Triple
T15719261
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Uetliberg railway bridges |
E381045
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Uetlibergbahn |
E542976
|
NE FINISHED |
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: Uetlibergbahn | Statement: [Uetliberg railway bridges, railwayLine, Uetlibergbahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Uetlibergbahn Context triple: [Uetliberg railway bridges, railwayLine, Uetlibergbahn]
-
A.
Sihltal Zürich Uetliberg Bahn
chosen
Sihltal Zürich Uetliberg Bahn is a Swiss railway company that operates regional and suburban rail services, including the well-known Uetliberg mountain line in the Zürich area.
-
B.
Uetliberg railway line
The Uetliberg railway line is a Swiss suburban and mountain railway route that connects central Zurich with the summit of Uetliberg, offering both commuter service and scenic access to the popular local mountain.
-
C.
Bern S-Bahn
The Bern S-Bahn is a regional commuter rail network serving the city of Bern and its surrounding areas in Switzerland, providing frequent connections between the capital and neighboring towns.
-
D.
Dolderbahn rack railway
The Dolderbahn rack railway is a steep, narrow-gauge line in Zürich that carries passengers from the city up to the Dolder recreational area and hotel complex in the hills above.
-
E.
Bernese Oberland Railway
The Bernese Oberland Railway is a Swiss mountain railway that connects the town of Interlaken with popular alpine destinations such as Grindelwald and Lauterbrunnen in the Bernese Oberland region.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d86d9bf930819082b30cf6d169297c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e04f932a248190b65ecfb2bc56e715 |
completed | April 16, 2026, 2:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff9090e25481909f142b54ac4802f8 |
completed | May 9, 2026, 7:52 p.m. |
Created at: April 10, 2026, 4:45 a.m.