Triple

T15879429
Position Surface form Disambiguated ID Type / Status
Subject Lempäälä E385034 entity
Predicate hasRailway P848 FINISHED
Object Tampere–Toijala railway line
The Tampere–Toijala railway line is a key rail connection in southern Finland linking the major city of Tampere with the junction town of Toijala and forming part of the country’s main north–south rail corridor.
 E1181906 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–Toijala railway line | Statement: [Lempäälä, hasRailway, Tampere–Toijala railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tampere–Toijala railway line
Context triple: [Lempäälä, hasRailway, Tampere–Toijala railway line]
  • A. 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.
  • B. 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.
  • 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–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.
  • 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: Tampere–Toijala railway line
Triple: [Lempäälä, hasRailway, Tampere–Toijala railway line]
Generated description
The Tampere–Toijala railway line is a key rail connection in southern Finland linking the major city of Tampere with the junction town of Toijala and forming part of the country’s main north–south rail corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tampere–Toijala railway line
Target entity description: The Tampere–Toijala railway line is a key rail connection in southern Finland linking the major city of Tampere with the junction town of Toijala and forming part of the country’s main north–south rail corridor.
  • A. 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.
  • B. 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.
  • 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–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.
  • 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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e15600863c8190a2dbfd6d7ff495d7 completed April 16, 2026, 9:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa9529ac48190993d1af234faea3b completed May 9, 2026, 9:38 p.m.
NEDg Description generation batch_69ffa9e9b17c8190b98d930fd5cb0723 completed May 9, 2026, 9:40 p.m.
NED2 Entity disambiguation (via description) batch_69ffaa973274819080889e1b9883b8dc completed May 9, 2026, 9:43 p.m.
Created at: April 10, 2026, 4:51 a.m.