Triple
T21832768
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Basel S-Bahn |
E539039
|
entity |
| Predicate | hasOperator |
P179
|
FINISHED |
| Object | Regionalverkehr Mittelland (historical) |
—
|
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: Regionalverkehr Mittelland (historical) | Statement: [Basel S-Bahn, hasOperator, Regionalverkehr Mittelland (historical)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Regionalverkehr Mittelland (historical) Context triple: [Basel S-Bahn, hasOperator, Regionalverkehr Mittelland (historical)]
-
A.
Regionalverkehr Mittelland AG
chosen
Regionalverkehr Mittelland AG was a Swiss regional railway company that operated passenger services in the Mittelland area before being merged into BLS AG.
-
B.
Regionalbahn
Regionalbahn is a category of German regional train service that provides relatively frequent, short- to medium-distance connections between local towns and cities.
-
C.
Deutsche Bahn regional network
The Deutsche Bahn regional network is Germany’s system of regional and local passenger rail services operated by the national railway company, connecting smaller towns and cities across the country.
-
D.
Vy regional trains
Vy regional trains are Norway’s intercity and regional passenger rail services operated by Vy, connecting major cities and towns across the country, including direct links to Oslo Airport Gardermoen.
-
E.
InterRegio trains
InterRegio trains are medium- to long-distance passenger services in Switzerland that connect major cities and regions with relatively few stops and regular-interval timetables.
- 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_69e0c475cda88190987d08f23caebdc1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0a7a4d2d0819088ded045caeab52d |
completed | April 28, 2026, 12:27 p.m. |
Created at: April 16, 2026, 6:55 p.m.