Triple

T19778955
Position Surface form Disambiguated ID Type / Status
Subject Tampere Central Station E475081 entity
Predicate railwayLine P848 FINISHED
Object Tampere–Pori railway
The Tampere–Pori railway is a Finnish rail line connecting the inland city of Tampere with the coastal city and port of Pori, serving both passenger and freight traffic in western Finland.
E1398488 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: Tampere–Pori railway | Statement: [Tampere Central Station, railwayLine, Tampere–Pori railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tampere–Pori railway
Context triple: [Tampere Central Station, railwayLine, Tampere–Pori railway]
  • A. Tampere–Jyväskylä railway
    The Tampere–Jyväskylä railway is a key Finnish rail line connecting the major inland cities of Tampere and Jyväskylä, serving both passenger and freight traffic through central Finland.
  • 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. Riihimäki–Tampere railway
    The Riihimäki–Tampere railway is a major rail line in southern Finland that forms part of the main route between Helsinki and the city of Tampere, serving both passenger and freight traffic.
  • D. 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.
  • E. 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.
  • 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: Tampere–Pori railway
Triple: [Tampere Central Station, railwayLine, Tampere–Pori railway]
Generated description
The Tampere–Pori railway is a Finnish rail line connecting the inland city of Tampere with the coastal city and port of Pori, serving both passenger and freight traffic in western Finland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tampere–Pori railway
Target entity description: The Tampere–Pori railway is a Finnish rail line connecting the inland city of Tampere with the coastal city and port of Pori, serving both passenger and freight traffic in western Finland.
  • A. Tampere–Jyväskylä railway
    The Tampere–Jyväskylä railway is a key Finnish rail line connecting the major inland cities of Tampere and Jyväskylä, serving both passenger and freight traffic through central Finland.
  • 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. Riihimäki–Tampere railway
    The Riihimäki–Tampere railway is a major rail line in southern Finland that forms part of the main route between Helsinki and the city of Tampere, serving both passenger and freight traffic.
  • D. 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.
  • E. 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.
  • 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_69d8e51a43a08190956bc6df13c91a77 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6538230488190b45cd8aaec658f7f completed April 20, 2026, 4:25 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07d42c1a0481909a505a37aa92ad5e completed May 16, 2026, 2:19 a.m.
NEDg Description generation batch_6a07d4e943b081909f98c72683d62e62 completed May 16, 2026, 2:22 a.m.
NED2 Entity disambiguation (via description) batch_6a07d5bc8e748190a4f97e6b23e56edd completed May 16, 2026, 2:26 a.m.
Created at: April 10, 2026, 1:49 p.m.