Triple
T6865833
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Great Northern |
E158397
|
entity |
| Predicate | rollingStockType |
P1305
|
FINISHED |
| Object |
Class 717 Desiro City
The Class 717 Desiro City is a fleet of electric multiple-unit commuter trains built by Siemens for intensive suburban services into and out of central London, particularly through the Thameslink and Great Northern routes.
|
E626660
|
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 717 Desiro City | Statement: [Great Northern, rollingStockType, Class 717 Desiro City]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 717 Desiro City Context triple: [Great Northern, rollingStockType, Class 717 Desiro City]
-
A.
Class 700 Desiro City
The Class 700 Desiro City is a modern electric multiple-unit train used on intensive commuter and cross-London services, particularly on the Thameslink network in the United Kingdom.
-
B.
Class 360 Desiro
The Class 360 Desiro is a type of electric multiple unit passenger train used on regional and commuter services in the UK rail network.
-
C.
Class 350 Desiro
The Class 350 Desiro is a family of electric multiple-unit passenger trains used on regional and commuter services in the UK rail network.
-
D.
Class 730 Aventra
The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
-
E.
Class 170 Turbostar
The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
- 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 717 Desiro City Triple: [Great Northern, rollingStockType, Class 717 Desiro City]
Generated description
The Class 717 Desiro City is a fleet of electric multiple-unit commuter trains built by Siemens for intensive suburban services into and out of central London, particularly through the Thameslink and Great Northern routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 717 Desiro City Target entity description: The Class 717 Desiro City is a fleet of electric multiple-unit commuter trains built by Siemens for intensive suburban services into and out of central London, particularly through the Thameslink and Great Northern routes.
-
A.
Class 700 Desiro City
The Class 700 Desiro City is a modern electric multiple-unit train used on intensive commuter and cross-London services, particularly on the Thameslink network in the United Kingdom.
-
B.
Class 360 Desiro
The Class 360 Desiro is a type of electric multiple unit passenger train used on regional and commuter services in the UK rail network.
-
C.
Class 350 Desiro
The Class 350 Desiro is a family of electric multiple-unit passenger trains used on regional and commuter services in the UK rail network.
-
D.
Class 730 Aventra
The Class 730 Aventra is a modern electric multiple unit train built by Alstom (originally Bombardier) for high-capacity, commuter and regional rail services on the UK network.
-
E.
Class 170 Turbostar
The Class 170 Turbostar is a British diesel multiple-unit train widely used for regional and intercity services across the UK rail network.
- 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_69c68831e3648190a643c328122e4d43 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6d88c48f08190b9afba97b19d8605 |
completed | March 27, 2026, 7:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c748bcb4048190b3860ffdd962d48c |
completed | March 28, 2026, 3:19 a.m. |
| NEDg | Description generation | batch_69c749901de081908e5c3ccd324e8191 |
completed | March 28, 2026, 3:22 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c74a0bcddc819084b22925cf57a205 |
completed | March 28, 2026, 3:24 a.m. |
Created at: March 27, 2026, 2:21 p.m.