Triple
T17243494
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | M300 series trains |
E418560
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object | Helsinki Metro extension to Espoo |
E87880
|
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 Metro extension to Espoo | Statement: [M300 series trains, usedOn, Helsinki Metro extension to Espoo]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Helsinki Metro extension to Espoo Context triple: [M300 series trains, usedOn, Helsinki Metro extension to Espoo]
-
A.
Helsinki Metro
chosen
The Helsinki Metro is the rapid transit system serving Finland’s capital region, known as the world’s northernmost metro network and a key part of the city’s public transportation.
-
B.
Helsinki commuter rail
Helsinki commuter rail is a suburban rail network serving the Greater Helsinki area in Finland, connecting the city with its surrounding municipalities through frequent, high-capacity train services.
-
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–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.
-
E.
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.
- 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_69d886d8e96081909870bff6c3d0bf09 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e42e21bb5c8190ad960f231fe54665 |
completed | April 19, 2026, 1:21 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0170f388608190b709b1c228a7ba29 |
completed | May 11, 2026, 6:02 a.m. |
Created at: April 10, 2026, 5:39 a.m.