Triple
T13741292
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Liverpool Lime Street – Manchester Oxford Road |
E330090
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | Class 319 electric multiple unit |
E630537
|
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: Class 319 electric multiple unit | Statement: [Liverpool Lime Street – Manchester Oxford Road, rollingStock, Class 319 electric multiple unit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 319 electric multiple unit Context triple: [Liverpool Lime Street – Manchester Oxford Road, rollingStock, Class 319 electric multiple unit]
-
A.
Class 319 electric multiple unit
chosen
The Class 319 electric multiple unit is a dual-voltage British commuter train class introduced in the late 1980s for services on routes such as Thameslink, capable of operating on both overhead and third-rail electrification systems.
-
B.
Class 317 electric multiple unit
The Class 317 electric multiple unit is a type of British suburban electric train introduced in the early 1980s for commuter services on 25 kV AC overhead electrified routes.
-
C.
Class 315 electric multiple unit
The Class 315 electric multiple unit is a type of British suburban electric train built in the early 1980s for commuter services in and around London.
-
D.
Class 321 electric multiple unit
The Class 321 electric multiple unit is a British suburban and commuter train type introduced in the late 1980s for high-capacity, overhead-electrified passenger services.
-
E.
Class 323 electric multiple unit
The Class 323 electric multiple unit is a type of British suburban electric train widely used for high-frequency commuter services around cities such as Birmingham and Manchester.
- 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_69d80772315881908f980cae40d91664 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69de0206a4b88190a60914e2b43e54f9 |
completed | April 14, 2026, 8:59 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f79d6db3a48190a4f3595355f9073b |
completed | May 3, 2026, 7:09 p.m. |
Created at: April 9, 2026, 9:55 p.m.