Triple
T21538778
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Second Severn Crossing |
E531420
|
entity |
| Predicate | designer |
P184
|
FINISHED |
| Object | SETRA |
—
|
NE NERFINISHED |
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: SETRA | Statement: [Second Severn Crossing, designer, SETRA]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SETRA Context triple: [Second Severn Crossing, designer, SETRA]
-
A.
SETRA
chosen
SETRA is a French public engineering agency specializing in the design, expertise, and technical support of major transport infrastructure, particularly bridges and roads.
-
B.
Siemens-Duewag U2
The Siemens-Duewag U2 is a high-floor light rail vehicle widely used in North American transit systems, notably in early expansions of Calgary’s CTrain network.
-
C.
Electrostar
Electrostar is a widely used family of British electric multiple-unit commuter trains built by Bombardier for suburban and regional services.
-
D.
Suter
Suter is a surname of Germanic origin, often associated with individuals of Swiss or German heritage.
-
E.
Siemens Venture long-distance coach
The Siemens Venture long-distance coach is a modern, intercity passenger railcar designed by Siemens for enhanced comfort, accessibility, and efficiency on long-distance routes in North America.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c45e5b8881908ac18fc2f493b114 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ee9d10a2888190bc4e502a829c76a4 |
completed | April 26, 2026, 11:17 p.m. |
Created at: April 16, 2026, 6:27 p.m.