Triple

T7554142
Position Surface form Disambiguated ID Type / Status
Subject Belgrade–Bar railway E178613 entity
Predicate infrastructureManagerInSerbia P15572 FINISHED
Object Serbian Railways Infrastructure
Serbian Railways Infrastructure is the state-owned company responsible for managing and maintaining Serbia’s national railway infrastructure network.
E672374 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: Serbian Railways Infrastructure | Statement: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Serbian Railways Infrastructure
Context triple: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
  • A. Belgrade suburban railway (BG Voz)
    Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
  • B. Croatian Railways
    Croatian Railways is Croatia’s national state-owned railway company responsible for operating passenger and freight rail services across the country.
  • C. HŽ Infrastruktura
    HŽ Infrastruktura is the Croatian state-owned company responsible for managing and maintaining the country’s railway infrastructure network.
  • D. Belgrade–Bar railway
    The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
  • E. Belgrade–Zagreb railway corridor
    The Belgrade–Zagreb railway corridor is a major international rail line connecting the capitals of Serbia and Croatia as part of the broader pan-European transport network.
  • 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: Serbian Railways Infrastructure
Triple: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
Generated description
Serbian Railways Infrastructure is the state-owned company responsible for managing and maintaining Serbia’s national railway infrastructure network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Serbian Railways Infrastructure
Target entity description: Serbian Railways Infrastructure is the state-owned company responsible for managing and maintaining Serbia’s national railway infrastructure network.
  • A. Belgrade suburban railway (BG Voz)
    Belgrade suburban railway (BG Voz) is an urban rail system serving Belgrade and its surrounding municipalities, providing frequent commuter connections across the metropolitan area.
  • B. Croatian Railways
    Croatian Railways is Croatia’s national state-owned railway company responsible for operating passenger and freight rail services across the country.
  • C. HŽ Infrastruktura
    HŽ Infrastruktura is the Croatian state-owned company responsible for managing and maintaining the country’s railway infrastructure network.
  • D. Belgrade–Bar railway
    The Belgrade–Bar railway is a major international rail line connecting Serbia’s capital Belgrade with the Montenegrin Adriatic port of Bar, renowned for its mountainous route and numerous bridges and tunnels.
  • E. Belgrade–Zagreb railway corridor
    The Belgrade–Zagreb railway corridor is a major international rail line connecting the capitals of Serbia and Croatia as part of the broader pan-European transport network.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: infrastructureManagerInSerbia
Context triple: [Belgrade–Bar railway, infrastructureManagerInSerbia, Serbian Railways Infrastructure]
  • A. infrastructureManager chosen
    Indicates a relationship where one entity is responsible for overseeing, maintaining, or administering the infrastructure of another entity or system.
  • B. isPartOfInfrastructure
    Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
  • C. parallelInfrastructure
    Indicates that two or more infrastructure elements are arranged or operate in parallel to each other, typically serving similar functions simultaneously.
  • D. infrastructureLevel
    Indicates the degree or quality of infrastructure present or provided in relation to an entity or location.
  • E. operatorOfTransportInfrastructure
    Indicates that an entity operates, manages, or runs a specific piece of transport infrastructure.
  • 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_69c69f2da22c8190a50942ac20af70e8 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f8b990148190b26a3a262cf538b3 completed March 27, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69c84f3602008190aa91cf55e43bdf30 completed March 28, 2026, 9:59 p.m.
NEDg Description generation batch_69c85432ff8c81909f5ec837fd1f6743 completed March 28, 2026, 10:20 p.m.
NED2 Entity disambiguation (via description) batch_69c854bbb9c08190bc151cdcef74ee54 completed March 28, 2026, 10:22 p.m.
PD Predicate disambiguation batch_69c6f4daad6c8190af2b8ae88d2c8cb7 completed March 27, 2026, 9:21 p.m.
Created at: March 27, 2026, 3:49 p.m.