Triple
T12882590
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London and Birmingham Railway |
E308133
|
entity |
| Predicate | designedBy |
P184
|
FINISHED |
| Object | Robert Stephenson |
E70010
|
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: Robert Stephenson | Statement: [London and Birmingham Railway, designedBy, Robert Stephenson]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Robert Stephenson Context triple: [London and Birmingham Railway, designedBy, Robert Stephenson]
-
A.
Robert Stephenson
chosen
Robert Stephenson was a pioneering 19th-century English railway and civil engineer renowned for his work on early steam locomotives and major railway bridges.
-
B.
Isambard Kingdom Brunel
Isambard Kingdom Brunel was a pioneering 19th-century British engineer renowned for his groundbreaking work on railways, bridges, tunnels, and steamships that transformed industrial transportation.
-
C.
George Stephenson
George Stephenson was a pioneering English engineer known as the "Father of Railways" for his crucial role in developing early steam locomotives and railway systems during the Industrial Revolution.
-
D.
Marc Isambard Brunel
Marc Isambard Brunel was a pioneering French-born British engineer best known for designing the Thames Tunnel and for his influential innovations in industrial engineering.
-
E.
Thomas Bouch
Thomas Bouch was a 19th-century British railway engineer best known for designing the ill-fated first Tay Bridge, whose catastrophic collapse in 1879 ruined his reputation.
- 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_69d7bdf69bc48190af6c2621f28ca351 |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d970fd15888190baf90fc30f2a3e25 |
completed | April 10, 2026, 9:51 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6c0e54dc48190acf120ca5fe516ab |
completed | May 3, 2026, 3:28 a.m. |
Created at: April 9, 2026, 5:39 p.m.