Triple
T21129277
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Helsinki–Lahti line |
E520639
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Lahti railway station |
—
|
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: Lahti railway station | Statement: [Helsinki–Lahti line, hasStation, Lahti railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lahti railway station Context triple: [Helsinki–Lahti line, hasStation, Lahti railway station]
-
A.
Lahti railway station
chosen
Lahti railway station is a major rail hub in the city of Lahti, Finland, serving as an important stop for both long-distance and commuter trains.
-
B.
Imatra railway station
Imatra railway station is a passenger rail station in the town of Imatra in southeastern Finland, serving as a regional transport hub on the Finnish railway network.
-
C.
Kerava railway station
Kerava railway station is a key commuter and intercity rail hub in the city of Kerava, Finland, connecting local and long-distance services on the main line north of Helsinki.
-
D.
Lappeenranta railway station
Lappeenranta railway station is the main passenger rail hub serving the city of Lappeenranta in southeastern Finland, providing regional and long-distance train connections.
-
E.
Ruoholahti station
Ruoholahti station is an underground Helsinki Metro station serving the Ruoholahti district as a key western terminus and transport hub in the city’s metro network.
- 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_69e0b50b53048190ae34e8abbe3c5ada |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e7223b4c4c8190b9fffa610588651e |
completed | April 21, 2026, 7:07 a.m. |
Created at: April 16, 2026, 2:56 p.m.