Triple
T13741294
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Liverpool Lime Street – Manchester Oxford Road |
E330090
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
Class 331 electric multiple unit
The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
|
E1060963
|
NE FINISHED |
How this triple was built (4 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 331 electric multiple unit | Statement: [Liverpool Lime Street – Manchester Oxford Road, rollingStock, Class 331 electric multiple unit]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 331 electric multiple unit Context triple: [Liverpool Lime Street – Manchester Oxford Road, rollingStock, Class 331 electric multiple unit]
-
A.
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.
-
B.
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.
-
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 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.
-
E.
Class 319 electric multiple unit
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Class 331 electric multiple unit Triple: [Liverpool Lime Street – Manchester Oxford Road, rollingStock, Class 331 electric multiple unit]
Generated description
The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 331 electric multiple unit Target entity description: The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
-
A.
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.
-
B.
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.
-
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 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.
-
E.
Class 319 electric multiple unit
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.
- F. None of above. chosen
Provenance (5 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_69f7b06b7d1481909a318086d76d3af0 |
completed | May 3, 2026, 8:30 p.m. |
| NEDg | Description generation | batch_69f7b11b824881909ed068c7d608d956 |
completed | May 3, 2026, 8:33 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f7b1e2e1b481908b74b5053e49fa38 |
completed | May 3, 2026, 8:36 p.m. |
Created at: April 9, 2026, 9:55 p.m.