Triple
T2907494
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Waterloo & City line |
E63600
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | 1992 Stock |
E283008
|
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: 1992 Stock | Statement: [Waterloo & City line, rollingStock, 1992 Stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 1992 Stock Context triple: [Waterloo & City line, rollingStock, 1992 Stock]
-
A.
1992 Stock
chosen
1992 Stock is a type of London Underground electric multiple unit train built for deep-level tube services, notably used on the Central line.
-
B.
1995 Stock
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.
-
C.
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.
-
D.
Columbia KCS 9825
Columbia KCS 9825 is the original Columbia Records LP catalog number for Bob Dylan’s 1969 country-influenced studio album "Nashville Skyline."
-
E.
1958 Beta 2
1958 Beta 2 is the alternative designation for Vanguard 1, one of the earliest American satellites and the oldest human-made object still in Earth orbit.
- 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_69ab4c44ab448190b9411324e8a1fc1d |
completed | March 6, 2026, 9:51 p.m. |
| NER | Named-entity recognition | batch_69abe0d0628c81909680af2f0db2ecae |
completed | March 7, 2026, 8:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b05612e79081908c962c2fe2e362d6 |
completed | March 10, 2026, 5:34 p.m. |
Created at: March 6, 2026, 10:11 p.m.