockType |
P5426
|
FINISHED |
| Object | 1995 Stock |
E298521
|
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: 1995 Stock | Statement: [Morden depot, servesRollingStockType, 1995 Stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1995 Stock Context triple: [Morden depot, servesRollingStockType, 1995 Stock]
-
A.
1995 Stock
chosen
1995 Stock is a type of London Underground train used on the Northern line, introduced in the mid-1990s with modern features for improved performance and passenger comfort.
-
B.
1996 Stock
The 1996 Stock is a fleet of deep-level electric multiple unit trains used on the London Underground’s Jubilee line.
-
C.
1992 Stock
1992 Stock is a type of London Underground electric multiple unit train built for deep-level tube services, notably used on the Central line.
-
D.
1938 Stock
The 1938 Stock was a type of London Underground electric multiple unit rolling stock that served primarily on deep-level tube lines from the late 1930s for several decades.
-
E.
1972 Stock
1972 Stock is a class of London Underground trains built in the early 1970s, primarily used on deep-level tube lines such as the Bakerloo line.
- 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_69d6ada377208190a36011199a4d8558 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94de1db9481909ddf70eb81cdb714 |
completed | April 10, 2026, 7:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f64ba7d8bc8190acc1f0d537a5bbbb |
completed | May 2, 2026, 7:08 p.m. |
Created at: April 8, 2026, 9:56 p.m.