Triple
T17591274
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Zentralbahn |
E428452
|
entity |
| Predicate | operatesService |
P5884
|
FINISHED |
| Object | Luzern–Engelberg Express |
—
|
NE NERFINISHED |
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: Luzern–Engelberg Express | Statement: [Zentralbahn, operatesService, Luzern–Engelberg Express]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Luzern–Engelberg Express Context triple: [Zentralbahn, operatesService, Luzern–Engelberg Express]
-
A.
InterRegio Luzern–Interlaken Ost
InterRegio Luzern–Interlaken Ost is a Swiss inter-regional train service connecting the city of Lucerne with the resort town of Interlaken Ost through the scenic Brünig railway line.
-
B.
Zug–Zurich line
The Zug–Zurich line is a key Swiss railway route connecting the city of Zug with Zurich, serving as an important commuter and regional transport corridor in the canton of Zug and the greater Zurich area.
-
C.
S-Bahn Luzern
S-Bahn Luzern is the suburban rail network serving the Lucerne region in Switzerland, providing frequent regional connections between the city and its surrounding areas.
-
D.
Bern–Olten line
The Bern–Olten line is a major Swiss railway corridor connecting the capital Bern with the important rail hub of Olten, forming part of the country’s primary east–west transit axis.
-
E.
Engadin line
The Engadin line is a scenic metre-gauge railway route in Switzerland’s canton of Graubünden that runs through the Engadin valley as part of the Rhaetian Railway network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Luzern–Engelberg Express Target entity description: The Luzern–Engelberg Express is a scenic Swiss railway service connecting Lucerne with the mountain resort of Engelberg, popular for its panoramic views and access to alpine tourism.
-
A.
InterRegio Luzern–Interlaken Ost
InterRegio Luzern–Interlaken Ost is a Swiss inter-regional train service connecting the city of Lucerne with the resort town of Interlaken Ost through the scenic Brünig railway line.
-
B.
Zug–Zurich line
The Zug–Zurich line is a key Swiss railway route connecting the city of Zug with Zurich, serving as an important commuter and regional transport corridor in the canton of Zug and the greater Zurich area.
-
C.
S-Bahn Luzern
S-Bahn Luzern is the suburban rail network serving the Lucerne region in Switzerland, providing frequent regional connections between the city and its surrounding areas.
-
D.
Bern–Olten line
The Bern–Olten line is a major Swiss railway corridor connecting the capital Bern with the important rail hub of Olten, forming part of the country’s primary east–west transit axis.
-
E.
Engadin line
The Engadin line is a scenic metre-gauge railway route in Switzerland’s canton of Graubünden that runs through the Engadin valley as part of the Rhaetian Railway network.
- F. None of above. chosen
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_69d889e1030481909950e140c63255b9 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e469e6e3888190b73a5b6d7e8c0a55 |
completed | April 19, 2026, 5:36 a.m. |
Created at: April 10, 2026, 5:51 a.m.