Triple

T9182658
Position Surface form Disambiguated ID Type / Status
Subject Lolland E220370 entity
Predicate plannedInfrastructure P79013 FINISHED
Object Fehmarnbelt Tunnel
The Fehmarnbelt Tunnel is a planned immersed road and rail tunnel that will create a fixed link between Denmark and Germany across the Fehmarn Belt in the Baltic Sea.
E783022 NE FINISHED

How this triple was built (5 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: Fehmarnbelt Tunnel | Statement: [Lolland, plannedInfrastructure, Fehmarnbelt Tunnel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Fehmarnbelt Tunnel
Context triple: [Lolland, plannedInfrastructure, Fehmarnbelt Tunnel]
  • A. Great Belt Tunnel
    The Great Belt Tunnel is an undersea railway tunnel in Denmark that, together with the Great Belt Bridge, forms part of the fixed link connecting the islands of Zealand and Funen across the Great Belt strait.
  • B. Øresund Line
    The Øresund Line is an international railway route connecting Copenhagen in Denmark with Malmö in Sweden, forming a key part of the fixed link across the Øresund Strait.
  • C. Øresund Bridge
    The Øresund Bridge is a combined road and rail bridge–tunnel linking Denmark and Sweden across the Øresund strait, serving as a major transport corridor between Copenhagen and Malmö.
  • D. Öland Bridge
    Öland Bridge is a long road bridge in Sweden that spans the Kalmar Strait, linking the island of Öland with the mainland near the city of Kalmar.
  • E. Elbe Tunnel (Hamburg)
    The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
  • 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: Fehmarnbelt Tunnel
Triple: [Lolland, plannedInfrastructure, Fehmarnbelt Tunnel]
Generated description
The Fehmarnbelt Tunnel is a planned immersed road and rail tunnel that will create a fixed link between Denmark and Germany across the Fehmarn Belt in the Baltic Sea.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Fehmarnbelt Tunnel
Target entity description: The Fehmarnbelt Tunnel is a planned immersed road and rail tunnel that will create a fixed link between Denmark and Germany across the Fehmarn Belt in the Baltic Sea.
  • A. Great Belt Tunnel
    The Great Belt Tunnel is an undersea railway tunnel in Denmark that, together with the Great Belt Bridge, forms part of the fixed link connecting the islands of Zealand and Funen across the Great Belt strait.
  • B. Øresund Line
    The Øresund Line is an international railway route connecting Copenhagen in Denmark with Malmö in Sweden, forming a key part of the fixed link across the Øresund Strait.
  • C. Øresund Bridge
    The Øresund Bridge is a combined road and rail bridge–tunnel linking Denmark and Sweden across the Øresund strait, serving as a major transport corridor between Copenhagen and Malmö.
  • D. Öland Bridge
    Öland Bridge is a long road bridge in Sweden that spans the Kalmar Strait, linking the island of Öland with the mainland near the city of Kalmar.
  • E. Elbe Tunnel (Hamburg)
    The Elbe Tunnel in Hamburg is a major underwater road tunnel beneath the River Elbe that forms a key traffic artery connecting the northern and southern parts of the city.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: plannedInfrastructure
Context triple: [Lolland, plannedInfrastructure, Fehmarnbelt Tunnel]
  • A. proposedInfrastructure chosen
    Indicates that an infrastructure project or facility has been suggested or planned but not yet approved, built, or implemented between the related entities.
  • B. plannedFacility
    Indicates that a facility is intended or scheduled to be built, established, or implemented in the future but does not yet exist or operate.
  • C. permanentInfrastructure
    Indicates that the relationship involves infrastructure that is intended to be long-lasting, fixed in place, and not temporary or easily removable.
  • D. plannedDevelopment
    Indicates that one entity has been designated or scheduled for future development or construction by another entity.
  • E. isPartOfInfrastructure
    Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
  • F. None of above.

Provenance (6 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_69ca83e589948190ac9907819db11ddf completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69ccc2553e548190898434aeda517407 completed April 1, 2026, 6:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69d05c1474a08190aa3e3e90326a20d1 completed April 4, 2026, 12:32 a.m.
NEDg Description generation batch_69d05ca2a3f881909ed9193560b5b0cd completed April 4, 2026, 12:34 a.m.
NED2 Entity disambiguation (via description) batch_69d05d4191f8819083c0ae2a68059c93 completed April 4, 2026, 12:37 a.m.
PD Predicate disambiguation batch_69cc66090e5881908889dc1213815626 completed April 1, 2026, 12:25 a.m.
Created at: March 30, 2026, 7:23 p.m.