Triple
T16029289
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Helsinki Central railway station |
E388801
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Helsinki–Lahti railway |
E520639
|
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: Helsinki–Lahti railway | Statement: [Helsinki Central railway station, railwayLine, Helsinki–Lahti railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Helsinki–Lahti railway Context triple: [Helsinki Central railway station, railwayLine, Helsinki–Lahti railway]
-
A.
Helsinki–Tampere railway
The Helsinki–Tampere railway is a major Finnish rail line connecting the capital Helsinki with the city of Tampere, serving as one of the country’s busiest passenger and freight corridors.
-
B.
Helsinki–Turku railway
The Helsinki–Turku railway is a major Finnish rail line connecting the capital Helsinki with the southwestern city of Turku, serving as one of the country’s primary passenger and freight corridors.
-
C.
Helsinki–Riihimäki railway
The Helsinki–Riihimäki railway is a major Finnish rail line forming part of the main route north from Helsinki, serving numerous commuter and long-distance trains.
-
D.
Helsinki–Lahti line
chosen
The Helsinki–Lahti line is a major Finnish railway route that serves as the country’s primary high-speed corridor between the capital region and eastern Finland.
-
E.
Tampere–Seinäjoki railway line
The Tampere–Seinäjoki railway line is a major rail route in western Finland that connects the city of Tampere with Seinäjoki, serving both passenger and freight traffic.
- 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_69d86dada3808190825d5f80d72fbe88 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1832a56ec8190a47fd2cf83a42fd4 |
completed | April 17, 2026, 12:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffeb867ae88190945af88247d4c80b |
completed | May 10, 2026, 2:20 a.m. |
Created at: April 10, 2026, 4:56 a.m.