Triple

T16029285
Position Surface form Disambiguated ID Type / Status
Subject Helsinki Central railway station E388801 entity
Predicate railwayLine P848 FINISHED
Object Coastal Railway (Finland)
Coastal Railway (Finland) is a major Finnish rail line running along the country’s southern coast, connecting Helsinki with key western cities such as Turku.
 E1188831 NE FINISHED

How this triple was built (4 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: Coastal Railway (Finland) | Statement: [Helsinki Central railway station, railwayLine, Coastal Railway (Finland)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coastal Railway (Finland)
Context triple: [Helsinki Central railway station, railwayLine, Coastal Railway (Finland)]
  • A. 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.
  • B. 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.
  • C. Oulu–Seinäjoki railway
    The Oulu–Seinäjoki railway is a major rail line in western Finland that connects the northern city of Oulu with Seinäjoki, serving as an important route for both passenger and freight traffic.
  • D. Jyväskylä–Äänekoski railway
    The Jyväskylä–Äänekoski railway is a Finnish rail line connecting the city of Jyväskylä with the town of Äänekoski, serving both passenger and freight traffic in Central Finland.
  • E. Haapamäki–Jyväskylä railway
    The Haapamäki–Jyväskylä railway is a Finnish rail line in Central Finland that connects the town of Haapamäki with the city of Jyväskylä, serving both passenger and freight traffic.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Coastal Railway (Finland)
Triple: [Helsinki Central railway station, railwayLine, Coastal Railway (Finland)]
Generated description
Coastal Railway (Finland) is a major Finnish rail line running along the country’s southern coast, connecting Helsinki with key western cities such as Turku.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Coastal Railway (Finland)
Target entity description: Coastal Railway (Finland) is a major Finnish rail line running along the country’s southern coast, connecting Helsinki with key western cities such as Turku.
  • A. 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.
  • B. 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.
  • C. Oulu–Seinäjoki railway
    The Oulu–Seinäjoki railway is a major rail line in western Finland that connects the northern city of Oulu with Seinäjoki, serving as an important route for both passenger and freight traffic.
  • D. Jyväskylä–Äänekoski railway
    The Jyväskylä–Äänekoski railway is a Finnish rail line connecting the city of Jyväskylä with the town of Äänekoski, serving both passenger and freight traffic in Central Finland.
  • E. Haapamäki–Jyväskylä railway
    The Haapamäki–Jyväskylä railway is a Finnish rail line in Central Finland that connects the town of Haapamäki with the city of Jyväskylä, serving both passenger and freight traffic.
  • F. None of above. chosen

Provenance (5 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_69ffcf35ae808190aeb154a273c32a70 completed May 10, 2026, 12:20 a.m.
NEDg Description generation batch_69ffd0384804819080f63b86d5114950 completed May 10, 2026, 12:24 a.m.
NED2 Entity disambiguation (via description) batch_69ffd09e128c819081e92a479a4a24f9 completed May 10, 2026, 12:26 a.m.
Created at: April 10, 2026, 4:56 a.m.