Triple
T2219261
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Talyllyn Railway |
E48102
|
entity |
| Predicate | hasLocomotive |
P12267
|
FINISHED |
| Object |
Tom Rolt
Tom Rolt is a steam locomotive on the preserved narrow-gauge Talyllyn Railway in Wales, named after railway preservation pioneer L.T.C. Rolt.
|
E245393
|
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: Tom Rolt | Statement: [Talyllyn Railway, hasLocomotive, Tom Rolt]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tom Rolt Context triple: [Talyllyn Railway, hasLocomotive, Tom Rolt]
-
A.
Sir Ronald Davison
Sir Ronald Davison was a prominent New Zealand jurist who served as Chief Justice and played a key role in the country’s legal system in the late 20th century.
-
B.
Harry Aitken
Harry Aitken was an early American film producer and studio executive best known for backing landmark and controversial silent-era epics such as D. W. Griffith’s "The Birth of a Nation."
-
C.
Ivan Atkinson
Ivan Atkinson is a British film producer and screenwriter best known for his frequent collaborations with director Guy Ritchie on crime and action films.
-
D.
Thomas Davison
Thomas Davison was a 19th-century British printer and publisher best known for issuing the first edition of Lord Byron’s poem "Don Juan."
-
E.
Russell Carhouse
Russell Carhouse is a major Toronto Transit Commission streetcar maintenance and storage facility located in Toronto, Canada.
- 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: Tom Rolt Triple: [Talyllyn Railway, hasLocomotive, Tom Rolt]
Generated description
Tom Rolt is a steam locomotive on the preserved narrow-gauge Talyllyn Railway in Wales, named after railway preservation pioneer L.T.C. Rolt.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tom Rolt Target entity description: Tom Rolt is a steam locomotive on the preserved narrow-gauge Talyllyn Railway in Wales, named after railway preservation pioneer L.T.C. Rolt.
-
A.
Sir Ronald Davison
Sir Ronald Davison was a prominent New Zealand jurist who served as Chief Justice and played a key role in the country’s legal system in the late 20th century.
-
B.
Harry Aitken
Harry Aitken was an early American film producer and studio executive best known for backing landmark and controversial silent-era epics such as D. W. Griffith’s "The Birth of a Nation."
-
C.
Ivan Atkinson
Ivan Atkinson is a British film producer and screenwriter best known for his frequent collaborations with director Guy Ritchie on crime and action films.
-
D.
Thomas Davison
Thomas Davison was a 19th-century British printer and publisher best known for issuing the first edition of Lord Byron’s poem "Don Juan."
-
E.
Russell Carhouse
Russell Carhouse is a major Toronto Transit Commission streetcar maintenance and storage facility located in Toronto, Canada.
- 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_69a88aa1ee708190862c8c378c41e9eb |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc011d50c8190b1c375cc633f8189 |
completed | March 7, 2026, 6:05 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae655b369c8190a5d12b87401534d7 |
completed | March 9, 2026, 6:14 a.m. |
| NEDg | Description generation | batch_69ae65d4f26481909808c97b95ca9b30 |
completed | March 9, 2026, 6:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae6670b6d88190a09023fae63f4000 |
completed | March 9, 2026, 6:19 a.m. |
Created at: March 4, 2026, 7:46 p.m.