Triple

T20239514
Position Surface form Disambiguated ID Type / Status
Subject Lake Päijänne E498243 entity
Predicate connectedBy P37 FINISHED
Object Päijänne Water Tunnel
The Päijänne Water Tunnel is one of the world’s longest continuous rock tunnels, built to supply high-quality freshwater from central Finland to the Helsinki metropolitan area.
E1419539 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: Päijänne Water Tunnel | Statement: [Lake Päijänne, connectedBy, Päijänne Water Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Päijänne Water Tunnel
Context triple: [Lake Päijänne, connectedBy, Päijänne Water Tunnel]
  • A. Hvaler Tunnel
    Hvaler Tunnel is an undersea road tunnel in Norway that connects the Hvaler archipelago to the mainland.
  • B. Vallavik Tunnel
    Vallavik Tunnel is a road tunnel in western Norway that forms part of the regional highway network connecting to the Hardanger Bridge.
  • C. Eiksund Tunnel
    The Eiksund Tunnel is a deep undersea road tunnel in western Norway that links islands in Møre og Romsdal county to the mainland as part of the regional highway network.
  • D. Maastunnel
    Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
  • E. Gudvanga Tunnel
    Gudvanga Tunnel is a major road tunnel in western Norway, known as one of the country's longest tunnels and a key part of the E16 route through the fjord region.
  • 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: Päijänne Water Tunnel
Triple: [Lake Päijänne, connectedBy, Päijänne Water Tunnel]
Generated description
The Päijänne Water Tunnel is one of the world’s longest continuous rock tunnels, built to supply high-quality freshwater from central Finland to the Helsinki metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Päijänne Water Tunnel
Target entity description: The Päijänne Water Tunnel is one of the world’s longest continuous rock tunnels, built to supply high-quality freshwater from central Finland to the Helsinki metropolitan area.
  • A. Hvaler Tunnel
    Hvaler Tunnel is an undersea road tunnel in Norway that connects the Hvaler archipelago to the mainland.
  • B. Vallavik Tunnel
    Vallavik Tunnel is a road tunnel in western Norway that forms part of the regional highway network connecting to the Hardanger Bridge.
  • C. Eiksund Tunnel
    The Eiksund Tunnel is a deep undersea road tunnel in western Norway that links islands in Møre og Romsdal county to the mainland as part of the regional highway network.
  • D. Kuutinkanava canal
    Kuutinkanava canal is a historic waterway and popular hiking destination within Finland’s Repovesi National Park, known for its scenic forest surroundings and well-preserved canal structures.
  • E. Maastunnel
    Maastunnel is a historic traffic tunnel in Rotterdam, the Netherlands, carrying road, bicycle, and pedestrian traffic beneath the Nieuwe Maas river.
  • 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_69da6274c58c81909c646eabed6f4f30 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6716dd0b081909d4063150cdc0c02 completed April 20, 2026, 6:33 p.m.
NED1 Entity disambiguation (via context triple) batch_6a084b943cd081908adc2023e684d951 completed May 16, 2026, 10:48 a.m.
NEDg Description generation batch_6a084c3423188190b2c29ede28115174 completed May 16, 2026, 10:51 a.m.
NED2 Entity disambiguation (via description) batch_6a084d0ac2f881909be142d6b30cc9ec completed May 16, 2026, 10:55 a.m.
Created at: April 11, 2026, 11:40 p.m.