Triple
T16723239
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Airport–South Hylton line |
E406400
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object | Tyne and Wear Metro Class 599 (Stadler) trains |
E420769
|
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: Tyne and Wear Metro Class 599 (Stadler) trains | Statement: [Airport–South Hylton line, usesRollingStock, Tyne and Wear Metro Class 599 (Stadler) trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tyne and Wear Metro Class 599 (Stadler) trains Context triple: [Airport–South Hylton line, usesRollingStock, Tyne and Wear Metro Class 599 (Stadler) trains]
-
A.
Tyne and Wear Metro Class 994 units
chosen
The Tyne and Wear Metro Class 994 units are electric multiple-unit trains specifically built for and operated on the Tyne and Wear Metro light rail system in North East England.
-
B.
Southern Class 377 EMUs
Southern Class 377 EMUs are a fleet of modern electric multiple-unit commuter trains operated by Southern on suburban and regional routes in southeast England.
-
C.
British Rail Class 317 electric multiple units
The British Rail Class 317 electric multiple units are a series of suburban electric trains introduced in the early 1980s for commuter services around London, known for their steel-bodied Mark 3–derived design and long service life.
-
D.
London Overground Class 378 trains
London Overground Class 378 trains are electric multiple units used on the London Overground network, designed for high-capacity, metro-style suburban passenger services.
-
E.
British Rail Class 318 electric multiple units
The British Rail Class 318 electric multiple units are suburban EMU trains introduced in the mid-1980s for commuter services around Glasgow, Scotland, featuring steel-bodied construction and 25 kV AC overhead electrification.
- 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_69d8838f242881908abd8bc138795886 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e387449eb08190b174f8e142ea631b |
completed | April 18, 2026, 1:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a009d43c49081908eca922da8f90793 |
completed | May 10, 2026, 2:59 p.m. |
Created at: April 10, 2026, 5:20 a.m.