Triple
T1239401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lausanne |
E26623
|
entity |
| Predicate | isOnRailLine |
P848
|
FINISHED |
| Object | Lausanne–Geneva railway line |
E21771
|
NE FINISHED |
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: Lausanne–Geneva railway line | Statement: [Lausanne, isOnRailLine, Lausanne–Geneva railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lausanne–Geneva railway line Context triple: [Lausanne, isOnRailLine, Lausanne–Geneva railway line]
-
A.
Lausanne–Geneva railway line
chosen
The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.
-
B.
Geneva–Lyon railway
The Geneva–Lyon railway is an international rail line linking the Swiss city of Geneva with Lyon in France, serving as a key passenger and freight corridor between the two countries.
-
C.
Paris–Lausanne railway
The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
-
D.
Bern–Neuchâtel railway line
The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
-
E.
Lausanne–Bern railway line
The Lausanne–Bern railway line is a major Swiss rail corridor connecting the cities of Lausanne and Bern, forming part of the country’s primary east–west transit route.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isOnRailLine Context triple: [Lausanne, isOnRailLine, Lausanne–Geneva railway line]
-
A.
railwayLine
chosen
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
B.
hasRailwayZone
Indicates that a location or railway entity falls under the jurisdiction or coverage area of a specific railway zone.
-
C.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
D.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
-
E.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
- F. None of above.
Provenance (4 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_69a4948689d08190b3a4a3f388c02148 |
completed | March 1, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69a4bf41c5d08190b07adbdb24d35a76 |
completed | March 1, 2026, 10:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbf1a58248190a270ae5baa18d0d6 |
completed | March 8, 2026, 12:13 a.m. |
| PD | Predicate disambiguation | batch_69a4bb67d52c8190815d6356b79d6ed5 |
completed | March 1, 2026, 10:19 p.m. |
Created at: March 1, 2026, 7:47 p.m.