Triple
T18367795
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kalavryta |
E440094
|
entity |
| Predicate | hasRailway |
P848
|
FINISHED |
| Object | Odontotos rack railway |
—
|
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: Odontotos rack railway | Statement: [Kalavryta, hasRailway, Odontotos rack railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Odontotos rack railway Context triple: [Kalavryta, hasRailway, Odontotos rack railway]
-
A.
Odontotos rack railway
chosen
The Odontotos rack railway is a historic narrow-gauge cog railway in Greece, renowned for its scenic route through the Vouraikos Gorge between Diakopto and Kalavryta.
-
B.
Rorschach–Heiden rack railway
The Rorschach–Heiden rack railway is a Swiss mountain railway line that climbs steeply from the lakeside town of Rorschach to the higher-altitude village of Heiden using a rack-and-pinion system.
-
C.
Taunus Railway
The Taunus Railway is a historic German railway line in the Taunus region that connects Frankfurt with surrounding towns and serves as an important commuter and regional transport route.
-
D.
Murgtal Railway
The Murgtal Railway is a scenic railway line in southwestern Germany that runs through the Murg Valley in the Black Forest, linking towns such as Rastatt with the surrounding region.
-
E.
Furka Cogwheel Steam Railway
The Furka Cogwheel Steam Railway is a historic Swiss mountain railway operated with vintage steam locomotives, offering scenic journeys over the Furka Pass between Realp and Oberwald.
- 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_69d8b918221c8190a9f7b563d64ac677 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e5174f5f448190a1fc67d3039aadd9 |
completed | April 19, 2026, 5:56 p.m. |
Created at: April 10, 2026, 10:38 a.m.