Triple
T21903541
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | EPFL main campus in Ecublens-Lausanne |
E540870
|
entity |
| Predicate | hasTransportConnection |
P845
|
FINISHED |
| Object | Lausanne Metro line M1 |
—
|
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: Lausanne Metro line M1 | Statement: [EPFL main campus in Ecublens-Lausanne, hasTransportConnection, Lausanne Metro line M1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lausanne Metro line M1 Context triple: [EPFL main campus in Ecublens-Lausanne, hasTransportConnection, Lausanne Metro line M1]
-
A.
Lausanne Métro
chosen
Lausanne Métro is the urban rapid transit system serving the city of Lausanne, Switzerland, notable for being one of the few fully automated metro networks in the country.
-
B.
Lausanne suburban rail network
The Lausanne suburban rail network is a regional commuter rail system serving Lausanne and its surrounding metropolitan area, connecting key suburbs and nearby cities with frequent, high-capacity train services.
-
C.
Lausanne–Ouchy railway
The Lausanne–Ouchy railway was a historic funicular-turned-rack railway in Lausanne, Switzerland, that connected the city center with the lakeside district of Ouchy before being replaced by the modern metro system.
-
D.
Geneva tram network
The Geneva tram network is an urban light rail system serving the city of Geneva and its suburbs, forming a key component of the region’s public transportation infrastructure.
-
E.
Geneva–Aéroport railway line
The Geneva–Aéroport railway line is a short Swiss rail link connecting central Geneva’s main station to Geneva International Airport, providing frequent regional and long-distance train services for air travelers and commuters.
- 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_69e0c47b4e8c81908c8076eaa4c8e4f2 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f121d3c23081908c30c3a617002389 |
completed | April 28, 2026, 9:08 p.m. |
Created at: April 16, 2026, 7:25 p.m.