Triple

T21200536
Position Surface form Disambiguated ID Type / Status
Subject Finnish State Railways E522441 entity
Predicate operatedRoute P18593 FINISHED
Object Helsinki–Lahti railway line — 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: Helsinki–Lahti railway line | Statement: [Finnish State Railways, operatedRoute, Helsinki–Lahti railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Helsinki–Lahti railway line
Context triple: [Finnish State Railways, operatedRoute, Helsinki–Lahti railway line]
  • 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. 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.
  • C. 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.
  • 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–Karjaa railway
    The Helsinki–Karjaa railway is a key rail line in southern Finland that connects the capital city Helsinki with the town of Karjaa, serving both commuter and regional traffic.
  • 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_69e0b5112d8881909510b2dcdc93106d completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e73430c5a08190aeb6a62eec0f43a3 completed April 21, 2026, 8:24 a.m.
Created at: April 16, 2026, 3:18 p.m.