Triple
T18311486
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brünig railway line |
E438635
|
entity |
| Predicate | formerOperator |
P179
|
FINISHED |
| Object | Swiss Federal Railways |
—
|
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: Swiss Federal Railways | Statement: [Brünig railway line, formerOperator, Swiss Federal Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Swiss Federal Railways Context triple: [Brünig railway line, formerOperator, Swiss Federal Railways]
-
A.
Swiss Federal Railways
chosen
Swiss Federal Railways is Switzerland’s national railway company, responsible for operating the majority of the country’s passenger and freight rail services and managing much of its rail infrastructure.
-
B.
Schweizerische Centralbahn
Schweizerische Centralbahn was a 19th-century Swiss railway company that operated key lines in northern and central Switzerland before being absorbed into the national railway system.
-
C.
Basel SBB
Basel SBB is the main Swiss railway station in Basel and one of Europe’s busiest international rail hubs, connecting Switzerland with France, Germany, and other destinations.
-
D.
Schweizerische Nordwestbahn
Schweizerische Nordwestbahn was a former Swiss railway company that operated in northwestern Switzerland before being absorbed into the national rail system.
-
E.
Berner Oberland-Bahnen AG
Berner Oberland-Bahnen AG is a Swiss railway company that operates regional and tourist rail services in the Bernese Oberland region, including routes to popular alpine destinations.
- 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_69d8b915e3e881909125d760c15d0c29 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e50219cd548190b8da5f402d5da773 |
completed | April 19, 2026, 4:26 p.m. |
Created at: April 10, 2026, 10:36 a.m.