Triple
T12489272
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mill Hill East branch |
E298518
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Northern line 1995 Stock |
E61912
|
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: Northern line 1995 Stock | Statement: [Mill Hill East branch, rollingStock, Northern line 1995 Stock]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern line 1995 Stock Context triple: [Mill Hill East branch, rollingStock, Northern line 1995 Stock]
-
A.
Linha do Norte (Northern Line)
Linha do Norte (Northern Line) is Portugal’s principal mainline railway corridor, linking Lisbon to Porto and serving as the country’s busiest and most important rail route.
-
B.
London Underground 1992 Stock
The London Underground 1992 Stock is a fleet of electric multiple unit trains primarily used on the Central line, known for introducing modern traction and passenger features to the deep-level Tube network in the early 1990s.
-
C.
Northern line
chosen
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
D.
London Underground 1972 Stock
The London Underground 1972 Stock is a long-serving fleet of tube trains primarily used on the Bakerloo line, known for its distinctive older design and continued operation well beyond its originally intended lifespan.
-
E.
T9 Northern Line
T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
- 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_69f6556e9180819084ddb984754b0b54 |
completed | May 2, 2026, 7:50 p.m. |
Created at: April 8, 2026, 9:56 p.m.