Triple
T15580068
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London–Bristol rail corridor |
E374469
|
entity |
| Predicate | historicalEngineer |
P82513
|
FINISHED |
| Object | Isambard Kingdom Brunel |
E58640
|
NE FINISHED |
How this triple was built (3 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: Isambard Kingdom Brunel | Statement: [London–Bristol rail corridor, historicalEngineer, Isambard Kingdom Brunel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Isambard Kingdom Brunel Context triple: [London–Bristol rail corridor, historicalEngineer, Isambard Kingdom Brunel]
-
A.
Isambard Kingdom Brunel
chosen
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.
-
B.
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.
-
C.
Robert Stephenson
Robert Stephenson was a pioneering 19th-century English railway and civil engineer renowned for his work on early steam locomotives and major railway bridges.
-
D.
Brunel
Brunel is a notable English surname most famously associated with the pioneering Victorian engineer Isambard Kingdom Brunel and his family.
-
E.
Charles Brunel
Charles Brunel is the central astronaut protagonist in the science fiction horror film "The Last Days on Mars," who confronts a deadly infection during a doomed Mars mission.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: historicalEngineer Context triple: [London–Bristol rail corridor, historicalEngineer, Isambard Kingdom Brunel]
-
A.
historicalEquipment
Indicates that an entity is or involves equipment that was used in the past, typically in a historical or legacy context.
-
B.
notableEngineerAssociated
chosen
Indicates a relationship where a notable engineer is connected or linked to a particular entity, such as an organization, project, or product, through involvement or association.
-
C.
laterEngineer
Indicates that one entity becomes an engineer at a later time than another entity.
-
D.
notableInventor
Indicates that the subject is a well-known or historically significant inventor of the object.
-
E.
historicalProject
Indicates a relationship where an entity is or was involved in, associated with, or characterized by a project of historical significance or from a past period.
- F. None of above.
Provenance (4 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_69d85ccd575081908909b71a3f3e3a61 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04e24064c8190b132c3092877fbfa |
completed | April 16, 2026, 2:49 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff4c4da9e48190a73492ef725380da |
completed | May 9, 2026, 3:01 p.m. |
| PD | Predicate disambiguation | batch_69deda817e9881909b0c66fc9056f7d5 |
completed | April 15, 2026, 12:23 a.m. |
Created at: April 10, 2026, 4:11 a.m.